# Sequoia Medical 360

> Protecting Your Physiological Capital. So you can live stronger, live longer, and live with purpose.


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## Pages

- [Sequoia Medical 360 — At A Glance](https://sqmed360.com/sqmed360-glance/): The Executive Summary A defining overview of the Family Health Office model. The Thesis The Family Health Office → Managing your family’s most important asset with the same rigor, strategy, and continuity as your wealth. Many Systems — Only One You Your health is the sum of many layers—internal (metabolic, hormonal), external (environment, lifestyle), and social (relationships, history). We connect the patterns across every system to build a single, coherent picture of your future. The Promise We stop the drift. Instead of waiting for a diagnosis, we actively manage your physiological trajectory to help you live stronger, live longer, and […]
- [Frequently Asked Questions](https://sqmed360.com/about/faq/): Frequently Asked Questions Clarity on the financial and operational structure of the partnership.If you can’t find an answer here, please call us at (914) 292-0300 or email info@sqmed360.com Common Questions — At a Glance The Hybrid Financial Model We believe in transparency and efficiency. Your membership fee covers the strategic gap—the unhurried time, data synthesis, and care coordination that insurance does not value. However, we remain pragmatic: we utilize your insurance for eligible labs, imaging, and external referrals to ensure your capital is deployed efficiently. Direct, Not Distracted Members have a direct line to Dr. Mathews via cell, text, and […]
- [Cardiopulmonary Fitness](https://sqmed360.com/longevity-medicine/cardiopulmonary-fitness/): Cardiopulmonary Fitness:Sequoia Medical 360 Cardiopulmonary Fitness at Sequoia Medical 360 Longevity Medicine in Bronxville, Serving Westchester & All of New York Few predictors of survival are as powerful as cardiorespiratory fitness (CRF). Research consistently shows that individuals in the lowest 5% of CRF have up to a 500% higher risk of all-cause mortality compared to those in the top 5%. Put simply: improving your VO₂ max is one of the most effective life-extension strategies known in medicine.At Sequoia Medical 360, we elevate CRF to the status of a vital sign — one that can be measured, trained, and improved with […]
- [Sarcopenia (Muscle Loss)](https://sqmed360.com/longevity-medicine/sarcopenia/): Sarcopenia Prevention:Sequoia Medical 360 Sarcopenia (Age-Related Muscle Loss) at Sequoia Medical 360 Preserving Strength, Independence, and Metabolic Health in Westchester, NY Sarcopenia — the progressive loss of skeletal muscle mass and function — is one of the most overlooked drivers of aging. It doesn’t just affect mobility and strength; it also impacts metabolism, cardiovascular health, bone density, and even immune function. At Sequoia Medical 360, we treat muscle as a vital organ of longevity — working proactively to preserve and build lean mass so you can maintain energy, independence, and resilience across every stage of life. Why Sarcopenia Matters Muscle […]
- [Wellness Coaching](https://sqmed360.com/longevity-medicine/wellness-coaching/): Wellness Coaching:Sequoia Medical 360 Your Partner in Proactive Health, Resilience & Longevity in Bronxville, NY Longevity isn’t built through labs and prescriptions alone — it’s sustained day by day through the habits you practice, the recovery you allow, and the clarity you bring to your health decisions. At Sequoia Medical 360, our Wellness Coaching program bridges science with execution — turning advanced diagnostics into real-world results. We act as your health consultant, strategist, and an extra set of eyes — ensuring nothing slips through the cracks. From daily optimization to navigating the broader healthcare system, we provide accountability, clarity, and […]
- [Hormonal Optimization](https://sqmed360.com/longevity-medicine/hormonal-optimization/): Hormonal Optimization:Sequoia Medical 360 Precision Endocrine Balance for Vitality, Performance & Longevity in Bronxville, NY Hormones are the body’s master regulators — influencing energy, mood, cognition, metabolism, muscle mass, bone strength, and even the pace of aging. Subtle imbalances can ripple across every system, leaving you fatigued, less resilient, and vulnerable to accelerated decline. At Sequoia Medical 360, hormonal health is not about chasing numbers — it’s about precision optimization. We evaluate the full endocrine network, identify hidden imbalances (including insulin resistance), and design personalized strategies that restore equilibrium, protect long-term health, and maximize day-to-day performance. Comprehensive Hormonal Evaluation Our […]
