Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Chastain Clifford Attkisson Jr., PHD

Individual provider Psychologist · NPI 1164649125

Dr. Chastain Clifford Attkisson Jr., PHD is a Psychologist in Mill Valley, 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

660 Amaranth Blvd
Mill Valley, CA 94941-2605
Phone: (415) 310-5396
Fax: (415) 383-7749
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY3653 (CA)

Record details

NPI number1164649125
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 19, 2007
Last updated in NPPESJuly 8, 2007

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