Sierra Williams, OTD, OTR/L
NPI 1699661280 · Occupational Therapist · West Hills, CA
Sierra Williams, OTD, OTR/L is a Occupational Therapist provider in West Hills, CA (NPI 1699661280).
Provider details
- NPI number
- 1699661280
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTD, OTR/L
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25127 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative 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
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
- 2025-06-18
- Last updated
- 2025-06-18
- Certified
- 2025-06-18
Frequently asked questions
- What is Sierra Williams's NPI number?
- Sierra Williams's National Provider Identifier (NPI) is 1699661280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Williams's specialty?
- Sierra Williams is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sierra Williams located?
- Sierra Williams's practice location on file with NPPES is 7300 Medical Center Dr, West Hills, CA 91307-1902.
- What is Sierra Williams's phone number?
- The practice phone number listed in the NPPES registry for Sierra Williams is (818) 676-4000.
- Is Sierra Williams's NPI active?
- Yes — Sierra Williams's NPI (1699661280) is active in the NPPES registry as of the last update on 2025-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.