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
Mailing addressPo Box 1079, Running Springs, CA 92382-1079

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