William Zhu, MD
NPI 1164885281 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Zhu, MD is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1164885281).
Provider details
- NPI number
- 1164885281
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 59 | 20 |
| Gabapentin | 48 | 14 |
| Escitalopram Oxalate | 48 | 18 |
| Clozapine | 44 | — |
| Lamotrigine | 41 | 16 |
| Trazodone Hcl | 36 | 17 |
| Duloxetine Hcl | 34 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-05
- Last updated
- 2021-12-20
Frequently asked questions
- What is William Zhu's NPI number?
- William Zhu's National Provider Identifier (NPI) is 1164885281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zhu's specialty?
- William Zhu is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is William Zhu located?
- William Zhu's practice location on file with NPPES is 401 Parnassus Ave, San Francisco, CA 94143-2211.
- What is William Zhu's phone number?
- The practice phone number listed in the NPPES registry for William Zhu is (415) 476-7527.
- Does William Zhu accept Medicare?
- William Zhu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Zhu's NPI active?
- Yes — William Zhu's NPI (1164885281) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.