
Best Functional Medicine Doctors in Phoenix, AZ
Functional medicine practitioners who address root causes of disease through systems-oriented, patient-centered care. Compare top-rated functional medicine doctors in Phoenix, AZ, scored by AI, powered by real data.
Showing 26 of 26 functional medicine doctors
Last updated: May 2026
The highest-rated functional medicine doctors in Phoenix, AZ include Zhanna Tarjeft, FNP-BC, IFMCP (BDS 8.6), Wanda Ichiriu, PA-C, IFMCP (BDS 8.5), Jennifer J. Sosnowski, MD (BDS 8.3). Rankings are based on BestDosage's transparent BDS scoring methodology, which evaluates credentials, experience, and patient outcomes across 12 categories.
BestDosage has evaluated 26 functional medicine doctors in Phoenix, AZ based on credentials, patient reviews, and practice transparency. The average BestDosage Score for functional medicine doctors here is 7.1 / 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.
Functional Medicine Doctors in Nearby Cities


Wanda Ichiriu, PA-C, IFMCP

Jennifer J. Sosnowski, MD

Bryan Glick, DO

Bridget R. Lehmann, NMD

Amelia Lo, Family Nurse Practitioner

Rayette P. Casiano, MD

Chad Campbell, PA-C
S. Ross Dunbar, ND, MSOM

Kari Vernon, DC

Patricia StandTal Clarke

Emily Parke, DO

Susan Del Sordi-Staats, DO

Michelle Jeffries, DO
Margaret A. Powell, DC

Cheri D. Dersam, MD

Burgess Buchanan, MSN, ACNP-C

Tiffany Ziegler, DO, MS
Robert Walker, MD

Sheridan James, MD

Tasia Kurland, DNP, AGNP-C

Abby Borhan, MD

Linda Eller, DO
Lexine M. Hebets, MD

Danielle B. Bechert, MD
Janis Rustad
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Reviewed by Chad Waldman, Analytical Chemist · BestDosage Editorial Team · Last updated May 2026