Terence Williams, M.D.
NPI 1003939133ActiveIndividual· Radiology, Radiation Oncology· Duarte, CA
Radiology, Radiation Oncology (M.D.) with City of Hope Medical Foundation, practicing in Duarte, California. Medicare paid $14,170 for services to 16 patients in 2024. Siemens Medical Solutions USA, Inc. was the largest of 3 companies reporting payments in 2025, $160.42 in all, mostly food and beverage.
Overview
| NPI | 1003939133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | May 13, 2021 |
| Certified by provider | May 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | C171532 | CA |
| Radiology, Radiation Oncology | 2085R0001X | 35.097376 | OH |
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 - Radiation Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 155 across 18 procedure codes |
| Paid by Medicare | $14,170 |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Radiation Oncology |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$160.42 · 4 payments from 3 companies
- 2024$1,163 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $101.69 | 2 |
| Empnia, Inc. | $43.88 | 1 |
| Reflexion Medical, Inc. | $14.85 | 1 |
What the 2025 payments were for
- Food and Beverage$160.42 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 radiation oncologists in Duarte · All radiation oncologists in California