- [Advanced Diagnostics](https://sqmed360.com/longevity-medicine/advanced-diagnostics/): Advanced Diagnostics:Sequoia Medical 360 At Sequoia Medical 360, we integrate advanced diagnostics into a comprehensive, specialist-led framework that supports longevity, metabolic health, and preventive cardiovascular care. Under the direction of Dr. Tony Mathews — a dual fellowship–trained endocrinologist and preventive cardiologist — our program combines high-resolution imaging, 770 body composition analysis, VO₂ and fitness testing, continuous glucose monitoring, and extensive biomarker evaluation to identify cardiometabolic and endocrine risks at their earliest, most reversible stage. This data-driven, precision approach allows us to create personalized, evidence-based strategies for patients across Bronxville and Westchester, NY, helping them extend healthspan, enhance resilience, and stay […]
- [Proactive Screening](https://sqmed360.com/longevity-medicine/proactive-screening/): Preventive Screening:Sequoia Medical 360 Proactive Screening at Sequoia Medical 360 Longevity isn’t just about treatment — it’s about detection before disease ever takes hold. At Sequoia Medical 360, our Proactive Screening program is designed for individuals who want more than reassurance; they want clarity and certainty. By integrating state-of-the-art imaging, advanced cancer detection, and deep biomarker analysis, we uncover silent risks years before they would appear in conventional medical care. Why Early Detection Matters At Sequoia, we target the earliest warning signs — not just the disease endpoints. What’s Available in Proactive Screening 1. Advanced Cancer Detection 2. Cardiovascular Risk […]
- [Executive Fitness Plan](https://sqmed360.com/longevity-medicine/executive-fitness/): Executive Fitness Plan:Sequoia Medical 360 Physician-Directed Performance & Longevity Training in Bronxville, NY At Sequoia Medical 360, we recognize that physical fitness is not just about aesthetics — it is one of the strongest predictors of healthspan, resilience, and survival. Research shows that those in the lowest 5% of cardiorespiratory fitness face a 500% higher risk of all-cause mortality compared to those in the top 5%. Similarly, loss of muscle mass (sarcopenia) accelerates frailty, falls, and metabolic decline. That’s why we created the Executive Fitness Plan — a physician-directed, data-driven, and fully integrated program that transforms exercise into a precision […]
- [Executive Physicals](https://sqmed360.com/longevity-medicine/executive-physicals/): Executive Physicals:Sequoia Medical 360 The Most Comprehensive Health Evaluation in Westchester Most annual exams are brief, reactive, and focused only on today’s concerns. At Sequoia Medical 360, our Executive Physicals are built for individuals who want more from their health — a deep, proactive evaluation that uncovers hidden risks, optimizes performance, and establishes a precision baseline for long-term vitality. Led by Dr. Tony Mathews, a quadruple board-certified endocrinologist with dual fellowship training in Preventive Cardiology and Endocrinology/Metabolism, this full-day experience is a cornerstone of our longevity program. What Makes Our Executive Physical Different We combine cutting-edge diagnostics, advanced imaging, and […]
- [The Sequoia Standard](https://sqmed360.com/sequoia-standard/): The Sequoia Standard Specialist-Led, Relationship-Centered Longevity & Preventive Cardiometabolic Care A higher bar for modern preventive longevity, metabolic, endocrine, and cardiovascular health. Most healthcare models remain reactive, brief, and transactional — built around short visits or isolated evaluations. The Sequoia Standard reflects a different philosophy: a specialist-led, long-term partnership that brings clarity, continuity, and proactive guidance to your metabolic, endocrine, and cardiovascular health. This is care designed not only to identify risks early, but to help you live stronger, live longer, and live with purpose. The Sequoia Standard — At a Glance The Specialist Advantage We are not generalists. Care […]
- [The Ecosystem](https://sqmed360.com/about/ecosystem/): Many Systems. Only One You. Comprehensive Asset Management Requires a Unified Team. We have abolished the silos between medicine, movement, and nutrition The Ecosystem — At a Glance The Unified Front Fragmentation is the enemy of longevity. We have abolished the silos between medicine, movement, and nutrition. Your team communicates directly with one another, ensuring every expert is pulling in the same direction and eliminating the burden of you acting as the messenger. Integration as Policy We do not offer “complimentary perks”; we mandate Integrated Clinical Requirements. We absorb the cost of your initial strategy sessions because we cannot effectively […]
- [Reviews](https://sqmed360.com/about/reviews/): What Our Members Say Outcomes & Trust — At a Glance The Caliber of Partnership Our members include executives, entrepreneurs, and leaders who choose Sequoia because they require a medical strategy that matches the rigor of their professional lives. The Transformation Feedback consistently highlights metabolic improvement, clarity over complex health issues, and a renewed sense of control over long-term risk. The Human Connection The primary value is the time taken, the unhurried nature of the visits and the, and the genuine relationship built with a physician who is seen as a strategic partner Prefer a concise overview of the full […]
