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

Dr. Katherine J Mahaffey, PHD

Individual provider Clinical Psychologist · NPI 1164650560

Dr. Katherine J Mahaffey, PHD is a Clinical Psychologist in Saint Peter, Minnesota. Licensed in Minnesota and Wyoming. Registered with an NPI since 2009.

Licensed in
MN, WY
In the registry since
2009
Specialties on file
3
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

116 S 3rd St
Saint Peter, MN 56082-2043
Phone: (507) 931-8040
Fax: (507) 931-8060
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence LP4959 (MN)
Clinical Psychologist Taxonomy 103TC0700X · Licence 418 (WY)
Forensic Psychologist Taxonomy 103TF0200X · Licence LP4959 (MN)

Record details

NPI number1164650560
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 24, 2009
Last updated in NPPESJune 24, 2009

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