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

Peter David Holzwarth, MD

Individual provider Pediatrics Physician · NPI 1629001912

Peter David Holzwarth, MD is a Pediatrics Physician in Neenah, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

120 Second St
Neenah, WI 54956-2883
Phone: (920) 969-7900
Fax: (920) 969-7979
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 35954 (WI)

Record details

NPI number1629001912
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 9, 2006
Last updated in NPPESJanuary 14, 2019
Mailing address9000 W Wisconsin Ave # Ms 958, Milwaukee, WI 53226-4874

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