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

Michael Wiederstein, PHD

Individual provider Psychologist · NPI 1609918838

Michael Wiederstein, PHD is a Psychologist in Elk Grove, 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

9120 Trumbauer Way
Elk Grove, CA 95758
Phone: (916) 662-5893
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 11582 (CA)

Record details

NPI number1609918838
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 13, 2007
Last updated in NPPESJuly 8, 2007
Mailing address9120 Trumbauer Way, Elk Grove, CA 95758

Other providers in Elk Grove