Built Around How Your Body Actually Performs.
Lifetime Performance Medicine is a physician-led longevity practice in Los Gatos, California. Founded by Dr. Richard Nguyen, DO. Built around comprehensive diagnostics, a proprietary Lifetime Body Score, and 12-month plans that adjust as you progress.
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How Lifetime Performance Medicine Started
Lifetime Performance Medicine is the wellness and longevity division of Lifetime Surgical, founded by Dr. Richard Nguyen in 2007. After helping thousands of patients transform their health through surgery, Dr. Nguyen created a new approach focused on optimizing how people feel, perform, and age. Through comprehensive diagnostics, a Lifetime Body Score across six domains, and a personalized 12-month plan, every recommendation is guided by measurable data and ongoing progress.
Measure More. Improve What Matters.
Conventional medicine stops at "normal." Your labs come back, the numbers fall inside reference ranges, and you're told everything looks fine. Meanwhile, you feel less sharp than you used to. Recovery takes longer. Sleep doesn't restore you the way it once did. Your body composition has shifted. You're aware that something is moving in the wrong direction, but the system has no language for that and no protocol to address it.
We go further. We test what most clinics never measure. We track patterns across continuous data, not snapshots. We translate the results into a Lifetime Body Score that means something. And we build a plan that targets the domains holding you back, with the right tools prescribed at the right time, monitored over the year.

The Team Behind Your Plan
Meet the experienced medical team dedicated to optimizing your health through personalized, science-backed care.



Thoughtful Care In One Location
We're located at 15965 Los Gatos Blvd, Suite 201, in Los Gatos, California. All testing, visits, IV therapy, and diagnostics happen on-site in our clinic. The space is designed to support unhurried care: every consultation, every result review, every plan adjustment happens in person and at a pace that lets you actually think.
Two Practices, One Physician
Dr. Nguyen oversees two complementary practices in the Bay Area. Lifetime Performance Medicine focuses on longevity, diagnostics, and non-surgical optimization. Lifetime Surgical (with offices in Los Gatos and San Jose) focuses on general surgery, bariatric surgery, hernia repair, and advanced minimally invasive procedures.
Supporting Care Beyond Our Clinic
Dr. Nguyen is affiliated with the following hospitals and surgical centers for any procedures that require hospital privileges:
Good Samaritan Hospital, San Jose, CA
Los Gatos Community Hospital, El Camino Health
Silicon Valley Surgery Center, Los Gatos, CA
Fremont Surgery Center, Fremont, CA
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