Jefferson Pierce Gillum, DO
NPI 1891290656ActiveIndividual· Internal Medicine· Oak Ridge, TN
Internal Medicine (DO) in Oak Ridge, Tennessee, trained at University of Pikeville, Kentucky College of Osteopathic Med (class of 2018). In 2024 Medicare paid $66,027 for 237 patients, and Part D covered 724 of their prescriptions, 89% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $82.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1891290656 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 26, 2018 |
| Last updated in NPPES | Aug 13, 2021 |
| Certified by provider | Apr 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4359 | TN |
| Hospitalist | 208M00000X | . | TN |
| Hospitalist | 208M00000X | 0000004359 | TN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 237 |
|---|---|
| Services billed | 820 across 8 procedure codes |
| Paid by Medicare | $66,027 |
Part D prescriptions in 2024
| Prescriptions (claims) | 724 · 848 30-day fills |
|---|---|
| Patients | 229 |
| Total drug cost | $32,153 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Pikeville, Kentucky College of Osteopathic Med |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
Medical group
- Hospital Medicine Services of Tennessee PCNashville, TN · 162 clinicians
Hospital affiliation
- Methodist Medical Center of Oak RidgeOak Ridge, TN
Other facilities
- Amedisys Home Health CareHome health agency · Knoxville, TN
- Covenant HomecareHome health agency · Knoxville, TN
Industry payments (Open Payments)
- 2025$82.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $82.25 | 1 |
What the 2025 payments were for
- Food and Beverage$82.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 internal medicine physicians in Oak Ridge · All internal medicine physicians in Tennessee