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

Dr. Stephen William Hill, PHD

Individual provider Clinical Psychologist · NPI 1952424699

Dr. Stephen William Hill, PHD is a Clinical Psychologist in Diamond Bar, 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

1930 S Brea Canyon Rd Ste 265
Diamond Bar, CA 91765-4009
Phone: (909) 896-0518
Fax: (909) 594-7010
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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 PSY12056 (CA)

Record details

NPI number1952424699
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 9, 2007
Last updated in NPPESJuly 8, 2007
Mailing address21731 Buckskin Dr, Walnut, CA 91789-0919

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