Barbara Williams, M.D.
NPI 1114163045 · Psychiatry Physician · San Luis Obispo, CA
Barbara Williams, M.D. is a Psychiatry Physician provider in San Luis Obispo, CA (NPI 1114163045).
Provider details
- NPI number
- 1114163045
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C41795 (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
17 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
Mailing address
Registry dates
- Enumerated
- 2008-12-24
- Last updated
- 2008-12-24
Frequently asked questions
- What is Barbara Williams's NPI number?
- Barbara Williams's National Provider Identifier (NPI) is 1114163045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Williams's specialty?
- Barbara Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Williams located?
- Barbara Williams's practice location on file with NPPES is Hwy 1, San Luis Obispo, CA 93409.
- What is Barbara Williams's phone number?
- The practice phone number listed in the NPPES registry for Barbara Williams is (805) 547-7900.
- Is Barbara Williams's NPI active?
- Yes — Barbara Williams's NPI (1114163045) is active in the NPPES registry as of the last update on 2008-12-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.