Physician-led.
Data-driven.
Patient-focused.

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Meet Our Team

A world-class team of physicians and specialists dedicated to your longevity

Dr. Jahan Fahimi

Dr. Jahan Fahimi, MD, MPH

Clinical Lead

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Dr. Fahimi is a UCSF professor and ER physician with 40+ peer-reviewed publications. He’s been featured in CNN, Politico, and more, and is committed to using diagnostics and policy to advance longevity care.
Dr. Raveena Rihal

Dr. Raveena Rihal, MD

Women's Health

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Dr. Rihal specializes in early prevention and long-term risk reduction. She’s also certified in lifestyle medicine, menopause care, and plant-based nutrition, combining structure with empathy.
Dr. Daniel Singer

Dr. Daniel Singer, MD

Longevity Physician

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Dr. Singer trained in ER and ICU medicine and completed a personalized longevity fellowship with Wild Health. He focuses on VO₂Max, microbiome analysis, and diagnostics to drive performance and long-term healthspan.
Jesse Levey

Jesse Levey

Founder & CEO

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Jesse founded Longevity Health after years of struggling to find a doctor-led program that wasn't reactive, piecemeal, or built around influencers and fads. Prior to founding Longevity Health, Jesse spent over a decade in fintech, scaling Credit Sesame from pre-revenue to profitability.

“My goal: to ski in my 80s and hike in my 90s — and help others do the same.”

Lenita Anthony

Lenita Anthony

Exercise Physiologist

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Lenita is a cycling world champion, board-certified health coach, and MS in Exercise Physiology. She blends behavior science and elite conditioning to help patients sustain long-term performance and health.
Jennifer Dela Cruz

Jennifer Dela Cruz

Registered Dietitian

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Jen is a certified diabetes care specialist with over a decade of experience in clinical nutrition and metabolic health. Her approach is practical, science-based, and tailored to each individual’s goals.
Cyrus Morrison

Cyrus Morrison

Strength Coach

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Cyrus is a D1 swimmer turned CSCS and MPH graduate. He specializes in mobility, injury prevention, and long-term athlete development — all tailored for longevity.
Vany Defeo

Vany Defeo

Medical Assistant

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Vany ensures operational flow and patient success through coordination and care. She combines clinical background with deep experience in systems, communication, and logistics.

Our team has studied, taught and trained at

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NYU Harvard UCSF Penn NYU Harvard UCSF Penn NYU Harvard UCSF Penn

Our Services

Upfront testing icon
Upfront Testing and Screening
Extensive blood work
Dexa Scan
Sleep Study
Continuous Glucose Monitor
VO₂Max
Gut Health Test
Physician-led icon
Physician-led
Your longevity team will be led by a Board Certified Physician who will manage and coordinate your longevity care. Your physician will have a focus on longevity and the latest in preventative medicine.
Longevity team icon
Longevity Team
You will have a dedicated team focused on your longevity which will include a longevity focused Physician, a nutritionist, an exercise physiologist, and a strength and conditioning coach. They will coordinate your care, meet with you regularly and answer questions as they come up. Meet with your team as often as you like and access ongoing messaging.
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Development of a Custom Strategy
Our physicians and coaches will develop a bespoke custom program for you that includes protocols for fitness, nutrition, sleep, supplements, diagnostics, medication, and screening.
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Dedicated Nutritionist and Program
As part of your team you will have a dedicated nutritionist who will design a program customized to you and your needs. You will check-in regularly with your nutritionist and update your plan as needed.
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Custom Workout Plan
Your exercise physiologist will work with you on a customized workout plan that meets your needs and goals. The plan will be updated regularly based on your feedback. We will connect you with a personal trainer if needed.

Extensive Precision Diagnostics

  • Comprehensive bloodwork

    Comprehensive bloodwork

    Comprehensive bloodwork including up to 60 biomarkers for metabolic health, cardiovascular health, nutritional health, and hormone status.

  • Continuous Glucose Monitor

    Continuous Glucose Monitor

    Testing of your metabolic health and nutrition to guide recommendations.

  • Vo2Max test

    Vo2Max test

    Vo2Max test to evaluate cardio-respiratory fitness and endurance.

  • Gut Health

    Gut Health Test

    A thorough evaluation of your gut health that determines whether there are any imbalances that need to b addressed.

  • Dexa

    Body Composition Dexa Scan

    Evaluation of your body composition including muscle mass, percentage body fat, visceral fat and bone mineral density. This will help determine where to focus.

  • Sleep Study

    Sleep Study

    A sleep study to determine the quality of your sleep. This includes a consult with a sleep specialist who can diagnose any issues and recommend a treatment plan.

View Our Concierge Package

Patient Stories

Real experiences from our longevity program members

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Welcome to your future self.

Our advisors will answer all of your questions and explain how Longevity Health can assist you in enhancing your quality of life and reaching your maximum health potential.