Stephan Hambaz, MD
NPI 1972918001ActiveIndividual· Internal Medicine, Infectious Disease· Tulsa, OK
Internal Medicine, Infectious Disease (MD) in Tulsa, Oklahoma, licensed in OK, with an NPI issued in June 2014. 153 Medicare patients in 2024, $19,911 paid; all of their 196 Part D prescriptions were generic.
Overview
| NPI | 1972918001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 27, 2014 |
| Last updated in NPPES | Jul 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 34476 | OK |
| Hospitalist | 208M00000X | 34476 | 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 - Infectious Disease (MD); Practitioner - Infectious Disease (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 153 |
|---|---|
| Services billed | 312 across 8 procedure codes |
| Paid by Medicare | $19,911 |
Part D prescriptions in 2024
| Prescriptions (claims) | 196 · 218 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $16,513 |
| Generic share | 100% of claims |
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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