PractitionerExceptional8.5
Margaux Cousturian, PA-C, MMSc
Knoxville, TN
Functional Medicine
83 verified reviews
Best Functional Medicine Doctors in Knoxville, TN
Functional medicine practitioners who address root causes of disease through systems-oriented, patient-centered care. Compare top-rated functional medicine doctors in Knoxville, TN, algorithmically scored, powered by real data.
Showing 10 of 13 functional medicine doctors
Last updated: May 2026
The highest-rated functional medicine doctors in Knoxville, TN include Margaux Cousturian, PA-C, MMSc (BDS 8.5), Patrick R. Zitt, DC, DNM, IFMCP, MS (BDS 8.3), Amy Victor, FNP-C (BDS 7.8). Rankings are based on BestDosage's transparent BDS scoring methodology, which evaluates reviewed reputation, listed credentials, professional presence, profile depth, and location detail — five weighted criteria drawn from public data.
BestDosage has evaluated 13 functional medicine doctors in Knoxville, TN based on credentials, patient reviews, and practice transparency. The average BestDosage Score for functional medicine doctors here is 6.8 / 10 — indicating a mix of established and emerging practices. 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
PractitionerExceptional8.3
Patrick R. Zitt, DC, DNM, IFMCP, MS
Knoxville, TN
Functional Medicine
22 verified reviews
PractitionerHighly Recommended7.8
Amy Victor, FNP-C
Knoxville, TN
Published
Functional Medicine
41 verified reviews
PractitionerHighly Recommended7.5
Lela Iduna, MD
Knoxville, TN
Functional Medicine
49 verified reviews
Practitioner
Jessica Briere, DC, IFMCP
Knoxville, TN
Functional Medicine
2 verified reviews
Practitioner
Gail Gagnon, DO
Knoxville, TN
Published
Functional Medicine
13 verified reviews
Practitioner
Joseph Radawi, MD
Knoxville, TN
Functional Medicine
49 verified reviews
Practitioner
Mac Worley, MD, IFMCP
Knoxville, TN
Published
Functional Medicine
Practitioner
Kimberly Glow, MD
Knoxville, TN
Published
Functional Medicine
Practitioner
Rocio A. Huet, MD
Knoxville, TN
Published
Functional Medicine
2 verified reviews
Frequently Asked Questions
Who is the best functional medicine doctor in Knoxville, TN?
The highest-rated functional medicine doctors in Knoxville, TN based on BestDosage Scores include Margaux Cousturian, PA-C, MMSc (BDS 8.5), Patrick R. Zitt, DC, DNM, IFMCP, MS (BDS 8.3), Amy Victor, FNP-C (BDS 7.8). Rankings are updated regularly using credentials, patient reviews, and practice transparency data.
How are functional medicine doctors in Knoxville, TN scored?
Each functional medicine doctor is scored across five weighted criteria drawn from public data: reviewed reputation, listed credentials, professional presence, profile depth, and location detail. Scores run to 10, and we publish one only at 7.0 or above.
How many functional medicine doctors are listed in Knoxville, TN?
We currently have 13 functional medicine doctors listed in Knoxville, TN, each scored and ranked using our AI-powered methodology.
How much does a functional medicine doctor cost in Knoxville, TN?
Functional medicine doctor costs in Knoxville, TN 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 Knoxville, TN?
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