- [Start Enrollment | Specialist-Led Membership in Longevity, Endocrinology & Metabolic Health (Bronxville, NY)](https://sqmed360.com/join/): Begin Your Introduction to Sequoia Medical 360 Membership begins with a brief conversation to ensure the right physician–patient fit. Membership Retainer: $15,000 per year Billed $1,250/monthYour rate is locked in for 2 years Ready to Begin? Your onboarding starts through our secure enrollment portal. Enrollment is completed after speaking with Dr. Mathews.No commitment till your initial consult. Have Questions Before You Join?Call us (914) 292-0300 or share some details below I’d love to hear from you personally.Please share a few details, and I’ll personally reach out within one business day. Contact Information
- [Thank You](https://sqmed360.com/thankyou/): Inquiry Received Your Introduction is in Motion. We do not automate relationships. Your inquiry has been routed directly to Dr. Mathews and the membership team. What Happens Next 01. Personal Review We treat every inquiry with care. We review your request to understand your goals and ensure we can provide the level of partnership you are looking for. 02. Personal Outreach You will not receive a generic auto-responder. Within one business day, you will receive a personal email or call to answer your questions and, if appropriate, schedule your Fit Call. While You Wait Our model is different by design. […]
- [Longevity Medicine](https://sqmed360.com/longevity-medicine/): Longevity Medicine:Sequoia Medical 360 Extending Healthspan, Enhancing Performance in Bronxville & Westchester, NY At Sequoia Medical 360, we provide specialist-led, data-driven longevity and metabolic health care designed for individuals seeking proactive, preventive, and high-precision evaluation. Under the direction of Dr. Tony Mathews — a dual fellowship–trained endocrinologist and preventive cardiologist — our longevity program integrates muscle health assessment, advanced body composition analysis, VO₂ and fitness profiling, cardiometabolic biomarkers, continuous glucose monitoring, and individualized lifestyle and performance strategies. This comprehensive, physician-directed approach allows us to detect early dysfunction long before disease develops and to help patients across Bronxville and Westchester, NY […]
- [About](https://sqmed360.com/about/): The Philosophy The principles that guide how we care for you—today, tomorrow, and across the years. At Sequoia Medical 360, we practice a future-focused model of care rooted in depth, clarity, and long-term partnership. Your health deserves more than rushed visits and reactive medicine. It deserves thoughtful evaluation, expert interpretation, and a physician who knows you—not just your chart. Our philosophy is simple: When care is unhurried, deeply connected, and grounded in precision, people live stronger, longer, and with greater purpose. Our Philosophy — At a Glance How We Practice Depth, clarity, and continuity guide every decision. We prioritize long-term […]
- [Hint](https://sqmed360.com/hint/): Thank You — Your Membership Submission Has Been Received We’re honored you’ve invited us into yourhealth journey — and we look forward to connecting soon. If you have immediate questions, please email info@sqmed360.com or call (914) 292-0300.
- [The Journey](https://sqmed360.com/patient-journey/): Your Patient Journey Your experience at Sequoia is not a one-time evaluation or a binder of disconnected results. It is a structured, long-term partnership that begins with clarity, builds momentum through your first 90 days, and continues through a physician-led strategy tailored to your physiology, goals, and life. Here is what the full journey looks like at a glance. Your Patient Journey — At a Glance The Deep Discovery (90 Days) A structured, physician-guided initiation. We move from forensic data gathering to strategic synthesis, building a personalized roadmap rather than a one-time assessment. Your Ongoing Partnership Regular strategy sessions focused […]
- [Privacy Policy](https://sqmed360.com/privacy-policy/): Who we are Suggested text: Our website address is: https://hotpink-oryx-304981.hostingersite.com. Comments Suggested text: When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: https://automattic.com/privacy/. After approval of your comment, your profile picture is visible to the public in the context of your comment. Media Suggested […]
- [Infertility](https://sqmed360.com/vitality/infertility/): Fertility & Menstrual Disorders:Sequoia Medical 360 Precision Endocrinology & Reproductive Health in Westchester, NY Reproductive health is one of the most sensitive and impactful aspects of a woman’s overall well-being. Menstrual irregularities and fertility challenges are often signs of deeper hormonal and metabolic imbalances — not just isolated issues. At Sequoia Medical 360, we take a comprehensive, root-cause approach to help restore balance, improve fertility potential, and optimize long-term metabolic and cardiovascular health. Why Menstrual & Fertility Disorders Matter A regular menstrual cycle is more than a marker of reproductive health — it is a vital sign of overall endocrine […]
