Justin Williams, CADC-I
NPI 1225636541 · Adult Companion · Modesto, CA
Justin Williams, CADC-I is a Adult Companion provider in Modesto, CA (NPI 1225636541).
Provider details
- NPI number
- 1225636541
- Entity type
- Individual
- Primary specialty
- Adult CompanionNursing Service Related Providers
- Credential
- CADC-I
- Sex
- Male
- Sole proprietor
- Yes
- License
- R1406751020 (CA)
Specialties & taxonomies
Nursing Service Related 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
5 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
- 2020-10-09
- Last updated
- 2025-05-20
- Certified
- 2025-05-20
Frequently asked questions
- What is Justin Williams's NPI number?
- Justin Williams's National Provider Identifier (NPI) is 1225636541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Williams's specialty?
- Justin Williams is listed in the NPPES registry with a primary specialty of Adult Companion (Nursing Service Related Providers).
- Where is Justin Williams located?
- Justin Williams's practice location on file with NPPES is 121 Downey Ave, Modesto, CA 95354-1208.
- What is Justin Williams's phone number?
- The practice phone number listed in the NPPES registry for Justin Williams is (209) 341-1824.
- Is Justin Williams's NPI active?
- Yes — Justin Williams's NPI (1225636541) is active in the NPPES registry as of the last update on 2025-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.