John Michael Cook, MD
NPI 1316905250ActiveIndividual· Internal Medicine· Tulsa, OK
Internal Medicine (MD) in Tulsa, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1990). 322 Medicare patients in 2024, $73,579 paid; nearly all of their 317 Part D prescriptions were generic (95%).
Overview
| NPI | 1316905250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2006 |
| Last updated in NPPES | Nov 12, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 17687 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 322 |
|---|---|
| Services billed | 1,007 across 7 procedure codes |
| Paid by Medicare | $73,579 |
Part D prescriptions in 2024
| Prescriptions (claims) | 317 · 326 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $14,079 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
Medical group
- Usacs Observation Medicine Services of Oklahoma, LLCTulsa, OK · 210 clinicians
Hospital affiliation
- Ascension St John Medical CenterTulsa, OK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 373 internal medicine physicians in Tulsa · All internal medicine physicians in Oklahoma