About
Dr. Robin Berzin founded Parsley Health and serves as its CEO, shaping the organization's approach to functional and preventive medicine. She built Parsley around a simple conviction: testing is the foundation of genuine clinical insight. Her Longevity Labs program reflects that belief, covering 80+ biomarkers across 13 body system panels refined through years of work with more than 50,000 members.
Dr. Berzin designed the Los Angeles center to feel thoughtful and unhurried. She believes the physical environment matters to the healing process. Her clinical focus spans functional medicine, hormonal health, metabolic function, and root-cause diagnostics. She pairs advanced lab data with personalized treatment plans so members leave with a clear direction, not just numbers.
Conditions Treated
Who is Dr. Berzin right for?
Dr. Berzin is a strong fit for adults who want data-driven, root-cause answers to their health questions. Patients dealing with hormonal imbalances, metabolic concerns, or unexplained fatigue benefit from her comprehensive biomarker approach. She works well with people who want personalized treatment plans built from detailed lab findings. Her practice suits those who value an unhurried clinical environment and a long-term view of their health.
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Frequently Asked Questions
Dr. Berzin specializes in functional medicine and preventive medicine. Her clinical focus includes hormonal health, metabolic function, and root-cause diagnostics. She uses advanced lab testing to guide personalized treatment plans for each member.
Dr. Berzin created Longevity Labs as the core diagnostic service at Parsley Health. The program covers 80+ biomarkers across 13 body system panels. It produces a Functional Health Score, Functional Age, and Aging Velocity metric. She refined the panel through years of clinical work with more than 50,000 members.
Dr. Berzin pairs advanced lab data directly with personalized treatment plans. She ensures members leave with a clear clinical direction, not just a list of numbers. Her approach connects biomarker findings to actionable next steps across hormonal, metabolic, and systemic health.
Dr. Berzin designed Longevity Labs to cover 13 body system panels. These include hormone balance, thyroid health, cardiovascular health, metabolic function, inflammation, autoimmune markers, kidney and liver function, nutrient reserves, electrolytes, environmental toxins, stress and adrenal health, and a complete blood count.
Yes, Dr. Berzin and the Parsley Health Los Angeles team offer telehealth visits in addition to in-person care. Members can choose the format that best fits their schedule and location.
Dr. Berzin founded Parsley Health and continues to serve as its CEO. She shapes the organization's clinical direction and overall approach to functional and preventive medicine. The Los Angeles center reflects her belief that the care environment itself contributes to patient outcomes.
Doctor profile last updated March 21, 2026