Ralph Diner, PH.D, M.S.C.P.
NPI 1801988431 · Clinical Psychologist · Encino, CA
Enrolled with Medicare as Practitioner - Psychologist Billing Independently · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Diner, PH.D, M.S.C.P. is a Clinical Psychologist provider in Encino, CA (NPI 1801988431).
Provider details
- NPI number
- 1801988431
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D, M.S.C.P.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PC7457 (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
19 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
- 2006-09-29
- Last updated
- 2019-03-07
Frequently asked questions
- What is Ralph Diner's NPI number?
- Ralph Diner's National Provider Identifier (NPI) is 1801988431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Diner's specialty?
- Ralph Diner is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ralph Diner located?
- Ralph Diner's practice location on file with NPPES is 16944 Ventura Blvd Ste 10, Encino, CA 91316-4161.
- What is Ralph Diner's phone number?
- The practice phone number listed in the NPPES registry for Ralph Diner is (818) 231-2164.
- Does Ralph Diner accept Medicare?
- Ralph Diner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Diner's NPI active?
- Yes — Ralph Diner's NPI (1801988431) is active in the NPPES registry as of the last update on 2019-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.