Best Functional Medicine Doctors in San Francisco, CA

Functional medicine practitioners who address root causes of disease through systems-oriented, patient-centered care. Compare top-rated functional medicine doctors in San Francisco, CA, scored by AI, powered by real data.

Showing 42 of 42 functional medicine doctors

Last updated: May 2026

The highest-rated functional medicine doctors in San Francisco, CA include Hillary Bassett, MD, IFMCP (BDS 8.9), Elizabeth Greenfield, MS, APRN, IFMCP (BDS 8.9), Theresa Tsingis, PA-C, DC, MPH, MS, IFMCP (BDS 8.6). Rankings are based on BestDosage's transparent BDS scoring methodology, which evaluates credentials, experience, and patient outcomes across 12 categories.

BestDosage has evaluated 42 functional medicine doctors in San Francisco, CA based on credentials, patient reviews, and practice transparency. The average BestDosage Score for functional medicine doctors here is 7.2 / 10 — reflecting a strong overall standard of care in this market. Functional medicine doctors are typically MDs, DOs, NDs, or NPs with additional training through the Institute for Functional Medicine (IFM). Look for board certification and documented experience with root-cause, systems-based protocols.

Frequently Asked Questions

Who is the best functional medicine doctor in San Francisco, CA?

The highest-rated functional medicine doctors in San Francisco, CA based on BestDosage Scores include Hillary Bassett, MD, IFMCP (BDS 8.9), Elizabeth Greenfield, MS, APRN, IFMCP (BDS 8.9), Theresa Tsingis, PA-C, DC, MPH, MS, IFMCP (BDS 8.6). Rankings are updated regularly using credentials, patient reviews, and practice transparency data.

How are functional medicine doctors in San Francisco, CA scored?

Each functional medicine doctor is scored across 12 categories using public reviews and verified credentials. Scores range from 1 to 10, with tiers from "Listed" to "Elite."

How many functional medicine doctors are listed in San Francisco, CA?

We currently have 42 functional medicine doctors listed in San Francisco, CA, each scored and ranked using our AI-powered methodology.

How much does a functional medicine doctor cost in San Francisco, CA?

Functional medicine doctor costs in San Francisco, CA vary by provider, treatment type, and whether insurance is accepted. Many practitioners offer free consultations. Use BestDosage to compare pricing transparency across providers.

What should I look for in a functional medicine doctor?

Look for verified credentials, high patient review scores, transparent pricing, and relevant specializations. BestDosage evaluates all of these factors in its BDS scoring methodology so you can compare providers at a glance.

How do I choose the best functional medicine doctor in San Francisco, CA?

Review BestDosage Scores and patient reviews, then consider telehealth availability, insurance acceptance, and specialization. Use our comparison tool to evaluate providers side by side, or take the Wellness Match quiz.

Does insurance cover functional medicine doctor visits?

Insurance coverage for functional medicine doctor visits varies by plan and provider. Some accept insurance directly, while others offer superbills for out-of-network reimbursement. Check individual practitioner profiles on BestDosage for insurance details.

Is it free to find a functional medicine doctor on BestDosage?

Yes, browsing the directory, viewing profiles, and comparing providers is completely free. Our scoring methodology is published openly for full transparency.

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Reviewed by Chad Waldman, Analytical Chemist · BestDosage Editorial Team · Last updated May 2026

Best Functional Medicine Doctors in San Francisco, CA

Functional Medicine Doctors in Nearby Cities

Hillary Bassett, MD, IFMCP

Elizabeth Greenfield, MS, APRN, IFMCP

Theresa Tsingis, PA-C, DC, MPH, MS, IFMCP

Laura Paris, DACM, LAc

Victoria A. Rivera, MS, PA-C

Sally Daganzo, MD, MA, FACP, CEDS

Myrto A. Ashe, MD, MPH, IFMCP

Darcy Oikawa, DC, IFMCP

Carolyn Finnegan, DC, IFMCP

Sandra Fleming, MD, IFMCP

Daniel Metzger, DACM, L.Ac., IFMCP

Kristine Burke, MD, ABFM, ABoIM, FMCP-M

Richard Chen, MD

Rekha Murali, MD, IFMCP, Health Coach

Judy Liu, MD

Dr. Ryan Lazarus, MSc, CNS, IFMCP, DC

Tracy H. McCarthy, MD

John Beech, DC, IFMCP, CFMP

Angelica Salazar, MD

Michelle Ross, MS, MA, CNS, LDN, IFMCP

Shiroko Sokitch, MD

Janette M. Trapp, MSN, FNP-C

Maria Santee, PA-C, MPH, A4M Functional Fertility

Jeffrey Mark, MD

Elena Fowler, MD

Sonya Kim, MD, MBA

Caroline S. Engel, DO

Antonella Aguilera-Ruiz, ND

Gabrielle Klein, ND

Darcie Ellyne, MS, RD, CDE, IFNCP

Daniel E. Rieders, MD

Jean Pierre Valette, MD

Chien-Wei Kung, DMS, PA-C, RDN, IFMCP

Natalya Denissov, MD

Angela K. Griffiths, DC

Anjali Chanana, MD

Craig C. Mortensen, DC

Katherine B. Bisharat, MD

Susan Cislo, DO

Barbara A. Sobel, MS, CNS, LDN

Andrea M. Telfer-Karbo, FNP-C, PHN, AFMCP

Lillian W. Leong, DO

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