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

Individual provider Clinical Psychologist · NPI 1649557232

Dr. Joseph Johnny Koudsi, PSYD is a Clinical Psychologist in Walnut Creek, California. Qualified in 2008, 18 years ago. Practices with Pacific Coast Psychiatric Associates Inc, a 632-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Licensed in
CA
In the registry since
2011
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

2970 Camino Diablo Ste 300
Walnut Creek, CA 94597-4001
Phone: (925) 282-1778
Fax: (415) 296-5299
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 12214 Riverside Dr, Studio City, CA 91607-3830 — (310) 284-3626

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 24646 (CA)

Record details

NPI number1649557232
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedNovember 9, 2011
Last updated in NPPESOctober 18, 2024
Certification dateOctober 18, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Pacific Coast Psychiatric Associates Inc — 632 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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