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Best Functional Medicine Doctors in Tennessee

Functional medicine practitioners who address root causes of disease through systems-oriented, patient-centered care. Browse and compare functional medicine doctors across Tennessee, scored by AI, powered by real data.

Showing 31 of 33 functional medicine doctors in Tennessee

Last updated: May 2026

The highest-rated functional medicine doctors in Tennessee include Macey Chrestman, RN, BSN, MSN, FNPC, IFMCP (BDS 8.9), Deb York, DNP, APRN (BDS 8.5), Kate Gassaway, RN, MSN, APRN-BC (BDS 8.5). Rankings are based on BestDosage's transparent BDS scoring methodology, which evaluates credentials, experience, and patient outcomes across 12 categories.

BestDosage has evaluated 33 functional medicine doctors across Tennessee based on credentials, patient reviews, and practice transparency. The average BestDosage Score across Tennessee is 7.1 / 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.

PractitionerExceptional8.9
Macey Chrestman, RN, BSN, MSN, FNPC, IFMCP — practitioner in Memphis, TN

Macey Chrestman, RN, BSN, MSN, FNPC, IFMCP

Memphis, TN
Published
Functional Medicine
86 verified reviews
PractitionerExceptional8.5
Deb York, DNP, APRN — practitioner in Nashville, TN

Deb York, DNP, APRN

Nashville, TN
Published
Functional Medicine
105 verified reviews
PractitionerExceptional8.5
Kate Gassaway, RN, MSN, APRN-BC — practitioner in Memphis, TN

Kate Gassaway, RN, MSN, APRN-BC

Memphis, TN
Functional Medicine
175 verified reviews
PractitionerExceptional8.5
Jessica Briere, DC, IFMCP — practitioner in Knoxville, TN

Jessica Briere, DC, IFMCP

Knoxville, TN
Functional Medicine
2 verified reviews
PractitionerExceptional8.5
Mac Worley, MD, IFMCP — practitioner in Knoxville, TN

Mac Worley, MD, IFMCP

Knoxville, TN
Published
Functional Medicine
PractitionerExceptional8.2
Clifford M. Syner, PA-C, MPAS, IFMCP — practitioner in Nashville, TN

Clifford M. Syner, PA-C, MPAS, IFMCP

Nashville, TN
Functional Medicine
5 verified reviews
PractitionerExceptional8.1
Lela Iduna, MD — practitioner in Knoxville, TN

Lela Iduna, MD

Knoxville, TN
Functional Medicine
49 verified reviews
PractitionerExceptional8.1
Hans Hinterkopf, PA-C — practitioner in Nashville, TN

Hans Hinterkopf, PA-C

Nashville, TN
Functional Medicine
2 verified reviews
PractitionerExceptional8.0
Carissa Henderson, MSN, APRN-BC, IFMCP — practitioner in Memphis, TN

Carissa Henderson, MSN, APRN-BC, IFMCP

Memphis, TN
Functional Medicine
PractitionerHighly Recommended7.8

Eric Potter, MD

Nashville, TN
Published
Functional Medicine
3 verified reviews
PractitionerHighly Recommended7.7
Patrick R. Zitt, DC, DNM, IFMCP, MS — practitioner in Knoxville, TN

Patrick R. Zitt, DC, DNM, IFMCP, MS

Knoxville, TN
Functional Medicine
22 verified reviews
PractitionerHighly Recommended7.7
Tonya LaHatte, FNP-C, IFMCP — practitioner in Nashville, TN

Tonya LaHatte, FNP-C, IFMCP

Nashville, TN
Published
Functional Medicine
2 verified reviews
PractitionerHighly Recommended7.6
Ginny Isbell, PharmD — practitioner in Nashville, TN

Ginny Isbell, PharmD

Nashville, TN
Functional Medicine
38 verified reviews
PractitionerHighly Recommended7.6
Ashley Woods, M.D. — practitioner in Nashville, TN

Ashley Woods, M.D.

