Joseph P. Parker, M.D.
NPI 1013908730ActiveIndividual· Internal Medicine, Gastroenterology· Nashville, TN
Internal Medicine, Gastroenterology (M.D.) in Nashville, Tennessee, trained at Medical College of Ohio (class of 1999). Medicare paid $145,582 for services to 802 patients in 2024, and Part D covered 1,092 of their prescriptions (89% generic). Lilly USA, LLC reported $21.80 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1013908730 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Oct 25, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD35032 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 802 |
|---|---|
| Services billed | 2,965 across 73 procedure codes |
| Paid by Medicare | $145,582 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,092 · 1,779 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $366,215 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
Medical group
- Heritage Medical Associates PCBrentwood, TN · 164 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Tristar Centennial Medical CenterNashville, TN
Industry payments (Open Payments)
- 2025$21.80 · 1 payment from 1 company
- 2024$43.08 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $21.80 | 1 |
What the 2025 payments were for
- Food and Beverage$21.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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