NPPES file of Aug 9, 2026

Gina Hassan, PH.D.

Psychologist · Berkeley, CA

Gina Hassan, PH.D. is a psychologist with a practice address in Berkeley, California, and NPI 1043340599, issued on Mar 6, 2007. Check the license (California PSY13473, 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
1043340599
Name
Gina Hassan
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
PSY13473 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 Shattuck Ave Ste 200, Berkeley, CA 94709
Phone
(510) 644-1097
Enumerated
Mar 6, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Also registered at 1600 Shattuck Ave Ste 200

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

  1. Nancy Aldrich-RuenzelMental Health Counselor1922993716
  2. Julie ConquestProfessional Counselor1821917329
  3. Emma GoodfieldMental Health Counselor1215854377
  4. Gary Hoeber, MFTMarriage & Family Therapist1326203415
  5. Stephanie MontaguePsychologist1174779540
  6. Brett Wheeler, MFTMarriage & Family Therapist1710555420

Verify Gina Hassan 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 PSY13473
    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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Gina Hassan among 7,304 psychologist records in California

Gina Hassan, PH.D. is one of 7,304 psychologist records with a practice address in California. 6% 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 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 64% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

118 psychologist records list a practice address in Berkeley

They are 118 of the 4,898 NPPES records with a practice address in Berkeley, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychologist records with the nearest ZIP codes

  1. Richard Bush, PHDBerkeley, CA 947091205985496
  2. Laurie Case, PH.D.Berkeley, CA 947091932327459
  3. Elayne Chou, PH.D.Berkeley, CA 947091356551295
  4. James Jacobs, PH.D.Berkeley, CA 947091568528255
  5. Karl Knobler, PHDBerkeley, CA 947091477646545
  6. Margeaux Lieberman, PSY.D.Berkeley, CA 947091356596555
  7. Francisco Martinez, PSY.D.Berkeley, CA 947091215362280
  8. Emma McCulloch, PSY.D.Berkeley, CA 947091386907020

Common questions

What is Gina Hassan, PH.D.'s NPI number?

Gina Hassan, PH.D.'s National Provider Identifier (NPI) is 1043340599, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gina Hassan, PH.D. located?

The NPPES record lists a practice address at 1600 Shattuck Ave Ste 200, Berkeley, CA, 94709. Phone: (510) 644-1097. Providers update this record themselves, so call before visiting.

How can I verify Gina Hassan, PH.D.'s license?

NPPES lists California license number PSY13473, 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.