- [Menopause](https://sqmed360.com/vitality/menopause/): Menopause & Perimenopause Care:Sequoia Medical 360 Precision Hormone & Longevity Medicine for Women in Westchester, NY Menopause is a natural life transition — but for many women, it can feel anything but natural. Hot flashes, disrupted sleep, mood shifts, weight gain, and declining energy can take a toll on daily life and long-term health. At Sequoia Medical 360, we believe menopause should not mean a decline in vitality. With the right medical guidance, this chapter can be a powerful opportunity to optimize health, protect longevity, and thrive with renewed confidence. Understanding Perimenopause & Menopause During this transition, levels of estrogen, […]
- [PCOS](https://sqmed360.com/vitality/pcos/): PCOS & Hyperandrogenic States:Sequoia Medical 360 Precision Care for Polycystic Ovary Syndrome and Related Hormonal Imbalances in Westchester, NY Polycystic Ovary Syndrome (PCOS) is one of the most common endocrine disorders in women of reproductive age, yet it remains one of the most misunderstood. Affecting up to 1 in 10 women, PCOS is far more than an issue of irregular cycles — it is a complex hormonal and metabolic condition that can affect fertility, weight, skin, mood, and long-term health. At Sequoia Medical 360, we provide comprehensive, concierge-level care for PCOS and related hyperandrogen states (conditions where excess male hormones […]
- [Women’s Health](https://sqmed360.com/vitality/womens-health/): Women’s Hormonal Health:Sequoia Medical 360 Precision Care for Every Stage of a Woman’s Life – Serving Bronxville, Westchester & Beyond A woman’s health journey is shaped by dynamic hormonal shifts — from puberty and fertility to perimenopause and menopause. These changes influence energy, mood, weight, metabolism, and long-term wellness. When imbalances arise, the effects ripple through every aspect of life. At Sequoia Medical 360, we specialize in identifying and treating the full spectrum of women’s hormonal conditions with precision, compassion, and a concierge level of access. Whether you are navigating PCOS, pregnancy-related concerns, or the transitions of midlife, we provide […]
- [Men’s Health](https://sqmed360.com/vitality/mens-health/): Men’s Hormonal Health:Sequoia Medical 360 Optimizing Vitality, Performance & Cardiovascular Protection in Westchester, NY Men’s health is a multifaceted landscape, with hormonal balance and cardiovascular well-being serving as critical pillars of sustained vitality, performance, and longevity. As men age—or due to genetics, stress, or lifestyle factors—subtle hormonal shifts can occur. These changes often go unnoticed until they impact energy, mood, body composition, and even cardiovascular health. At Sequoia Medical 360, we don’t settle for symptom management. We specialize in precise diagnostics, advanced hormone optimization, and proactive cardiovascular protection, helping men achieve peak health at every stage of life. Why Hormonal […]
- [Men’s & Women’s Vitality](https://sqmed360.com/vitality/): Hormonal Health:Sequoia Medical 360 Precision Hormone Optimization for Energy, Vitality & Longevity in Bronxville & Westchester, NY Hormones are the body’s master regulators — influencing energy, mood, metabolism, sexual health, fertility, and overall vitality. Even subtle imbalances can ripple across nearly every system, leading to fatigue, weight changes, sleep disruption, low libido, mood instability, and impaired performance. At Sequoia Medical 360, we provide concierge-level hormonal health care that goes far beyond “normal” lab ranges. Our approach blends advanced diagnostics, evidence-informed therapies, and lifestyle optimization to restore balance, protect long-term health, and help you feel and perform at your best. Men’s […]
- [Nutrition](https://sqmed360.com/metabolism/nutrition/): Nutrition:Sequoia Medical 360 Food as Medicine, Designed for Your Biology At Sequoia Medical 360, we believe food is the most powerful tool to shape health, metabolism, and longevity. Yet no single “best diet” exists. The right nutrition depends on your physiology, goals, and lifestyle — which is why we take a personalized, evidence-based approach that goes far beyond generic advice. Our Philosophy Precision Nutrition at Sequoia Your nutrition plan is guided by advanced diagnostics: How We Personalize Your Plan The Sequoia Medical 360 Advantage Begin Your Nutrition Journey Food is not just fuel — it is medicine, longevity, and performance […]
- [Metabolism & Performance Medicine](https://sqmed360.com/metabolism/): Metabolism & Performance Medicine:Sequoia Medical 360 Why Metabolism Matters A disrupted metabolism doesn’t just affect weight — it drives: Advanced Diagnostics Nutrition First: The Foundation of Metabolic Health At Sequoia, nutrition is the starting point of every metabolic plan. Food is the single most powerful lever to restore insulin sensitivity, reduce inflammation, and optimize energy. By identifying these shifts early, we can intervene years before irreversible complications arise. Our Approach to Metabolism & Performance Medicine Metabolism & Performance Medicine at Sequoia Medical 360 Optimizing Energy, Resilience, and Metabolic Health in Westchester & Bronxville, NY At Sequoia Medical 360, we believe […]
