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Primary care doctors who accept Medicare in Greenville, KY
CMS lists 13 clinicians in this specialty with a practice address in Greenville. Accept Medicare assignment (the Medicare-approved amount as full payment): 13. Offer telehealth: 0.
Typical amounts Medicare approves in ZIP 42345 (2024 Medicare rates, the latest CMS has published): a new-patient visit $123, of which you pay about $31; a follow-up visit $94, of which you pay about $23 — the 20% coinsurance after the yearly Part B deductible. Clinicians who don't accept assignment can charge up to 15% more; with a Medicare Advantage plan, your plan's copay applies instead.
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Order: clinicians who accept assignment first, then by MIPS score (highest first), then by last name.
Darby Cole, MD
✓ Accepts Medicare assignmentGraduated 1995 · University of Kentucky College of MedicineMaleDrug and device company payments (2025): $141Brian E. Cunningham, MD
✓ Accepts Medicare assignmentGraduated 2008 · Indiana University School of MedicineMaleOther offices in Greenville: 1George T. Dunham, MD
✓ Accepts Medicare assignmentGraduated 2010MaleOther offices in Greenville: 1Drug and device company payments (2025): $179Gregory M. Fletcher, MD
✓ Accepts Medicare assignmentGraduated 1998 · University of Nebraska College of MedicineMaleDrug and device company payments (2025): $52Ashley L. Gabbard
✓ Accepts Medicare assignmentGraduated 2013 · University of Pikeville, Kentucky College of Osteopathic MedFemaleDrug and device company payments (2025): $199Michael R. Gabbard
✓ Accepts Medicare assignmentGraduated 2013 · University of Pikeville, Kentucky College of Osteopathic MedMaleDrug and device company payments (2025): $232Heather N. Garrett, MD
✓ Accepts Medicare assignmentGraduated 2006 · University of Kentucky College of MedicineFemaleOther offices in Greenville: 1Drug and device company payments (2025): $11Bracken Lewis, MD
✓ Accepts Medicare assignmentGraduated 2006 · University of Louisville School of MedicineMaleRene N. Ndzi, DO
✓ Accepts Medicare assignmentGraduated 2016MaleOther offices in Greenville: 1Drug and device company payments (2025): $91Ali Raza, MD
✓ Accepts Medicare assignmentGraduated 2016MaleDrug and device company payments (2025): $24Lee B. Sparks, MD
✓ Accepts Medicare assignmentGraduated 1998 · University of Kentucky College of MedicineMaleDrug and device company payments (2025): $251Stephanie K. Whitmer, MD
✓ Accepts Medicare assignmentGraduated 2012FemaleDrug and device company payments (2025): $182Steven R. Zeller, MD
✓ Accepts Medicare assignmentGraduated 2011 · JC Edwards School of Medicine, Marshall UniversityMaleOther offices in Greenville: 1Drug and device company payments (2025): $2,266
Before you book
This list comes from Medicare's enrollment records, not from reviews. Call the office to confirm the clinician is taking new Medicare patients. With Original Medicare, a clinician who accepts assignment can only charge you the Medicare deductible and coinsurance; one who doesn't may charge up to 15% more than the Medicare-approved amount. If you have a Medicare Advantage plan, check that the clinician is in the plan's network.
The MIPS final score (0–100) comes from Medicare's Merit-based Incentive Payment System for 2024. It combines quality measures, cost, improvement activities and use of certified health records, and it sets a payment adjustment. Clinicians who report as a group share the group's score. It is not a patient rating, and many clinicians have no published score.
Payments from drug and medical device companies come from CMS Open Payments (2025 general payments: meals, travel, consulting and speaking fees, gifts and similar), summed for each clinician. Receiving payments is legal and common and does not mean a clinician did anything wrong.
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Enrollment, addresses and scores are as reported to CMS and can change. This is not a list of in-network providers for any Medicare Advantage plan, and it is not medical advice. Source: CMS Provider Data Catalog — Doctors and Clinicians National Downloadable File, Clinician MIPS Performance 2024 and Facility Affiliation Data (released Oct 2, 2026).