Nashville, TN
Functional Medicine
6 verified reviews
PractitionerHighly Recommended7.6
Karla Burnett, FNP-C, IFMCP — practitioner in Memphis, TN

Karla Burnett, FNP-C, IFMCP

Memphis, TN
Published
Functional Medicine
1 verified reviews
PractitionerHighly Recommended7.3
Libby Orsburn, M.D. — practitioner in Nashville, TN

Libby Orsburn, M.D.

Nashville, TN
Functional Medicine
21 verified reviews
PractitionerGood6.9
Harold M. Lickey, MD — practitioner in Nashville, TN

Harold M. Lickey, MD

Nashville, TN
Functional Medicine
PractitionerGood6.8
Erin Phamvan, FNP-BC, WHNP-BC, MSCP — practitioner in Nashville, TN

Erin Phamvan, FNP-BC, WHNP-BC, MSCP

Nashville, TN
Published
Functional Medicine
1 verified reviews
PractitionerGood6.8
Margaux Cousturian, PA-C, MMSc — practitioner in Knoxville, TN

Margaux Cousturian, PA-C, MMSc

Knoxville, TN
Functional Medicine
83 verified reviews
PractitionerGood6.8
Ky Yu, DACM, LAc — practitioner in Nashville, TN

Ky Yu, DACM, LAc

Nashville, TN
Functional Medicine
97 verified reviews
PractitionerGood6.5
Kimberly Glow, MD — practitioner in Knoxville, TN

Kimberly Glow, MD

Knoxville, TN
Published
Functional Medicine
PractitionerGood6.5
Joseph Radawi, MD — practitioner in Knoxville, TN

Joseph Radawi, MD

Knoxville, TN
Functional Medicine
49 verified reviews
PractitionerGood6.5
Jessica Culver, FNP-C — practitioner in Memphis, TN

Jessica Culver, FNP-C

Memphis, TN
Functional Medicine
42 verified reviews
PractitionerGood6.2
Gregory Fryer, MD — practitioner in Nashville, TN

Gregory Fryer, MD

Nashville, TN
Published
Functional Medicine
202 verified reviews
PractitionerGood6.2
Christie Brooks, RD — practitioner in Memphis, TN

Christie Brooks, RD

Memphis, TN
Functional Medicine
1 verified reviews
PractitionerGood6.0

Gail Gagnon, DO

Knoxville, TN
Published
Functional Medicine
13 verified reviews
PractitionerListed5.7
Richa Garg — practitioner in Nashville, TN

Richa Garg

Nashville, TN
Functional Medicine
15 verified reviews
PractitionerListed5.5
Amy Victor, FNP-C — practitioner in Knoxville, TN

Amy Victor, FNP-C

Knoxville, TN
Published
Functional Medicine
41 verified reviews
PractitionerListed5.0

Vedire V. Reddy

Knoxville, TN
Functional Medicine
1 verified reviews
PractitionerListed4.8

Svetlana Yanishevski, MD

Memphis, TN
Functional Medicine
1 verified reviews
PractitionerListed4.4

Rocio A. Huet, MD

Knoxville, TN
Published
Functional Medicine
2 verified reviews

Frequently Asked Questions

Who is the best functional medicine doctor in Tennessee?
The highest-rated functional medicine doctors in Tennessee based on BestDosage Scores include Macey Chrestman, RN, BSN, MSN, FNPC, IFMCP (BDS 8.9), Deb York, DNP, APRN (BDS 8.5), Kate Gassaway, RN, MSN, APRN-BC (BDS 8.5). Rankings are updated regularly using credentials, patient reviews, and practice transparency data.
How are functional medicine doctors in Tennessee 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 Tennessee?
We currently have 33 functional medicine doctors listed in Tennessee. Browse by city to find providers near you.
How much does a functional medicine doctor cost in Tennessee?
Functional medicine doctor costs in Tennessee 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.
Which cities in Tennessee have the most functional medicine doctors?
The top cities for functional medicine doctors in Tennessee include Knoxville (13), Nashville (13), Memphis (7).
Does insurance cover functional medicine doctor visits in Tennessee?
Insurance coverage for functional medicine doctor visits varies by plan and state. Some providers 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