NPPES file of Aug 9, 2026

Gregory Alan Leskin, PH.D.

Clinical Psychologist · Los Angeles, CA

Gregory Alan Leskin, PH.D. is a clinical psychologist with a practice address in Los Angeles, California, and NPI 1023101904, issued on Oct 2, 2006. Check the license (California PSY25345, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023101904
Name
Gregory Alan Leskin
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY25345 CA
Self-reported in NPPES; status is on the state search
Practice location
11150 W. Olympic Blvd., Los Angeles, CA 90064
Phone
(310) 235-2633
Enumerated
Oct 2, 2006
Record last updated
Nov 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(310) 235-2612
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Gregory Alan Leskin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY25345
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Gregory Alan Leskin among 12,647 clinical psychologist records in California

Gregory Alan Leskin, PH.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 80% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2012 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,268 clinical psychologist records list a practice address in Los Angeles

They are 1,268 of the 69,537 NPPES records with a practice address in Los Angeles, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Jody Brandt, PH.DLos Angeles, CA 900641952475105
  2. Doris Chun, PH.D.Los Angeles, CA 900641861416711
  3. Elizabeth Farr, PHDLos Angeles, CA 900641285715763
  4. Mark Fish, PHDLos Angeles, CA 900641598878803
  5. Sandra Sarnoff, PHDLos Angeles, CA 900641922172014
  6. Jennifer Sharples, PSY.D.Los Angeles, CA 900641689600744
  7. Laurie Stone, PH.D.Los Angeles, CA 900641679548812
  8. Bonnie Tucker, PH.D.Los Angeles, CA 900641821187006

Common questions

What is Gregory Alan Leskin, PH.D.'s NPI number?

Gregory Alan Leskin, PH.D.'s National Provider Identifier (NPI) is 1023101904, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Alan Leskin, PH.D. located?

The NPPES record lists a practice address at 11150 W. Olympic Blvd., Los Angeles, CA, 90064. Phone: (310) 235-2633. Providers update this record themselves, so call before visiting.

How can I verify Gregory Alan Leskin, PH.D.'s license?

NPPES lists California license number PSY25345, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.