James C. Griffin II, DO
NPI 1861438806ActiveIndividual· Internal Medicine· Powell, TN
Internal Medicine (DO) with Summit Medical Group, PLLC and 1 other group, practicing in Powell, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $717,698 for 10,034 claims, against $130,863 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $1,008 in all, mostly food and beverage. Lists Fort Sanders Regional Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1861438806 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 20, 2006 |
| Last updated in NPPES | Oct 10, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01344 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 7,248 across 102 procedure codes |
| Paid by Medicare | $130,863 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,034 · 23,446 30-day fills |
|---|---|
| Patients | 532 |
| Total drug cost | $717,698 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
- Champion Physical Therapy LLC HallsJohnson City, TN · 281 clinicians
Hospital affiliations
- Fort Sanders Regional Medical CenterKnoxville, TN
- Parkwest Medical CenterKnoxville, TN
- Physicians Regional Medical CenterPowell, TN
- University Health System, IncKnoxville, TN
Other facilities
- Amedisys Home Health CareHome health agency · Knoxville, TN
- Amedisys Home Health of TennesseeHome health agency · Tazewell, TN
- University of Tn Medical Center Home Care ServicesHome health agency · Knoxville, TN
Industry payments (Open Payments)
- 2025$1,008 · 62 payments from 15 companies
- 2024$1,275 · 73 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $155.48 | 15 |
| Abbvie Inc. | $143.65 | 6 |
| Glaxosmithkline, LLC. | $101.55 | 6 |
| Xeris Pharmaceuticals, Inc. | $100.73 | 6 |
| Novo Nordisk Inc | $96.04 | 4 |
What the 2025 payments were for
- Food and Beverage$1,008 · 62 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 internal medicine physicians in Powell · All internal medicine physicians in Tennessee