Andrew Yellen, PHD
NPI 1447028303 · Clinical Psychologist · Westlake Village, CA
Andrew Yellen, PHD is a Clinical Psychologist provider in Westlake Village, CA (NPI 1447028303).
Provider details
- NPI number
- 1447028303
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY10756 (CA)
Specialties & taxonomies
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
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 32129 Lindero Canyon RdWestlake Village, CA 91361-4207Phone: (818) 720-4769
Registry dates
- Enumerated
- 2023-12-19
- Last updated
- 2023-12-19
- Certified
- 2023-12-19
Frequently asked questions
- What is Andrew Yellen's NPI number?
- Andrew Yellen's National Provider Identifier (NPI) is 1447028303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Yellen's specialty?
- Andrew Yellen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Andrew Yellen located?
- Andrew Yellen's practice location on file with NPPES is 32119 Harborview Ln, Westlake Village, CA 91361-3611.
- What is Andrew Yellen's phone number?
- The practice phone number listed in the NPPES registry for Andrew Yellen is (818) 720-7469.
- Is Andrew Yellen's NPI active?
- Yes — Andrew Yellen's NPI (1447028303) is active in the NPPES registry as of the last update on 2023-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.