Gregory Don Balcerak, DO
NPI 1538839154ActiveIndividual· Internal Medicine· Stillwater, OK
Internal Medicine (DO) in Stillwater, Oklahoma, trained at Oklahoma State University College of Osteopathic Medicine (class of 2023). Part D covered 98 prescriptions written in 2024, 89% of them generic.
Overview
| NPI | 1538839154 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 15, 2021 |
| Last updated in NPPES | Jul 27, 2026 |
| Certified by provider | Jul 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 8596 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 98 · 141 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $7,705 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- O U Medical CenterOklahoma City, 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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