Thalia Williams
NPI 1235963810 · Marriage & Family Therapist · San Francisco, CA
Thalia Williams is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1235963810).
Provider details
- NPI number
- 1235963810
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 17502 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-08-27
- Last updated
- 2024-09-23
- Certified
- 2024-09-23
Frequently asked questions
- What is Thalia Williams's NPI number?
- Thalia Williams's National Provider Identifier (NPI) is 1235963810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thalia Williams's specialty?
- Thalia Williams is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Thalia Williams located?
- Thalia Williams's practice location on file with NPPES is 3450 3rd St Ste 1c, San Francisco, CA 94124-1444.
- What is Thalia Williams's phone number?
- The practice phone number listed in the NPPES registry for Thalia Williams is (415) 437-3990.
- Is Thalia Williams's NPI active?
- Yes — Thalia Williams's NPI (1235963810) is active in the NPPES registry as of the last update on 2024-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.