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

Individual provider Clinical Psychologist · NPI 1598889230

Dr. Alan A. Modarressi, PHD is a Clinical Psychologist in Downey, California. Qualified in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
35
Licensed in
CA
In the registry since
2007
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

10800 Paramount Blvd Ste 202
Downey, CA 90241-3317
Phone: (562) 861-7226
Fax: (562) 861-6876
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY12997 (CA)

Record details

NPI number1598889230
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 19, 2007
Last updated in NPPESJuly 30, 2024
Certification dateJuly 30, 2024
Mailing address10800 Paramount Blvd Ste 202, Downey, CA 90241-3317

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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