Ricardo Wang, MD
NPI 1639239833ActiveIndividual· Radiology, Radiation Oncology· Los Angeles, CA
Radiology, Radiation Oncology (MD) in Los Angeles, California, trained at University of Southern California Keck School of Medicine (class of 1995). 22 Medicare patients in 2024, $8,907 paid; nearly all of their 79 Part D prescriptions were generic (97%). Siemens Medical Solutions USA, Inc. was the largest of 5 companies reporting payments in 2025, $1,120 in all, mostly food and beverage.
Overview
| NPI | 1639239833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 11, 2006 |
| Last updated in NPPES | Nov 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A61006 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 22 |
|---|---|
| Services billed | 53 across 17 procedure codes |
| Paid by Medicare | $8,907 |
Part D prescriptions in 2024
| Prescriptions (claims) | 79 · 155 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $5,027 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Radiation Oncology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
- 2025$1,120 · 13 payments from 5 companies
- 2024$1,228 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $373.53 | 3 |
| Novocure Inc. | $250.19 | 3 |
| Pfizer Inc. | $239.19 | 3 |
| Brainlab, Inc. | $200.00 | 2 |
| Teleflex LLC | $56.94 | 2 |
What the 2025 payments were for
- Food and Beverage$1,120 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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