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

Brett T Mittelstedt

Individual provider Internal Medicine Physician · NPI 1134878903

Brett T Mittelstedt is an Internal Medicine in Summit, Wisconsin. Qualified in 2022, 4 years ago. Practices with Aurora Medical Group, Inc, a 3,741-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
4
Licensed in
WI
In the registry since
2022
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Practice location Address checks out

36500 Aurora Dr
Summit, WI 53066-4899
Phone: (262) 434-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 945 N 12th St, Milwaukee, WI 53233-1305 — (414) 219-7427

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 81460-21 (WI)

Record details

NPI number1134878903
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 21, 2022
Last updated in NPPESAugust 11, 2025
Certification dateAugust 11, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Aurora Medical Group, Inc. — 3741 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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