Gregg Christian Shepard, MD
NPI 1023205531ActiveIndividual· Internal Medicine, Hematology & Oncology· Nashville, TN
Internal Medicine, Hematology & Oncology (MD) in Nashville, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $3,885,285 for 1,168 claims, against $1,810,236 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 45 companies reporting payments in 2025, $4,275 in all, mostly food and beverage.
Overview
| NPI | 1023205531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 28, 2007 |
| Last updated in NPPES | Jun 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 43306 | 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 - Hematology/Oncology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 702 |
|---|---|
| Services billed | 109,026 across 183 procedure codes |
| Paid by Medicare | $1,810,236 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,168 · 1,418 30-day fills |
|---|---|
| Patients | 208 |
| Total drug cost | $3,885,285 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Tennessee Oncology PLLCNashville, TN · 358 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Saint Thomas River Park HospitalMcMinnville, TN
- Williamson Medical CenterFranklin, TN
Industry payments (Open Payments)
- 2025$4,275 · 147 payments from 45 companies
- 2024$2,460 · 99 payments from 42 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $384.73 | 14 |
| Merck Sharp & Dohme LLC | $375.85 | 10 |
| Novartis Pharmaceuticals Corporation | $264.53 | 10 |
| Janssen Biotech, Inc. | $231.09 | 10 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $216.01 | 3 |
What the 2025 payments were for
- Food and Beverage$4,275 · 147 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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