Thomas P. Joseph, MD
NPI 1861430092ActiveIndividual· Internal Medicine, Hematology & Oncology· Santa Clarita, CA
Internal Medicine, Hematology & Oncology (MD) with City of Hope Medical Foundation, practicing in Santa Clarita, California. In 2024 Medicare paid $2,411,734 for 585 patients, and Part D covered 1,144 of their prescriptions, 79% of them generic. Astrazeneca Pharmaceuticals LP reported $43.16 in payments in 2025, mostly education. Lists Henry Mayo Newhall Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1861430092 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Nov 5, 2020 |
| Certified by provider | Nov 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A94387 | CA |
| Internal Medicine, Hematology | 207RH0000X | A94387 | 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 | 585 |
|---|---|
| Services billed | 114,872 across 111 procedure codes |
| Paid by Medicare | $2,411,734 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,144 · 1,746 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $1,999,059 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Hospital affiliations
- Henry Mayo Newhall HospitalValencia, CA
- Providence Holy Cross Medical CenterMission Hills, CA
Industry payments (Open Payments)
- 2025$43.16 · 1 payment from 1 company
- 2024$758.65 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $43.16 | 1 |
What the 2025 payments were for
- Education$43.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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