Hannah Williams
NPI 1285399105 · Marriage & Family Therapist · Costa Mesa, CA
Hannah Williams is a Marriage & Family Therapist provider in Costa Mesa, CA (NPI 1285399105).
Provider details
- NPI number
- 1285399105
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 120028 (CA)
Specialties & taxonomies
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
4 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
- 2021-11-04
- Last updated
- 2021-11-05
- Certified
- 2021-11-05
Frequently asked questions
- What is Hannah Williams's NPI number?
- Hannah Williams's National Provider Identifier (NPI) is 1285399105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Williams's specialty?
- Hannah Williams is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Hannah Williams located?
- Hannah Williams's practice location on file with NPPES is 2900 Bristol St Ste H103, Costa Mesa, CA 92626-7916.
- What is Hannah Williams's phone number?
- The practice phone number listed in the NPPES registry for Hannah Williams is (714) 248-6892.
- Is Hannah Williams's NPI active?
- Yes — Hannah Williams's NPI (1285399105) is active in the NPPES registry as of the last update on 2021-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.