Kevin Williamson
NPI 1356963342 · Marriage & Family Therapist · Fremont, CA
Kevin Williamson is a Marriage & Family Therapist provider in Fremont, CA (NPI 1356963342).
Provider details
- NPI number
- 1356963342
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 131819 (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
6 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
- 2020-05-12
- Last updated
- 2022-03-17
- Certified
- 2022-03-17
Frequently asked questions
- What is Kevin Williamson's NPI number?
- Kevin Williamson's National Provider Identifier (NPI) is 1356963342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kevin Williamson's specialty?
- Kevin Williamson is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Kevin Williamson located?
- Kevin Williamson's practice location on file with NPPES is 39155 Liberty St Ste E500, Fremont, CA 94538-1516.
- What is Kevin Williamson's phone number?
- The practice phone number listed in the NPPES registry for Kevin Williamson is (510) 574-2100.
- Is Kevin Williamson's NPI active?
- Yes — Kevin Williamson's NPI (1356963342) is active in the NPPES registry as of the last update on 2022-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.