Colin Williams
NPI 1902068943 · Marriage & Family Therapist · Sacramento, CA
Colin Williams is a Marriage & Family Therapist provider in Sacramento, CA (NPI 1902068943).
Provider details
- NPI number
- 1902068943
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 73588 (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
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
- 2008-07-01
- Last updated
- 2013-05-07
Frequently asked questions
- What is Colin Williams's NPI number?
- Colin Williams's National Provider Identifier (NPI) is 1902068943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Williams's specialty?
- Colin Williams is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Colin Williams located?
- Colin Williams's practice location on file with NPPES is 7245 E Southgate Dr, Sacramento, CA 95823-2620.
- What is Colin Williams's phone number?
- The practice phone number listed in the NPPES registry for Colin Williams is (916) 427-7141.
- Is Colin Williams's NPI active?
- Yes — Colin Williams's NPI (1902068943) is active in the NPPES registry as of the last update on 2013-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.