NPPES file of Aug 9, 2026

Courtney James Thomas, PSYD

Psychologist · Oakland, CA

Courtney James Thomas, PSYD is a psychologist with a practice address in Oakland, California, and NPI 1194913327, issued on Oct 12, 2007. Check the license (California PSY28843, 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
1194913327
Name
Courtney James Thomas
Credential
PSYD
Primary taxonomy
Psychologist 103T00000X
License number
PSY28843 CA
Self-reported in NPPES; status is on the state search
Practice location
600 Grand Ave Unit 301, Oakland, CA 94610
Phone
(510) 698-9311
Enumerated
Oct 12, 2007
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210817002475); 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.
Download card Updates feed

Verify Courtney James Thomas 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 PSY28843
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Permanente Medical Group IncVallejo, CA

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

Courtney James Thomas among 7,304 psychologist records in California

Courtney James Thomas, PSYD 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. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 64% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated2009 · median 2005 among the 1,058 with a school on file
  • Record last updated2018 · 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).

257 psychologist records list a practice address in Oakland

They are 257 of the 18,558 NPPES records with a practice address in Oakland, and 7,304 psychologist records in California.

The 8 psychologist records with the nearest ZIP codes

  1. Diane Ehrensaft, PHDOakland, CA 946101770782591
  2. Susan Fair, PH.D.Oakland, CA 946101396760708
  3. Paul Gaiser, PSYDOakland, CA 946101275654824
  4. Danielle Goodmann, PHDOakland, CA 946101982079877
  5. Ann Gordon, PH.D.Oakland, CA 946101659709228
  6. Linda Hohlweg, PH DOakland, CA 946101265585053
  7. Ortal Kirson-Trilling, PSY.D.Oakland, CA 946101447899950
  8. Gloria LawrenceOakland, CA 946101346305794

Common questions

What is Courtney James Thomas, PSYD's NPI number?

Courtney James Thomas, PSYD's National Provider Identifier (NPI) is 1194913327, issued on Oct 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Courtney James Thomas, PSYD located?

The NPPES record lists a practice address at 600 Grand Ave Unit 301, Oakland, CA, 94610. Phone: (510) 698-9311. Providers update this record themselves, so call before visiting.

How can I verify Courtney James Thomas, PSYD's license?

NPPES lists California license number PSY28843, 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.