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

Individual provider Diagnostic Radiology Physician · NPI 1831184415

Dr. Gregory Allen Francken, MD practises Diagnostic Radiology in Waukesha, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1990, 36 years ago. Practices with Charlotte Radiology PA, a 218-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
36
Trained at
University of Wisconsin School of Medicine
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
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 32570-020 (WI)

Record details

NPI number1831184415
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 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 schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Charlotte Radiology Pa — 218 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations24 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients1,771
Services billed 3,102 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Charlotte Radiology PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 218 clinicians in the practice; 12 are shown here.

Other providers in Waukesha