
Best Functional Medicine Doctors in Illinois
Functional medicine practitioners who address root causes of disease through systems-oriented, patient-centered care. Browse and compare functional medicine doctors across Illinois, scored by AI, powered by real data.
Showing 29 of 29 functional medicine doctors in Illinois
BestDosage has evaluated 29 functional medicine doctors across Illinois based on credentials, patient reviews, and practice transparency. The average BestDosage Score across Illinois is 7.3 / 10 — reflecting a strong overall standard of care statewide. 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 by City in Illinois


Peter Kozlowski, MD, IFMCP

Jessica Hehmeyer, DC, MS, LDC, CNS, IFMCP

Sarah J. Zielsdorf, MD, MS

Victoria Nee, MD
Terese Black, ND, DC, IFMCP

Maureen M. Milota, APRN, MSN, IFMCP

Lauren M. Towle, MD
Alison Lechner, DO

Tristah Romero Kelly, NP

Frances Baxley, MD
Hetal Shah, MD

Sandra A. Lambatos, DC
Janusz Mejer
Tamara Nosa, Family Nurse Practitioner, APRN-FPA

Crystal J. Dillett, APNP
Joanna Kleszcz, MSN, APRN, ANP-C

Judy Marshall, MS
Cynthia L. Jakubiec, DC

Cara VanWormer-Hartman, DC

Brittany M. Parisot-Sebby, DC, DABCI, DACBN, IFMCP

Rachael Fabbi, DC, DABCI, IFMCP

Kori Feldman, MD

Casey Kelley, MD

Inna Hoffman, APNP
Sandra Wright
Patricia DeAngelis
