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

Individual provider Psychologist · NPI 1538294426

Dr. John Chester Gonsiorek, PHD is a Psychologist in Minnetonka, Minnesota. Practices as a sole proprietor. Licensed in Minnesota.

Licensed in
MN
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

3514 Lilac Ln
Minnetonka, MN 55345-1022
Phone: (952) 994-1386
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence LP-1236 (MN)

Record details

NPI number1538294426
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 22, 2007
Last updated in NPPESJuly 8, 2007

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