William Ng, M.B.B.S. (M.D.)
NPI 1083007660 · Anesthesiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ng, M.B.B.S. (M.D.) is a Anesthesiology Physician provider in San Francisco, CA (NPI 1083007660).
Provider details
- NPI number
- 1083007660
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.B.B.S. (M.D.)
- Sex
- Male
- Sole proprietor
- No
- License
- F 459 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 1975 4th StUcsf Children'S Hospital, Department of AnesthesiaSan Francisco, CA 94143-2351Phone: (857) 330-7399Fax: (415) 390-9151
Registry dates
- Enumerated
- 2015-03-06
- Last updated
- 2024-09-18
- Certified
- 2024-09-18
Frequently asked questions
- What is William Ng's NPI number?
- William Ng's National Provider Identifier (NPI) is 1083007660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ng's specialty?
- William Ng is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Ng located?
- William Ng's practice location on file with NPPES is 500 Parnassus Ave Fl Union4, San Francisco, CA 94143-2203.
- What is William Ng's phone number?
- The practice phone number listed in the NPPES registry for William Ng is (415) 476-9035.
- Does William Ng accept Medicare?
- William Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ng's NPI active?
- Yes — William Ng's NPI (1083007660) is active in the NPPES registry as of the last update on 2024-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.