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

Individual provider Marriage & Family Therapist · NPI 1669684627

Dr. Gary David Newquist, PHD is a Marriage & Family Therapist in Agoura Hills, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
2
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

5923 Kanan Rd
Agoura Hills, CA 91301-1688
Phone: (805) 603-3282
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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 PSY10987 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence MFC17973 (CA)

Record details

NPI number1669684627
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 4, 2007
Last updated in NPPESNovember 4, 2015

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