Robert Eugene Chalmers, DO
NPI 1760911879ActiveIndividual· Family Medicine· Oak Ridge, TN
Family Medicine (DO) with Summit Medical Group, PLLC, practicing in Oak Ridge, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $501,496 for 5,111 claims, against $86,668 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $404.48 in all, mostly food and beverage. Lists Methodist Medical Center of Oak Ridge as a hospital affiliation.
Overview
| NPI | 1760911879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 12, 2017 |
| Last updated in NPPES | Jul 2, 2020 |
| Certified by provider | Jul 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 3656 | 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 - Family Practice (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 149 |
|---|---|
| Services billed | 3,157 across 112 procedure codes |
| Paid by Medicare | $86,668 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,111 · 9,604 30-day fills |
|---|---|
| Patients | 272 |
| Total drug cost | $501,496 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
Hospital affiliation
- Methodist Medical Center of Oak RidgeOak Ridge, TN
Other facilities
- Covenant HomecareHome health agency · Knoxville, TN
- Nhc Homecare KnoxvilleHome health agency · Knoxville, TN
Industry payments (Open Payments)
- 2025$404.48 · 26 payments from 8 companies
- 2024$469.54 · 28 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $152.48 | 11 |
| Glaxosmithkline, LLC. | $96.57 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $56.55 | 3 |
| Novo Nordisk Inc | $33.05 | 2 |
| Pfizer Inc. | $19.33 | 1 |
What the 2025 payments were for
- Food and Beverage$347.93 · 23 payments
- Education$56.55 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 family medicine physicians in Oak Ridge · All family medicine physicians in Tennessee