Michael Yu Zhang, M.D., PH.D.
NPI 1861856718ActiveIndividual· Radiology, Radiation Oncology· Vallejo, CA
Radiology, Radiation Oncology (M.D., PH.D.) in Vallejo, California, trained at University of Washington School of Medicine (class of 2016). 161 Medicare patients in 2024, $169,886 paid; nearly all of their 211 Part D prescriptions were generic (97%). Elekta, Inc. was the largest of 3 companies reporting payments in 2025, $1,307 in all, mostly travel and lodging.
Overview
| NPI | 1861856718 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Apr 7, 2016 |
| Last updated in NPPES | Oct 26, 2022 |
| Certified by provider | Oct 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A155764 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 161 |
|---|---|
| Services billed | 2,104 across 30 procedure codes |
| Paid by Medicare | $169,886 |
Part D prescriptions in 2024
| Prescriptions (claims) | 211 · 402 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $4,223 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Northern California Radiation Therapists and Oncologists Medical GroupSan Francisco, CA · 8 clinicians
Hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Northbay Medical CenterFairfield, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Solano Medical CenterVallejo, CA
Other facilities
- Sutter Care at HomeHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$1,307 · 6 payments from 3 companies
- 2024$466.59 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Elekta, Inc. | $1,130 | 4 |
| Novocure Inc. | $149.48 | 1 |
| W. L. Gore & Associates, Inc. | $27.72 | 1 |
What the 2025 payments were for
- Travel and Lodging$954.37 · 1 payment
- Food and Beverage$353.01 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records