IndividualActive
William Barnard, M.D.
NPI 1477602449 · Psychiatry Physician · San Rafael, CA
William Barnard, M.D. is a Psychiatry Physician provider in San Rafael, CA (NPI 1477602449).
Provider details
- NPI number
- 1477602449
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C40925 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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.
Practice location
1600 Los Gamos Dr
Suite 300
San Rafael, CA 94903-1806
Phone: (415) 491-7231
Fax: (415) 472-8184
Street-level locationGet directions
Mailing address
2030 Vallejo St
San Francisco, CA 94123-4864
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Barnard's NPI number?
- William Barnard's National Provider Identifier (NPI) is 1477602449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Barnard's specialty?
- William Barnard is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Barnard located?
- William Barnard's practice location on file with NPPES is 1600 Los Gamos Dr, San Rafael, CA 94903-1806.
- What is William Barnard's phone number?
- The practice phone number listed in the NPPES registry for William Barnard is (415) 491-7231.
- Is William Barnard's NPI active?
- Yes — William Barnard's NPI (1477602449) 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.