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- [Metabolic Syndrome](https://sqmed360.com/endocrinology/metabolic-syndrome/): Metabolic Syndrome Care:Sequoia Medical 360 Precision Endocrine & Cardiometabolic Medicine in Westchester, NY Metabolic syndrome is not one disease — it is a constellation of conditions that together multiply your risk for heart attack, stroke, diabetes, fatty liver disease, and premature aging. At Sequoia Medical 360, we see it as both a warning sign and a chance to intervene early. Led by Dr. Tony Mathews — quadruple board-certified in Endocrinology, Obesity Medicine, Clinical Lipidology, and Internal Medicine, with dual fellowships in Preventive Cardiology and Endocrinology/Metabolism — our approach goes beyond treating numbers. We address root physiology, advanced diagnostics, and personalized […]
- [Rare Bone Disorders](https://sqmed360.com/endocrinology/bone-health/rare/): Rare Bone Disorders: Sequoia Medical 360 Not all bone problems are osteoporosis. Some conditions are uncommon, frequently missed, and highly treatable once correctly identified. At Sequoia Medical 360, we specialize in the diagnosis and management of rare and complex metabolic bone diseases—from Paget’s disease of bone and Tumor-Induced Osteomalacia (TIO) to hypophosphatasia, scurvy, and other causes of osteomalacia (soft bone). Our goal is straightforward: find the cause, fix the biology, and restore function.Guided by Dr. Tony Mathews (dual fellowship in Preventive Cardiology & Endocrinology, board-certified in Obesity Medicine and Clinical Lipidology), we pair advanced lab analysis with targeted imaging and […]
- [Hypocalcemia](https://sqmed360.com/endocrinology/bone-health/hypocalcemia/): Hypocalcemia:Sequoia Medical 360 Resolve Symptoms. Protect Bone & Nerves. Hypocalcemia is low blood calcium, often presenting with muscle cramps, tingling in lips/fingers (paresthesias), spasms, or, in severe cases, seizures or cardiac rhythm changes. Because calcium is crucial for nerve conduction, muscle contraction, and bone mineralization, prompt diagnosis matters. Common Causes Evaluation Management (Personalized to Cause & Severity) Bone Context Persistent hypocalcemia and low PTH impair mineralization, increasing fracture risk and symptoms such as muscle spasm. We pair biochemical correction with bone-safe strength training, fall prevention, and monitoring. Request a calcium & bone metabolism assessment (Bronxville + telehealth NY).Related pages
- [Hypercalcemia](https://sqmed360.com/endocrinology/bone-health/hypercalcemia/): Hypercalcemia:Sequoia Medical 360 Find the Cause. Protect Kidneys, Brain, and Bone. Hypercalcemia can be silent—or present with fatigue, thirst, frequent urination, constipation, abdominal pain, cognitive fog, and in advanced cases, kidney stones or bone pain. Left untreated, it can harm kidneys, heart, and skeleton. Most Common Causes Evaluation Management Bone Context  Chronic hypercalcemia from PHPT accelerates bone turnover and osteoporosis, especially at cortical sites (forearm, hip). We pair calcium control with DXA tracking and, when indicated, bone-active therapy.  CTA: Schedule a hypercalcemia & parathyroid evaluation (Bronxville + telehealth NY).
- [Osteoporosis](https://sqmed360.com/endocrinology/bone-health/osteoporosis/): Osteoporosis:Sequoia Medical 360 Prevent Fractures. Preserve Independence. Osteoporosis is low bone strength due to reduced bone density and micro-architectural deterioration. It’s often silent until a fracture occurs. Women after menopause and older men are at highest risk, but secondary causes are common and treatable.. Who’s at Risk? Evaluation (What We Do Differently) Diagnosis Treatment Plan (Personalized) 1) Lifestyle & Nutrition 3) Monitoring & Duration Outcomes We Track 2) Medications (when indicated) Schedule your osteoporosis evaluation in Bronxville.Related Pages
- [Rare Thyroid Disorders](https://sqmed360.com/endocrinology/thyroid/rare/): Rare Thyroid Disorders:Sequoia Medical 360 Expert Care for Complex and Rare Thyroid Conditions in Bronxville & Westchester, NY While hypothyroidism, hyperthyroidism, and thyroid nodules are the most common thyroid problems, many patients develop less common but equally significant disorders that require nuanced evaluation. These conditions often go undiagnosed or mismanaged in general practice, leading to prolonged symptoms, unnecessary medications, or overlooked risks.At Sequoia Medical 360, Dr. Tony Mathews’ advanced training in Endocrinology and Preventive Cardiology equips him to identify and manage even the rarest thyroid disorders. With a concierge model offering extended visits, expedited diagnostics, and direct access to your […]
