Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Thomas Joshua Johnson, PHD

Individual provider Clinical Psychologist · NPI 1760810345

William Thomas Joshua Johnson, PHD is a Clinical Psychologist in Cerritos, California. Qualified in 2011, 15 years ago. Practices with W Joshua Johnson Psychologist Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
15
Licensed in
CA
In the registry since
2013
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

17315 Studebaker Rd Ste 105
Cerritos, CA 90703-2565
Phone: (562) 999-4707
Fax: (877) 741-9754
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 25976 (CA)

Record details

NPI number1760810345
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 17, 2013
Last updated in NPPESDecember 4, 2023
Certification dateDecember 4, 2023
Mailing address17315 Studebaker Rd Ste 105, Cerritos, CA 90703-2565

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice W Joshua Johnson Psychologist Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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