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

Individual provider Clinical Psychologist · NPI 1134261878

Dr. John Sebastian Italia, PHD is a Clinical Psychologist in Antioch, California. Practices as a sole proprietor. Licensed in California.

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

2213 Buchanan Rd Ste 203
Antioch, CA 94509-4265
Phone: (925) 779-4934
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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 14291 (CA)

Record details

NPI number1134261878
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 12, 2007
Last updated in NPPESJuly 8, 2007

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