- [Thyroid Nodules & Cancer](https://sqmed360.com/endocrinology/thyroid/nodules-cancer/): Thyroid Nodules & Thyroid Cancer Care:Sequoia Medical 360 Expert Evaluation & Management in Bronxville & Westchester, NY Thyroid nodules are extremely common — small lumps within the thyroid gland discovered during routine exams, imaging studies, or self-exam. Most nodules are benign, but a small percentage can be malignant, requiring careful evaluation and management. Thyroid cancer, while relatively uncommon, is one of the fastest-growing cancer diagnoses worldwide. The good news: with early detection and modern treatment, outcomes are often excellent.At Sequoia Medical 360, we combine advanced imaging, precision biopsy techniques, and comprehensive endocrine expertise to distinguish harmless nodules from those requiring […]
- [Hyperthyroidism](https://sqmed360.com/endocrinology/thyroid/hyperthyroidism/): Hyperthyroidism:Sequoia Medical 360 Expert Care for Overactive Thyroid in Bronxville & Westchester, NY Hyperthyroidism occurs when the thyroid gland produces too much hormone, sending metabolism into overdrive. This can affect nearly every organ system — from your heart rhythm to your bone density. Common symptoms include anxiety, palpitations, weight loss despite normal eating, heat intolerance, tremors, and sleep disturbance. Left untreated, hyperthyroidism increases the risk of atrial fibrillation, osteoporosis, and even life-threatening thyrotoxic crises.At Sequoia Medical 360, we provide precision diagnosis and highly individualized treatment for all forms of hyperthyroidism. With expertise spanning Graves’ disease, toxic nodules, thyroiditis, and rare […]
- [Hypothyroidism](https://sqmed360.com/endocrinology/thyroid/hypothyroidism/): Hypothyroidism:Sequoia Medical 360 Expert Diagnosis & Treatment for Underactive Thyroid in Bronxville & Westchester, NY Hypothyroidism occurs when the thyroid gland fails to produce enough hormone, slowing metabolism and disrupting nearly every organ system. Fatigue, weight gain, cold intolerance, constipation, dry skin, hair thinning, and cognitive changes are common — but the condition also carries long-term risks, including heart disease, infertility, and osteoporosis, if left untreated.At Sequoia Medical 360, we deliver comprehensive, concierge-level care for hypothyroidism, using advanced diagnostics and individualized treatment plans. Whether your condition is autoimmune, central, inflammatory, or pregnancy-related, Dr. Tony Mathews’ dual fellowship training in Endocrinology […]
- [Other Forms of Diabetes](https://sqmed360.com/endocrinology/diabetes/other/): Care For Other Forms of Diabetes:Sequoia Medical 360 Expert Care for Atypical & Rare Forms of Diabetes – Bronxville & Westchester, NY Not all diabetes is Type 1, Type 2, or gestational. At Sequoia Medical 360, we specialize in identifying and managing atypical, rare, and misclassified forms of diabetes that often go unrecognized in standard care. These patients may be misdiagnosed, placed on the wrong medications, or left without the right tools to control their disease. Our concierge model, led by Dr. Tony Mathews — quadruple board-certified in Endocrinology, Diabetes & Metabolism, Obesity Medicine, Internal Medicine, and Clinical Lipidology — […]
- [Gestational Diabetes](https://sqmed360.com/endocrinology/diabetes/gestational/): Gestational Diabetes Care:Sequoia Medical 360 Specialized Care for Mother and Baby – Bronxville & Westchester, NY Gestational diabetes is a unique condition that arises during pregnancy when hormonal changes impair the body’s ability to regulate blood sugar. It affects up to 10% of pregnancies and, if not carefully managed, can pose risks for both mother and child — from complications at delivery to an increased lifetime risk of developing Type 2 diabetes. At Sequoia Medical 360, we bring advanced endocrinology expertise to pregnancy care. Our approach emphasizes early detection, precision management, and long-term protection for both mother and baby. Why […]
- [Type 2 Diabetes](https://sqmed360.com/endocrinology/diabetes/type-2/): Type 2 Diabetes Care:Sequoia Medical 360 Restoring Balance With Precision Endocrinology Type 2 Diabetes (T2D) is the most common form of diabetes, accounting for over 90% of cases. It develops when the body’s cells become resistant to insulin’s effects, and over time, the pancreas may also produce less insulin. The result is elevated blood sugar, which—if left untreated—can cause long-term damage to the heart, kidneys, eyes, nerves, and blood vessels. Unlike Type 1 Diabetes, which is autoimmune, Type 2 often emerges gradually, frequently without obvious early symptoms. Many patients discover it through routine labs showing elevated glucose or A1c levels. […]
- [Type 1 Diabetes](https://sqmed360.com/endocrinology/diabetes/type-1/): Type 1 Diabetes Care:Sequoia Medical 360 Empowering Life With an Autoimmune Condition Type 1 Diabetes is an autoimmune disorder in which the body’s immune system mistakenly attacks and destroys the pancreatic beta cells responsible for insulin production. Without insulin, glucose cannot move into cells for energy, leading to dangerously high blood sugar and the lifelong need for insulin therapy. Although most commonly diagnosed in children and young adults, Type 1 Diabetes can occur at any age. In adults, it is sometimes misclassified as Type 2, leading to delayed treatment. Symptoms often include rapid weight loss, extreme thirst, frequent urination, blurry […]
