Clint Doiron, M.D.
NPI 1972593663ActiveIndividual· Internal Medicine, Interventional Cardiology· Knoxville, TN
Internal Medicine, Interventional Cardiology (M.D.) in Knoxville, Tennessee, trained at University of Texas Medical Branch at Galveston (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $2,085,787 for 11,469 claims, against $137,761 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 14 companies reporting payments in 2025, $1,619 in all, mostly food and beverage.
Overview
| NPI | 1972593663 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 25, 2005 |
| Last updated in NPPES | Sep 14, 2020 |
| Certified by provider | Sep 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 14554 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 14554 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,016 |
|---|---|
| Services billed | 2,436 across 53 procedure codes |
| Paid by Medicare | $137,761 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,469 · 28,311 30-day fills |
|---|---|
| Patients | 1,259 |
| Total drug cost | $2,085,787 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Knoxville Hma Cardiology Ppm, LLCPowell, TN · 42 clinicians
Hospital affiliations
- Claiborne Medical CenterTazewell, TN
- Lafollette Medical CenterLa Follette, TN
- Physicians Regional Medical CenterPowell, TN
- Starr Regional Medical Center AthensAthens, TN
- Tennova Healthcare - Newport Medical CenterNewport, TN
Industry payments (Open Payments)
- 2025$1,619 · 68 payments from 14 companies
- 2024$1,640 · 84 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $432.04 | 22 |
| Abbott Laboratories | $177.58 | 3 |
| Heartflow, Inc. | $172.94 | 4 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $165.40 | 7 |
| Merck Sharp & Dohme LLC | $155.78 | 8 |
What the 2025 payments were for
- Food and Beverage$1,619 · 68 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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