NPPES file of Aug 9, 2026

Colin J. Gallagher, PH.D.

Clinical Psychologist · Los Angeles, CA

Colin J. Gallagher, PH.D. is a clinical psychologist with a practice address in Los Angeles, California, and NPI 1699394270, issued on Apr 13, 2020. Check the license (California PSY31739, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1699394270
Name
Colin J. Gallagher
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
PSY31739 CA
31739 CA
Self-reported in NPPES; status is on the state search
Practice location
760 Westwood Plz, Los Angeles, CA 90095
Phone
(310) 206-9326
Enumerated
Apr 13, 2020
Record last updated
Sep 19, 2025
Medicare enrollment
Enrolled (PECOS I20250703002291); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 760 Westwood Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zachary Blumenfeld, MD, PHDStudent in an Organized Health Care Education/Training Program1487486106
  2. Xavier Cagigas, PH.D.Clinical Psychologist1992952816
  3. Shawna Chan, MDPsychiatry Physician1326676321
  4. Lindsay EmbreeClinical Neuropsychologist1386047587
  5. Reina Factor, PHDClinical Psychologist1679282438
  6. Theodore Hutman, PH.D.Intellectual & Developmental Disabilities Psychologist1730438227

Verify Colin J. Gallagher 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 PSY31739
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. UC RegentsLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Colin J. Gallagher among 12,647 clinical psychologist records in California

Colin J. Gallagher, 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. Its NPI, issued in 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 9% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2018 · median 2006 among the 2,424 with a school on file
  • Record last updated2025 · 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.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Veronica Barenstein, PHDLos Angeles, CA 900951114958154
  2. Carrie Bearden, PH.DLos Angeles, CA 900951194750919
  3. Ronnie Bergman, PHDLos Angeles, CA 900951528093820
  4. Karin Best, PHDLos Angeles, CA 900951689609901
  5. Susan Bookheimer, PHDLos Angeles, CA 900951609807569
  6. Brenda Bursch, PHDLos Angeles, CA 900951558396663
  7. Susanna Chang, PHDLos Angeles, CA 900951518982602
  8. Melissa Delhomme, PHDLos Angeles, CA 900951801811617

Common questions

What is Colin J. Gallagher, PH.D.'s NPI number?

Colin J. Gallagher, PH.D.'s National Provider Identifier (NPI) is 1699394270, issued on Apr 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Colin J. Gallagher, PH.D. located?

The NPPES record lists a practice address at 760 Westwood Plz, Los Angeles, CA, 90095. Phone: (310) 206-9326. Providers update this record themselves, so call before visiting.

How can I verify Colin J. Gallagher, PH.D.'s license?

NPPES lists California license number PSY31739, 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. Medicare files from data.cms.gov. 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.