John Calvin Horner, M.D.
NPI 1760414635ActiveIndividual· Internal Medicine· Morristown, TN
Internal Medicine (M.D.) in Morristown, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $350,477 for 7,043 claims, against $57,354 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $374.79 in all, mostly debt forgiveness.
Overview
| NPI | 1760414635 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Jan 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 014291 | 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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 431 |
|---|---|
| Services billed | 1,441 across 32 procedure codes |
| Paid by Medicare | $57,354 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,043 · 11,290 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $350,477 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Morristown Hamblen Hospital AssociationMorristown, TN
Other facilities
- Amedisys Home Health CareHome health agency · Morristown, TN
- The Heritage CenterNursing home · Morristown, TN
Industry payments (Open Payments)
- 2025$374.79 · 3 payments from 2 companies
- 2024$116.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $236.50 | 2 |
| Baxter Healthcare | $138.29 | 1 |
What the 2025 payments were for
- Debt forgiveness$138.29 · 1 payment
- Food and Beverage$120.50 · 1 payment
- Education$116.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in Morristown · All internal medicine physicians in Tennessee