Alyssa T. Watanabe, MD
NPI 1780660472ActiveIndividual· Radiology, Neuroradiology· Los Angeles, CA
Radiology, Neuroradiology (MD) in Los Angeles, California, trained at University of California, San Francisco School of Medicine (class of 1987). Medicare paid $51,339 for services to 304 patients in 2024. Si-Bone, Inc. was the largest of 3 companies reporting payments in 2025, $282.52 in all, mostly food and beverage.
Overview
| NPI | 1780660472 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 15, 2005 |
| Last updated in NPPES | Nov 29, 2021 |
| Certified by provider | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Neuroradiology Primary | 2085N0700X | G63862 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | G63862 | 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 - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 304 |
|---|---|
| Services billed | 524 across 17 procedure codes |
| Paid by Medicare | $51,339 |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
- Bedford Breast Center IncBeverly Hills, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$282.52 · 3 payments from 3 companies
- 2024$116.65 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Si-Bone, Inc. | $170.65 | 1 |
| Rti Surgical, Inc | $92.34 | 1 |
| Hologic Sales and Service, LLC | $19.53 | 1 |
What the 2025 payments were for
- Food and Beverage$282.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 Radiology, Neuroradiology providers in Los Angeles · All Radiology, Neuroradiology providers in California