Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Jeffrey A Katt, MD

Individual provider Internal Medicine Physician · NPI 1407887821

Jeffrey A Katt, MD practises Internal Medicine in Milwaukee, Wisconsin. Graduated from University of Michigan Medical School in 1988, 38 years ago. Practices with Aurora Advanced Healthcare, Inc, a 1,101-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
38
Trained at
University of Michigan Medical School
Licensed in
WI
In the registry since
2006
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

3003 W Good Hope Rd
Milwaukee, WI 53209
Phone: (414) 352-3100
Fax: (414) 247-4597
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 30426 (WI)

Record details

NPI number1407887821
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESJanuary 3, 2025
Certification dateJanuary 3, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1988 (38 years in practice)
Group practice Aurora Advanced Healthcare, Inc. — 1101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 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 patients209
Services billed 1,004 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

  • Aurora Medical Center Hospital · Grafton, WI · listed as Aurora Medical Center Grafton
  • Aurora At Home Home health agency · Milwaukee, WI
  • Aurora At Home Hospice · Wauwatosa, WI

Colleagues at Aurora Advanced Healthcare, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1101 clinicians in the practice; 12 are shown here.

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