Aminu M. Birhan, M.D.
NPI 1659507788ActiveIndividual· Internal Medicine· Lancaster, CA
Internal Medicine (M.D.) with Southern California Permanente Medical Group, practicing in Lancaster, California. Part D covered 1,487 prescriptions written in 2024, 73% of them generic. Lists Kaiser Foundation Hospital - South Bay as a hospital affiliation.
Overview
| NPI | 1659507788 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 3, 2009 |
| Last updated in NPPES | Jan 6, 2026 |
| Certified by provider | Jan 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A94185 | CA |
| Internal Medicine | 207R00000X | MD70065298 | WA |
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 (CA); Practitioner - Hematology/Oncology (HI); Practitioner - Internal Medicine (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,487 · 2,110 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $5,871,417 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - South BayHarbor City, CA
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 79 internal medicine physicians in Lancaster · All internal medicine physicians in California