Alexander C. Black, MD
NPI 1104851500ActiveIndividual· Internal Medicine, Hematology & Oncology· Santa Clarita, CA
Internal Medicine, Hematology & Oncology (MD) with The Regents of the University of California, practicing in Santa Clarita, California. In 2024 Medicare paid $5,132,745 for 782 patients, and Part D covered 1,223 of their prescriptions, 81% of them generic. Amgen Inc. reported $32.72 in payments in 2025, mostly education. Lists Henry Mayo Newhall Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1104851500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Jan 7, 2020 |
| Certified by provider | Jan 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | G58928 | CA |
| Internal Medicine | 207R00000X | G58928 | CA |
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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 782 |
|---|---|
| Services billed | 206,543 across 121 procedure codes |
| Paid by Medicare | $5,132,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,223 · 2,137 30-day fills |
|---|---|
| Patients | 292 |
| Total drug cost | $1,951,581 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Henry Mayo Newhall HospitalValencia, CA
- Huntington HospitalPasadena, CA
- Ridgecrest Regional HospitalRidgecrest, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$32.72 · 1 payment from 1 company
- 2024$132.25 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $32.72 | 1 |
What the 2025 payments were for
- Education$32.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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