Calvin Williams
NPI 1063228203 · Day Training/Habilitation Specialist · Santa Ana, CA
Calvin Williams is a Day Training/Habilitation Specialist provider in Santa Ana, CA (NPI 1063228203).
Provider details
- NPI number
- 1063228203
- Entity type
- Individual
- Primary specialty
- Day Training/Habilitation SpecialistNursing Service Related Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Nursing Service Related Providers
Student, Health Care
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
83% 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
- 2024-12-03
- Last updated
- 2026-05-27
- Certified
- 2026-05-27
Frequently asked questions
- What is Calvin Williams's NPI number?
- Calvin Williams's National Provider Identifier (NPI) is 1063228203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Williams's specialty?
- Calvin Williams is listed in the NPPES registry with a primary specialty of Day Training/Habilitation Specialist (Nursing Service Related Providers).
- Where is Calvin Williams located?
- Calvin Williams's practice location on file with NPPES is 400 W Civic Center Dr, Santa Ana, CA 92701-4521.
- What is Calvin Williams's phone number?
- The practice phone number listed in the NPPES registry for Calvin Williams is (714) 834-2345.
- Is Calvin Williams's NPI active?
- Yes — Calvin Williams's NPI (1063228203) is active in the NPPES registry as of the last update on 2026-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.