William Wong, MD
NPI 1447339197 · Psychiatry Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wong, MD is a Psychiatry Physician provider in Redwood City, CA (NPI 1447339197).
Provider details
- NPI number
- 1447339197
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G77529 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 120 | 42 |
| Mirtazapine | 89 | 26 |
| Trazodone Hcl | 82 | 27 |
| Clozapine | 75 | — |
| Quetiapine Fumarate | 66 | 18 |
| Duloxetine Hcl | 61 | 23 |
| Lamotrigine | 53 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2021-12-03
Frequently asked questions
- What is William Wong's NPI number?
- William Wong's National Provider Identifier (NPI) is 1447339197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wong's specialty?
- William Wong is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Wong located?
- William Wong's practice location on file with NPPES is 1150 Veterans Blvd, Redwood City, CA 94063-2037.
- What is William Wong's phone number?
- The practice phone number listed in the NPPES registry for William Wong is (650) 299-2000.
- Does William Wong accept Medicare?
- William Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wong's NPI active?
- Yes — William Wong's NPI (1447339197) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.