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

Dr. Crystal Mueller, PHD

Individual provider Psychologist · NPI 1023255478

Dr. Crystal Mueller, PHD is a Psychologist in Patton, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
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

3102 E Highland Ave Patton State Hospital
Patton, CA 92369
Phone: (909) 425-7628
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 21896 (CA)

Record details

NPI number1023255478
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 7, 2009
Last updated in NPPESJanuary 23, 2009

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