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

Mr. Michael Jay Ryan, MS

Individual provider Psychologist · NPI 1326454828

Mr. Michael Jay Ryan, MS is a Clinical Psychologist in Vacaville, California. Qualified in 2015, 11 years ago. Practices with Regents of the University of California, a 563-clinician group and accepts Medicare assignment.

Years since qualifying
11
In the registry since
2014
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1600 California Dr
Vacaville, CA 95696
Phone: (217) 622-0565
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1326454828
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedJuly 3, 2014
Last updated in NPPESJuly 3, 2014
Mailing address1600 California Drive, P.O. Box 2297, Vacaville, CA 95696

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Regents Of The University Of California — 563 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Vacaville