- [Prediabetes](https://sqmed360.com/endocrinology/diabetes/prediabetes/): Prediabetes Care:Sequoia Medical 360 Turning the Tide Before Diabetes Develops in Westchester, NY At Sequoia Medical 360 in Bronxville, NY, we emphasize that prediabetes is not a “pre” disease — it is the disease itself. The same metabolic processes that drive Type 2 Diabetes, cardiovascular disease, and fatty liver disease are already underway. The difference is that at this stage, we still have the best opportunity to reverse them. Prediabetes is a silent but powerful warning signal. Defined as blood glucose levels that are above normal but not yet in the diabetic range, it represents a metabolic crossroads. Nearly one […]
- [Endocrine Disorders in Pregnancy](https://sqmed360.com/endocrinology/pregnancy/): Endocrine Disorders in Pregnancy:Sequoia Medical 360 Comprehensive Care for Mother & Baby at Sequoia Medical 360 – Serving Bronxville, Westchester & All of New York via Telehealth Pregnancy is a time of profound hormonal and metabolic change. For most women, these shifts support a healthy pregnancy. But for some, they can unmask, worsen, or trigger endocrine disorders that require expert management. Left unrecognized, these conditions can affect both maternal health and fetal development — sometimes with lifelong implications for both.At Sequoia Medical 360, we provide specialized endocrine care during pregnancy, integrating advanced diagnostics, continuous monitoring, and close collaboration with your […]
- [Adrenal Disorders](https://sqmed360.com/endocrinology/adrenal/): Adrenal Disorders:Sequoia Medical 360 Precision Care for Stress Biology, Metabolism & Blood Pressure in Bronxville & Westchester, NYTwo small, triangular glands sit atop your kidneys and help determine how you respond to stress, regulate blood pressure and electrolytes, balance blood sugar, maintain immune resilience, and sustain daily energy. These are your adrenal glands—and when their hormones drift too high or too low, the ripple effects can touch every system: heart, brain, muscle, metabolism, mood, and sleep.At Sequoia Medical 360 in Bronxville, serving all of Westchester and New York State via telehealth, we provide advanced, concierge-level evaluation and treatment for the […]
- [Pituitary Disorders](https://sqmed360.com/endocrinology/pituitary-disorders/): Pituitary Disorders:Sequoia Medical 360 Pituitary Disorders at Sequoia Medical 360 Expert Evaluation & Treatment in Bronxville, Serving Westchester & New York State The pituitary gland, often referred to as the “master gland,” is a pea-sized structure at the base of the brain that orchestrates nearly every major hormonal pathway in the body. From growth and metabolism to reproduction, thyroid activity, adrenal stress response, and water balance, the pituitary’s signals influence virtually every organ system. When pituitary function is disrupted — by tumors, inflammation, autoimmune disease, trauma, or genetic conditions — the consequences can be profound. Patients may experience fatigue, infertility, […]
- [Bone Health](https://sqmed360.com/endocrinology/bone-health/): Bone Health:Sequoia Medical 360 Stronger Bones. Longer Healthspan. Bronxville & Westchester, NY Your skeleton is more than a frame—it’s a living, adaptive organ that safeguards mobility, independence, and longevity. As we age, bone turnover can tilt toward loss, raising the risk of silent fragility fractures that derail healthspan. At Sequoia Medical 360, we pair advanced diagnostics with targeted therapy and strength training to protect bone density and reduce fracture risk.From our concierge practice in Bronxville, we evaluate and treat osteoporosis, osteopenia, low bone mass, and calcium/parathyroid disorders that weaken bones. Plans are led by Dr. Tony Mathews (dual fellowship in […]
- [Thyroid Disorders](https://sqmed360.com/endocrinology/thyroid/): Thyroid Disorders:Sequoia Medical 360 Comprehensive Evaluation & Treatment in Bronxville and Westchester, NY The thyroid gland may be small, but its influence on your health is immense. Shaped like a butterfly at the base of your neck, it governs your metabolism, energy levels, cardiovascular health, and even mood. When thyroid function becomes imbalanced, the effects ripple through nearly every system in the body. At Sequoia Medical 360, we provide precision diagnosis and individualized treatment for the full spectrum of thyroid disorders. Guided by Dr. Tony Mathews’ dual fellowship training in Preventive Cardiology and Endocrinology, Diabetes & Metabolism, our approach combines […]
- [Lipid Disorders](https://sqmed360.com/endocrinology/lipid/): Advanced Lipid Management:Sequoia Medical 360 Precision Cholesterol & Triglyceride Management in Bronxville & Westchester, NY Cholesterol and triglycerides are essential to human physiology, but when present in excess or imbalance, they become silent drivers of cardiovascular disease — the leading cause of death worldwide. At Sequoia Medical 360, we approach lipid management with the same philosophy we bring to endocrinology and longevity medicine: proactive, highly individualized care, grounded in advanced diagnostics and evidence-based therapy. As a board-certified lipidologist and endocrinologist, Dr. Tony Mathews integrates cutting-edge lipid testing, precision pharmacology, and lifestyle optimization to reduce your cardiovascular risk and protect your […]
