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

Dr. James Mateer, MD

Individual provider Emergency Medicine Physician · NPI 1184604456

Dr. James Mateer, MD is an Emergency Medicine Physician in Waukesha, 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

725 American Ave Ste 5
Waukesha, WI 53188-5031
Phone: (262) 928-2475
Fax: (262) 928-5697
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 24211-020 (WI)

Record details

NPI number1184604456
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 20, 2006
Last updated in NPPESJanuary 28, 2014
Mailing address6400 Industrial Loop, Greendale, WI 53129-2452

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