Richard M. Gaddis, DO
NPI 1053498204ActiveIndividual· Internal Medicine· Alcoa, TN
Internal Medicine (DO) in Alcoa, Tennessee, trained at University of North Texas Hsc, College of Osteopathic Med (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $946,423 for 15,870 claims, against $143,400 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 6 companies reporting payments in 2025, $227.99 in all, mostly food and beverage.
Overview
| NPI | 1053498204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Nov 19, 2025 |
| Certified by provider | Nov 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 1346 | 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 | 276 |
|---|---|
| Services billed | 2,234 across 38 procedure codes |
| Paid by Medicare | $143,400 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,870 · 33,114 30-day fills |
|---|---|
| Patients | 604 |
| Total drug cost | $946,423 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Medical groups
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
- Blount Memorial Physician Group IncAlcoa, TN · 252 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- University Health System, IncKnoxville, TN
Other facilities
- Amedisys Home Health CareHome health agency · Knoxville, TN
Industry payments (Open Payments)
- 2025$227.99 · 13 payments from 6 companies
- 2024$278.49 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $57.93 | 3 |
| Pfizer Inc. | $55.90 | 3 |
| Astrazeneca Pharmaceuticals LP | $35.49 | 2 |
| Novo Nordisk Inc | $33.75 | 2 |
| Lilly USA, LLC | $29.26 | 2 |
What the 2025 payments were for
- Food and Beverage$227.99 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 internal medicine physicians in Alcoa · All internal medicine physicians in Tennessee