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William Anderson, M.D.
NPI 1144261322 · Psychiatry Physician · San Francisco, CA
William Anderson, M.D. is a Psychiatry Physician provider in San Francisco, CA (NPI 1144261322).
Provider details
- NPI number
- 1144261322
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A21059 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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.
Practice location
3331 Sacramento St
San Francisco, CA 94118-1911
Phone: (415) 563-1223
Fax: (415) 389-1266
Street-level locationGet directions
Mailing address
3331 Sacramento St
San Francisco, CA 94118-1911
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Anderson's NPI number?
- William Anderson's National Provider Identifier (NPI) is 1144261322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Anderson's specialty?
- William Anderson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Anderson located?
- William Anderson's practice location on file with NPPES is 3331 Sacramento St, San Francisco, CA 94118-1911.
- What is William Anderson's phone number?
- The practice phone number listed in the NPPES registry for William Anderson is (415) 563-1223.
- Is William Anderson's NPI active?
- Yes — William Anderson's NPI (1144261322) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.