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

Dr. Gary K. Mills, PHD

Individual provider Health Service Psychologist · NPI 1881600872

Dr. Gary K. Mills, PHD is a Health Service Psychologist in Napa, California. Licensed in California. Registered with an NPI since 2006.

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

1700 Soscol Ave Ste 25
Napa, CA 94559-1351
Phone: (707) 963-1493
Fax: (707) 963-1463
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Health Service Psychologist (primary) Taxonomy 103TH0100X · Licence PSY4876 (CA)

Record details

NPI number1881600872
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESSeptember 14, 2012