Robert Karnes, NP
NPI 1699555037ActiveIndividual· Nurse Practitioner· Oak Ridge, TN
Nurse Practitioner (NP) with Summit Medical Group, PLLC, practicing in Oak Ridge, Tennessee. 363 Medicare patients in 2024, $57,833 paid; nearly all of their 1,374 Part D prescriptions were generic (91%). Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $469.84 in all, mostly food and beverage. Lists Methodist Medical Center of Oak Ridge as a hospital affiliation.
Overview
| NPI | 1699555037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 3, 2023 |
| Last updated in NPPES | Nov 9, 2023 |
| Certified by provider | Nov 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 34792 | TN |
| Registered Nurse | 163W00000X | 208290 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 363 |
|---|---|
| Services billed | 2,215 across 109 procedure codes |
| Paid by Medicare | $57,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,374 · 2,004 30-day fills |
|---|---|
| Patients | 470 |
| Total drug cost | $74,638 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
Hospital affiliation
- Methodist Medical Center of Oak RidgeOak Ridge, TN
Industry payments (Open Payments)
- 2025$469.84 · 31 payments from 10 companies
- 2024$477.47 · 30 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $224.80 | 16 |
| Glaxosmithkline, LLC. | $66.82 | 4 |
| Novo Nordisk Inc | $47.04 | 3 |
| Phathom Pharmaceuticals, Inc. | $30.61 | 2 |
| Astrazeneca Pharmaceuticals LP | $21.90 | 1 |
What the 2025 payments were for
- Food and Beverage$469.84 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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