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

Peter D Leo, PHD

Individual provider Psychologist · NPI 1376950931

Peter D Leo, PHD is a Clinical Psychologist in Milwaukee, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2012, 14 years ago. Practices with Columbia St Marys Hospital Milwaukee Inc, a 314-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
14
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
In the registry since
2014
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

2311 N Prospect Ave
Milwaukee, WI 53211-4445
Phone: (414) 319-3000
Fax: (414) 319-3011
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 3171 (WI)

Record details

NPI number1376950931
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 16, 2014
Last updated in NPPESJuly 16, 2014
Mailing address4425 N Port Washington Rd, Glendale, WI 53212-1082

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Columbia St Marys Hospital Milwaukee Inc — 314 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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