Elizabeth Ollen, PHD
NPI 1508346883 · Clinical Psychologist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Ollen, PHD is a Clinical Psychologist provider in Los Angeles, CA (NPI 1508346883).
Provider details
- NPI number
- 1508346883
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY31077 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
7 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
- 2018-08-16
- Last updated
- 2025-01-28
- Certified
- 2025-01-21
Frequently asked questions
- What is Elizabeth Ollen's NPI number?
- Elizabeth Ollen's National Provider Identifier (NPI) is 1508346883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Ollen's specialty?
- Elizabeth Ollen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Elizabeth Ollen located?
- Elizabeth Ollen's practice location on file with NPPES is 1849 Sawtelle Blvd Ste 740, Los Angeles, CA 90025-7082.
- What is Elizabeth Ollen's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Ollen is (424) 442-0112.
- Does Elizabeth Ollen accept Medicare?
- Elizabeth Ollen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Ollen's NPI active?
- Yes — Elizabeth Ollen's NPI (1508346883) is active in the NPPES registry as of the last update on 2025-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.