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

Dr. Ralph Joseph Tassinari, PHD

Individual provider Psychologist · NPI 1558432989

Dr. Ralph Joseph Tassinari, PHD is a Clinical Psychologist in Mission Viejo, California. Qualified in 1974, 52 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
52
Licensed in
CA
In the registry since
2006
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

27871 Medical Center Rd Ste 170
Mission Viejo, CA 92691
Phone: (949) 364-0944
Fax: (949) 364-1365
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY5461 (CA)

Record details

NPI number1558432989
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 9, 2006
Last updated in NPPESAugust 9, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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