Gretchen Baker
NPI 1861163446 · Occupational Therapist · Westlake Village, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Baker is a Occupational Therapist provider in Westlake Village, CA (NPI 1861163446).
Provider details
- NPI number
- 1861163446
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 19577 (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
4 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
- 2021-09-23
- Last updated
- 2021-09-23
- Certified
- 2021-09-23
Frequently asked questions
- What is Gretchen Baker's NPI number?
- Gretchen Baker's National Provider Identifier (NPI) is 1861163446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Baker's specialty?
- Gretchen Baker is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gretchen Baker located?
- Gretchen Baker's practice location on file with NPPES is 31248 Oak Crest Dr Ste 120, Westlake Village, CA 91361-5673.
- What is Gretchen Baker's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Baker is (818) 926-9057.
- Does Gretchen Baker accept Medicare?
- Gretchen Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Baker's NPI active?
- Yes — Gretchen Baker's NPI (1861163446) is active in the NPPES registry as of the last update on 2021-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.