Mark Allan Fish, PHD
Clinical Psychologist · Los Angeles, CA
Mark Allan Fish, PHD is a clinical psychologist with a practice address in Los Angeles, California, and NPI 1598878803, issued on Aug 17, 2006. Check the license (California PSY5501, 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.
- Name
- Mark Allan Fish
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY5501 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2355 Westwood Blvd #717, Los Angeles, CA 90064
- Phone
- (310) 339-6405
- Enumerated
- Aug 17, 2006
- Record last updated
- May 14, 2025
- Fax
- (310) 645-9531
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Verify Mark Allan Fish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY5501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Allan Fish among 12,647 clinical psychologist records in California
Mark Allan Fish, PHD 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 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Los Angeles → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Jody Brandt, PH.DLos Angeles, CA 900641952475105
- Doris Chun, PH.D.Los Angeles, CA 900641861416711
- Elizabeth Farr, PHDLos Angeles, CA 900641285715763
- Gregory Leskin, PH.D.Los Angeles, CA 900641023101904
- Sandra Sarnoff, PHDLos Angeles, CA 900641922172014
- Jennifer Sharples, PSY.D.Los Angeles, CA 900641689600744
- Laurie Stone, PH.D.Los Angeles, CA 900641679548812
- Bonnie Tucker, PH.D.Los Angeles, CA 900641821187006
Common questions
What is Mark Allan Fish, PHD's NPI number?
Mark Allan Fish, PHD's National Provider Identifier (NPI) is 1598878803, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allan Fish, PHD located?
The NPPES record lists a practice address at 2355 Westwood Blvd #717, Los Angeles, CA, 90064. Phone: (310) 339-6405. Providers update this record themselves, so call before visiting.
How can I verify Mark Allan Fish, PHD's license?
NPPES lists California license number PSY5501, 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.