John Austin Kirby, M.D.
NPI 1275539835ActiveIndividual· Internal Medicine· Jefferson City, TN
Internal Medicine (M.D.) in Jefferson City, Tennessee, trained at Emory University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $872,822 for 9,310 claims, against $131,867 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 11 companies reporting payments in 2025, $439.97 in all, mostly food and beverage.
Overview
| NPI | 1275539835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 28, 2005 |
| Last updated in NPPES | Sep 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35319 | 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 | 259 |
|---|---|
| Services billed | 4,717 across 127 procedure codes |
| Paid by Medicare | $131,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,310 · 22,151 30-day fills |
|---|---|
| Patients | 551 |
| Total drug cost | $872,822 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Medical groups
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
- Volunteer Healthcare Services, Inc.Morristown, TN · 91 clinicians
Hospital affiliations
- Morristown Hamblen Hospital AssociationMorristown, TN
- Tennova Healthcare-Jefferson Memorial HospitalJefferson City, TN
Other facilities
- Amedisys Home Health CareHome health agency · Morristown, TN
- Amedisys Home Health CareHome health agency · Knoxville, TN
- University of Tn Medical Center Home Health ServHome health agency · Morristown, TN
Industry payments (Open Payments)
- 2025$439.97 · 21 payments from 11 companies
- 2024$361.33 · 22 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $92.22 | 5 |
| Novo Nordisk Inc | $80.78 | 4 |
| Sequel Med Tech, LLC | $58.77 | 2 |
| Heartflow, Inc. | $48.63 | 2 |
| E.R. Squibb & Sons, L.L.C. | $29.49 | 2 |
What the 2025 payments were for
- Food and Beverage$439.97 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 internal medicine physicians in Jefferson City · All internal medicine physicians in Tennessee