- [Obesity / Weight Management](https://sqmed360.com/endocrinology/obesity/): Weight Management:Sequoia Medical 360 Physician-Led Obesity & Metabolic Care in Bronxville, Serving Westchester & All of New York via Telehealth Excess weight is not a failure of willpower — it’s a complex, biological condition shaped by hormones, genetics, appetite signaling, sleep, stress, medications, and environment. For many people, “eat less, move more” is necessary but not sufficient. Sustainable change requires a precise medical strategy that targets physiology while fitting real life.At Sequoia Medical 360, we deliver advanced, concierge-level weight management that integrates endocrinology, cardiometabolic prevention, fitness science, and behavioral coaching. Guided by Dr. Tony Mathews — dual fellowship-trained in Endocrinology, […]
- [Meet Dr. Tony Mathews, M.D, MPH](https://sqmed360.com/dr-mathews/): The Strategist. The Physician. The Partner Dr. Tony Mathews M.D, MPH Quadruple Board-Certified in Internal Medicine, Endocrinology, Obesity Medicine, and Clinical Lipidology.Precision-driven. Relationship-centered. A physician who lives this journey himself. Meet Dr. Tony Mathews — At a Glance The Strategist A quadruple board-certified physician with dual-fellowship training in Preventive Cardiology and Endocrinology—now pursuing advanced fellowship training in Anti-Aging & Regenerative Medicine. He is recognized for connecting complex physiology to real-world decisions. Data Guided by Wisdom “Not everything that can be measured matters—and not everything that matters can be measured.” He believes your life story, motivations, and stressors carry as much […]
- [Diabetes](https://sqmed360.com/endocrinology/diabetes/): Diabetes Care:Sequoia Medical 360 Reclaiming Metabolic Harmony Through Precision Endocrinology in Westchester, NY Diabetes is not just a “sugar problem.” It is a complex disruption of insulin production, insulin sensitivity, and the body’s ability to regulate energy. And it is not one single disease — but a spectrum of distinct conditions, each with its own causes, trajectories, and treatment strategies. At Sequoia Medical 360, we reject one-size-fits-all diabetes care. Instead, we deliver proactive, highly individualized strategies designed to restore balance, reduce complications, and protect long-term health. From the most common forms of diabetes to rare genetic subtypes, our concierge approach […]
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- [Membership](https://sqmed360.com/membership/): Membership at Sequoia Medical 360 A long-term, specialist-led partnership in proactive longevity care, integrating metabolic, endocrine, and preventive cardiovascular expertise. Membership — At a Glance Evergreen Membership Designed for individuals who value thoughtful, specialist-led, relationship-centered care. Your annual membership includes year-round access to your physician’s expertise, advanced diagnostic interpretation, and a long-term strategy for metabolic, endocrine, and preventive longevity health. What You Can Expect – An unrushed, in-depth annual evaluation– Longitudinal guidance & follow-up throughout the year– Advanced, data-driven interpretation of labs, imaging & wearables– Nutrition, performance, recovery & cognitive insight integrated into one plan– A physician who serves as […]
- [Endocrinology](https://sqmed360.com/endocrinology/): Endocrinology:Sequoia Medical 360 Precision Hormone & Metabolic Care in Westchester, NY The endocrine system is the body’s command center for energy, metabolism, reproduction, and overall vitality. Its network of glands and hormones influences nearly every organ system. When imbalances arise, the effects ripple across the body — from weight and energy levels to bone strength, cardiovascular health, and fertility. At Sequoia Medical 360, we provide comprehensive, concierge-level endocrinology tailored to restore balance and optimize long-term health. Led by Dr. Tony Mathews, a quadruple board-certified endocrinologist with fellowship training in Preventive Cardiology and Endocrinology/Metabolism, our practice integrates advanced diagnostics, cutting-edge therapies, […]
- [Home](https://sqmed360.com/): The Family Health Office Managing your family’s physiology with the same rigor, strategy, and continuity as your wealth. A founder-led, private medical partnership specializing in Longevity, Preventive Cardiology & Endocrinology Fellowship-trained in Endocrinology and Preventive Cardiology. Quadruple board-certified in: Internal Medicine · Endocrinology · Obesity Medicine · Clinical Lipidology Sequoia — At a Glance The Family Health Office Managing your family’s most important asset with the same rigor, strategy, and continuity as your wealth. Many Systems — Only One You Your health is the sum of many layers—internal (metabolic, hormonal), external (environment, lifestyle), and social (relationships, history). We connect the […]


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