Human Longevity, San Diego
Human Longevity's flagship clinic sits in Eastgate Technology Park near UC San Diego, where a single private day covers whole genome sequencing, whole body and brain MRI, cardiac imaging and hundreds of blood biomarkers. Twelve clinicians are named across the company's two California clinics, with Dr. Tina Ziainia as San Diego's medical director. Results live in a platform you keep.
The care team
Every clinician the operator publishes by name, with their role exactly as the operator states it.
At this clinic

Tina Ziainia, MD, FACOG
Published qualificationsThe company states she has over 25 years of clinical experience and awards including Top Doctors of San Diego and the Sharp Rees Stealy Physician Excellence Award, and that she was previously an assistant professor at Saint Louis University and a physician at Sharp Rees Stealy.
Across Human Longevity
Human Longevity publishes one Care Team page covering both its California clinics and names only Dr. Ziainia to San Diego, as its Medical Director of San Diego. The eleven clinicians below are published with photographs, specialty tags and biographies at company level, under the headings Clinical Leadership, Clinician Team (labelled '10 clinicians') and Clinical Advisory Team. Their location is not published, and none of them is presented here as the clinician a San Diego patient would see.

Keon Pearson, MD, MBA
Board-certified internal medicine physician specializing in preventive care and longevity medicine
Published qualificationsThe company states he is a Harvard graduate with early research in aging and holds a dual MD/MBA from Stanford, where he also completed internal medicine residency, with interests in cardiology, lipidology and kidney dysfunction.

Neha Ravi, DO
Board-certified Family Medicine physician with osteopathic training and certification in health coaching
Published qualificationsThe company states she is licensed in California, Arizona and New York, with expertise in cardiometabolic health, exercise and nutrition counselling, pelvic health and hormonal optimization, and additional training in fertility awareness-based methods.

Eric Dinenberg, MD, MPH
Fellowship-trained in Integrative Medicine with over 18 years of experience
Published qualificationsThe company states he completed his residency at UCSF and earned his MPH at UC Berkeley, and that before joining he worked in private practice at Scripps Memorial and was co-founder and CMO at a population health company.

William D. Keen, MD, FACC
Having over two decades of clinical and academic experience
Published qualificationsThe company states he was Assistant Medical Director and Chief of Echocardiography, Adult Congenital Heart Disease, and Internal Medicine at Kaiser Permanente, and that he maintains an academic appointment at UCSD as Clinical Professor of Medicine.

Margaret O'Byrne, MD
Published qualificationsThe company states she graduated from Rutgers Medical School, completed her residency in Internal Medicine and Vascular Medicine and her fellowship at Cleveland Clinic and the Andrew Weil Center, and serves as a medical consultant for the Medical Board of California.

Madison Pachoe, DNP, FNP-C
Board-certified Family Nurse Practitioner
Published qualificationsThe company states she received her BS in Biology from Georgetown University and completed her Master's and Doctorate in Nursing at Columbia University with a subspecialty in women's health, after two years at the CDC.

Abigail Mori, MSN, AGPCNP-BC
Board certified with a clinical background in Cardiology and Internal Medicine
Published qualificationsThe company states she has been recognized with Scripps' "Honored Caregiver" award by her patients.

Jessica Kelley, MSN, AGPCNP-BC
Board-Certified in Adult and Gerontology Primary Care with dual degrees as Nurse Practitioner and Clinical Nurse Specialist
Published qualificationsThe company states she has over a decade of clinical experience, most notably in Internal Medicine at Scripps Clinic Torrey Pines.

Julia Appis, DNP, FNP-BC
Board certified with experience in internal medicine as well as family medicine

Marion Guyer, MD, MPH
Board-certified Internal Medicine physician with 25 years of clinical experience
Published qualificationsThe company states she is a Yale graduate and UCSF trained, combining internal medicine with an integrative, holistic approach.

David Karow, MD, PhD
Internationally recognized as an innovative leader in MRI imaging and genomic analytics
Published qualificationsThe company states he graduated from medical school at the University of Michigan, Ann Arbor in 2005 in a combined MD/PhD program with a distinction in research, and completed residency and fellowship at UC San Diego and UC Los Angeles respectively.
Published by Human Longevity at organisation level · source ↗
Care at Human Longevity, San Diego
What people come here for, the kinds of care Human Longevity, San Diego offers, and its specific tests and services.
What people come here for
Kinds of care
Tests and services
- Bioimpedance body composition
- Estimates body fat and muscle using electrical impedance.
- Brain MRI with volumetrics
- Measures brain structure against your age group.
- Comprehensive biomarker panel
- Blood testing far beyond an annual physical, 50–160+ markers.
- Continuous glucose monitoring
- Tracks blood sugar response to food, sleep and stress in real time.
- Coronary calcium score
- A quick CT that counts hardened plaque in heart arteries.
- DEXA scan
- Measures bone density, lean mass and visceral fat precisely.
- Echocardiogram
- Ultrasound imaging of heart structure and function.
- Electrocardiogram
- Records the heart's electrical rhythm.
- Full-body MRI
- Scans the whole body for tumors and abnormalities before symptoms.
- Genetic & genomic testing
- Reads DNA for inherited risk and drug response.
- Low-dose lung CT
- Screens for lung cancer in eligible current/former smokers.
- Multi-cancer early detection blood test
- Screens one blood draw for signals of 50+ cancers.
- Stool-based colon screening
- At-home stool test for colorectal cancer signals.
More care this clinic lists, in its own words.
See every clinic that offers these.
Practical information
Confirm anything time-sensitive directly with the clinic before your visit.
Mon – Fri, 9:00 AM – 5:00 PM PST
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- Introduce your clinicians, with photos
- Describe your care in your own words
About this profile and its sources
4 sources
Everything on this page is what the clinic publishes about itself, gathered from the pages linked below and put in one place, in plain English. Where a fact comes from somewhere else, it is named beside that fact.