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

Dr. Darrell Ray Christian, PHD

Individual provider Psychologist · NPI 1023031564

Dr. Darrell Ray Christian, PHD is a Psychologist in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

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.

See every abbreviation used in this directory →

Practice location Address checks out

2950 Camino Diablo Ste 120
Walnut Creek, CA 94597-3978
Phone: (925) 935-8646
Fax: (925) 935-8646
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY11699 (CA)

Record details

NPI number1023031564
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 25, 2006
Last updated in NPPESSeptember 21, 2007
Mailing address2950 Camino Diablo, Suite 120, Walnut Creek, CA 94597-3978

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