Nils Peter Gaddis, DO
NPI 1447337696ActiveIndividual· Internal Medicine· Alcoa, TN
Internal Medicine (DO) in Alcoa, Tennessee, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $902,077 for 7,758 claims, against $66,532 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $261.01 in all, mostly food and beverage.
Overview
| NPI | 1447337696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Oct 27, 2025 |
| Certified by provider | Oct 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 1563 | 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 | 188 |
|---|---|
| Services billed | 1,321 across 41 procedure codes |
| Paid by Medicare | $66,532 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,758 · 19,448 30-day fills |
|---|---|
| Patients | 446 |
| Total drug cost | $902,077 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
Medical groups
- Blount Memorial Physician Group IncAlcoa, TN · 252 clinicians
- Volunteer Healthcare Services, Inc.Morristown, TN · 91 clinicians
Hospital affiliation
- Blount Memorial HospitalMaryville, TN
Other facilities
- Amedisys Home Health CareHome health agency · Knoxville, TN
- Prisma Home Health ServicesHome health agency · Maryville, TN
Industry payments (Open Payments)
- 2025$261.01 · 14 payments from 7 companies
- 2024$341.57 · 20 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $79.96 | 3 |
| Pfizer Inc. | $61.04 | 3 |
| Astrazeneca Pharmaceuticals LP | $44.79 | 3 |
| Lilly USA, LLC | $29.96 | 2 |
| Xeris Pharmaceuticals, Inc. | $17.98 | 1 |
What the 2025 payments were for
- Food and Beverage$261.01 · 14 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