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

William J Kasper, MD

Individual provider Pediatrics Physician · NPI 1093709891

William J Kasper, MD is a Pediatrics Physician in Neenah, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2005.

Licensed in
WI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

740 Deerwood Ave
Neenah, WI 54956
Phone: (920) 751-9600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 33517 (WI)

Record details

NPI number1093709891
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2005
Last updated in NPPESSeptember 2, 2008
Mailing address740 Deerwood Ave, Neenah, WI 54956

Other providers in Neenah