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

Individual provider Clinical Psychologist · NPI 1710087770

MS. Mireille C Castan, PSYD is a Clinical Psychologist in Patton, California. Qualified in 2004, 22 years ago. Practices with Gregor Medical Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Licensed in
CA
In the registry since
2006
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

3102 E Highland Avenue Medical Staff Ofc
Patton, CA 92369
Phone: (909) 425-7679
Fax: (909) 425-6635
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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 PSY 20951 (CA)

Record details

NPI number1710087770
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedSeptember 22, 2006
Last updated in NPPESNovember 7, 2014

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Gregor Medical Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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