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

Dr. Matthew J Howenstein, MD

Individual provider Diagnostic Radiology Physician · NPI 1548419336

Dr. Matthew J Howenstein, MD is a Diagnostic Radiology in Grafton, Wisconsin. Graduated from Vanderbilt University School of Medicine in 2005, 21 years ago. Practices with Aurora Medical Group, Inc, a 3,741-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
21
Trained at
Vanderbilt University School of Medicine
Licensed in
IL, WI
In the registry since
2008
Specialties on file
3
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

975 Port Washington Rd
Grafton, WI 53024-9204
Phone: (414) 358-5420
Show map & directions

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

Specialties & licences

Vascular & Interventional Radiology Physician (primary) Taxonomy 2085R0204X · Licence 61674 (WI)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 61674 (WI)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 036119267 (IL)

Record details

NPI number1548419336
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 16, 2008
Last updated in NPPESAugust 10, 2023
Certification dateAugust 10, 2023
Mailing addressPo Box 735044, Chicago, IL 60673-5044

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Aurora Medical Group, Inc. — 3741 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations39 on file with Medicare

Other providers in Grafton