Quick answers
- Does Wenjia Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Wenjia Zhang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Wenjia Zhang see?
- In 2024, CMS data shows 16 Original Medicare patients and 29 services for Wenjia Zhang. This counts Original Medicare only and measures volume, not quality.
- What is Wenjia Zhang's NPI number?
- 1528452661. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Wenjia Zhang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 16 |
|---|---|
| Services billed to Medicare | 29 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 58 |
Hospitals where Wenjia Zhang works
Medicare's Facility Affiliation Data lists Wenjia Zhang at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Zuckerberg San Francisco General Hospital & Trauma CenterSan Francisco, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050228
Practice locations
Addresses where Wenjia Zhang is enrolled with Medicare (CMS data updated October 2, 2026).
- 1001 Potrero AveSan Francisco, CA 94110
- 1001 Potrero Ave Bldg 80 Ward 83, Suite 32San Francisco, CA 94110 (628) 206‑8610
- 2330 Post StSan Francisco, CA 94115 (415) 476‑4029
- 400 Parnassus AveSan Francisco, CA 94143
Group practices
Medicare enrollment lists Wenjia Zhang as a member of these groups (CMS data updated October 2, 2026).
- University of California San Francisco1,839 clinicians in the group
- UCSF Medical Group Business Services1,598 clinicians in the group
- University of California SFGH Medical Group587 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in University of California San Francisco
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1528452661 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians