Kenneth John Kirk, MD
NPI 1073521332ActiveIndividual· Internal Medicine, Geriatric Medicine· Tulsa, OK
Internal Medicine, Geriatric Medicine (MD) in Tulsa, Oklahoma, licensed in OK, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $417,584 for 6,994 claims, against $37,792 paid for services in 2024. Collegium Pharmaceutical, Inc. reported $17.68 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1073521332 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 3, 2006 |
| Last updated in NPPES | Nov 1, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 15217 | OK |
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 - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 513 across 13 procedure codes |
| Paid by Medicare | $37,792 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,994 · 7,454 30-day fills |
|---|---|
| Patients | 951 |
| Total drug cost | $417,584 |
| Generic share | 94% of claims |
Industry payments (Open Payments)
- 2025$17.68 · 1 payment from 1 company
- 2024$67.97 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $17.68 | 1 |
What the 2025 payments were for
- Food and Beverage$17.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Geriatric Medicine providers in Tulsa
- 1730214362
- 1013129329
- 1730444746
- 1528038981
- 1720058191
- 1568550051
All Internal Medicine, Geriatric Medicine providers in Oklahoma →