Sierra Westerholm, OTR/L
NPI 1154263325 · Occupational Therapist · Glendale, CA
Sierra Westerholm, OTR/L is a Occupational Therapist provider in Glendale, CA (NPI 1154263325).
Provider details
- NPI number
- 1154263325
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- No
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
Under 1 yr in 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
- 2026-04-07
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Sierra Westerholm's NPI number?
- Sierra Westerholm's National Provider Identifier (NPI) is 1154263325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Westerholm's specialty?
- Sierra Westerholm is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sierra Westerholm located?
- Sierra Westerholm's practice location on file with NPPES is 912 S Chevy Chase Dr, Glendale, CA 91205-2540.
- What is Sierra Westerholm's phone number?
- The practice phone number listed in the NPPES registry for Sierra Westerholm is (818) 241-4848.
- Is Sierra Westerholm's NPI active?
- Yes — Sierra Westerholm's NPI (1154263325) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.