William Thomas Joshua Johnson, PHD
Clinical Psychologist · Cerritos, CA
William Thomas Joshua Johnson, PHD is a clinical psychologist with a practice address in Cerritos, California, and NPI 1760810345, issued on Oct 17, 2013. Check the license (California 25976, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Thomas Joshua Johnson
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 25976 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17315 Studebaker RD Ste 105, Cerritos, CA 90703
- Phone
- (562) 999-4707
- Enumerated
- Oct 17, 2013
- Record last updated
- Dec 4, 2023
- Fax
- (877) 741-9754
- Medicare enrollment
- Enrolled (PECOS I20140421001901); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 17315 Studebaker RD Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenna Axelrod, PH.D.Clinical Neuropsychologist1861074502
Verify William Thomas Joshua Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 25976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- W Joshua Johnson Psychologist IncCerritos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Thomas Joshua Johnson among 12,647 clinical psychologist records in California
William Thomas Joshua Johnson, 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. Its NPI, issued in 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 29% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2011 · median 2006 among the 2,424 with a school on file
- Record last updated2023 · 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).
17 clinical psychologist records list a practice address in Cerritos
They are 17 of the 1,842 NPPES records with a practice address in Cerritos, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Cerritos → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- J Burns, PHDCerritos, CA 907031164592788
- Christine Desandre, PSY.D.Cerritos, CA 907031013108547
- Gilberto Figueroa, PSB94025462Cerritos, CA 907031578683819
- Michael Franc, PSYDCerritos, CA 907031184915779
- David Hirohama, PH.D.Cerritos, CA 907031881912871
- Hsiang Ling Hsu, PSY. D.Cerritos, CA 907031528195047
- Tekesia Jackson, PSYDCerritos, CA 907031457418055
- Ian Johansen, PH.D.Cerritos, CA 907031558695718
Common questions
What is William Thomas Joshua Johnson, PHD's NPI number?
William Thomas Joshua Johnson, PHD's National Provider Identifier (NPI) is 1760810345, issued on Oct 17, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William Thomas Joshua Johnson, PHD located?
The NPPES record lists a practice address at 17315 Studebaker RD Ste 105, Cerritos, CA, 90703. Phone: (562) 999-4707. Providers update this record themselves, so call before visiting.
How can I verify William Thomas Joshua Johnson, PHD's license?
NPPES lists California license number 25976, 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.