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

Dr. John Robert Grogan, MD

Individual provider Neuroradiology Physician · NPI 1417943895

Dr. John Robert Grogan, MD is a Diagnostic Radiology in Waukesha, Wisconsin. Graduated from Medical College of Wisconsin in 1996, 30 years ago. Practices with Radiology Waukesha SC, a 30-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
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

725 American Ave
Waukesha, WI 53188-5031
Phone: (262) 928-2400
Fax: (262) 928-7621
Show map & directions

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

Specialties & licences

Neuroradiology Physician (primary) Taxonomy 2085N0700X · Licence 39053-020 (WI)

Record details

NPI number1417943895
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 21, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1996 (30 years in practice)
Group practice Radiology Waukesha Sc — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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