Built by physicians for the way health actually unfolds.
Most healthcare is reactive: a problem appears, a prescription follows. We built Decades because the most important health decisions are made years before a diagnosis — and they deserve a physician's full attention.
Evidence-based optimization, not anti-aging hype.
The decisions you make in your 30s and 40s shape the next 30 years.
We don't guess. We measure, interpret, and act on the data that's actually predictive.
Your plan is built around your age, sex, history, and goals — not a template.
We don't lead with prescriptions. We lead with understanding the whole picture.
Care isn't a one-time event. As your data and life change, the protocol changes with them.
Meet the team behind your care.
Jahan Fahimi, MD, MPH
Harvard School of Public Health. Board-certified in Emergency Medicine. 40+ publications in preventive medicine. Designed the clinical protocols behind every Decades program.
Jason Valadao, MD
Board-certified in Family & Sports Medicine. Specializes in hormone optimization, men's health, and performance medicine.
Daniel Singer, MD
Board-certified in Emergency Medicine. Specializes in metabolic health, body composition, GLP-1-guided care, and CGM monitoring.
Raveena Rihal, MD
Board-certified in Internal Medicine. Specializes in women's hormonal health, perimenopause, and menopause care.