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

Gregory T Schimkat, RN, MSN

Individual provider Nurse Practitioner · NPI 1275464265

Gregory T Schimkat, RN, MSN is a Nurse Practitioner in Oshkosh, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2026.

Licensed in
WI
In the registry since
2026
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.

See every abbreviation used in this directory →

Practice location Address checks out

600 N Westhaven Dr
Oshkosh, WI 54904-6926
Phone: (920) 720-2300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 1863333 (WI)
Nurse Practitioner Taxonomy 363L00000X · Licence 18633 (WI)

Record details

NPI number1275464265
Entity typeIndividual (Type 1)
GenderMale
Credentials RN , MSN
Sole proprietorNo
NPI enumeratedMay 27, 2026
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026

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