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

Michael R Defrank, MD

Individual provider Emergency Medicine Physician · NPI 1841258969

Michael R Defrank, MD is an Emergency Medicine in Milwaukee, Wisconsin. Graduated from Medical College of Wisconsin in 1996, 30 years ago. Practices with Vituity-Wisconsin Em SC, a 57-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
30
Trained at
Medical College of Wisconsin
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

111 E Wisconsin Ave Ste 2000
Milwaukee, WI 53202-4815
Phone: (414) 290-6720
Fax: (414) 290-6755
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 41138-020 (WI)

Record details

NPI number1841258969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2006
Last updated in NPPESDecember 19, 2021
Certification dateDecember 19, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1996 (30 years in practice)
Group practice Vituity-Wisconsin Em Sc — 57 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Milwaukee