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

John William Poss, NP

Individual provider Nurse Practitioner · NPI 1578551172

John William Poss, NP is a Nurse Practitioner in Oshkosh, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2005.

Licensed in
WI
In the registry since
2005
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone: (920) 456-7408
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 88433 (WI)

Record details

NPI number1578551172
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 10, 2005
Last updated in NPPESDecember 1, 2021
Certification dateDecember 1, 2021
Mailing address2901 W Kinnickinnic River Pkwy Ste 309, Milwaukee, WI 53215-3660

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