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

Aaron Thomas Byczynski

Individual provider Internal Medicine Physician · NPI 1457054942

Aaron Thomas Byczynski is an Internal Medicine in Milwaukee, Wisconsin. Graduated from West Virginia School of Osteopathic Medicine in 2023, 3 years ago. Works from 2 locations. Licensed in Wisconsin.

Years since qualifying
3
Trained at
West Virginia School of Osteopathic Medicine
Licensed in
WI
In the registry since
2023
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Practice location Address checks out

945 N 12th St
Milwaukee, WI 53233-1305
Phone: (414) 219-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 8701 Watertown Plank Rd, Milwaukee, WI 53226-3548 — (414) 955-4575

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 81699 (WI)

Record details

NPI number1457054942
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 23, 2023
Last updated in NPPESJuly 24, 2026
Certification dateJuly 24, 2026
Mailing addressPo Box 735044, Chicago, IL 60673-5044

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolWEST VIRGINIA SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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