Michael Douglas Leahy, MD
NPI 1285678607ActiveIndividual· Internal Medicine· Powell, TN
Internal Medicine (MD) in Powell, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1973). Enrolled in Medicare as practitioner - internal medicine. Dexcom, Inc. was the largest of 6 companies reporting payments in 2025, $124.52 in all, mostly food and beverage.
Overview
| NPI | 1285678607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Oct 10, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 08526 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TN) |
|---|
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Internal Medicine |
Medical group
- Knoxville Hma Physician Management, LLCKnoxville, TN · 120 clinicians
Industry payments (Open Payments)
- 2025$124.52 · 6 payments from 6 companies
- 2024$58.55 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $30.75 | 1 |
| Abbvie Inc. | $29.03 | 1 |
| Amphastar Pharmaceuticals, Inc. | $21.70 | 1 |
| Insulet Corporation | $19.91 | 1 |
| Exact Sciences Corporation | $13.64 | 1 |
What the 2025 payments were for
- Food and Beverage$124.52 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Powell
- 1174083398
- 1245275411
- 1265920581
- 1285670810
- 1376587790
- 1467496885
- 1548629462
- 1649214073
- 1730123167
- 1851719637
- 1861029191
- 1861438806
All 28 internal medicine physicians in Powell · All internal medicine physicians in Tennessee