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

Dr. Ryan H Holzhauer, MD

Individual provider Emergency Medicine Physician · NPI 1508272139

Dr. Ryan H Holzhauer, MD is an Emergency Medicine Physician in Janesville, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2014
Specialties on file
2
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

1000 Mineral Point Ave
Janesville, WI 53548
Phone: (414) 303-5678
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 65434-20 (WI)
General Acute Care Hospital Taxonomy 282N00000X

Record details

NPI number1508272139
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 3, 2014
Last updated in NPPESJune 21, 2018
Mailing address125 N 123rd St, Wauwatosa, WI 53226-3809

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