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

Individual provider Urology Physician · NPI 1295969111

Dr. Mark Aaron Wille, MD is an Urology in Chicago, Illinois. Graduated from University of Chicago, Pritzker School of Medicine in 2005, 21 years ago. Practices with Cook County, a 787-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
IL
In the registry since
2009
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

1900 W Polk St Ste 465
Chicago, IL 60612-3723
Phone: (312) 864-0342
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 036.122340 (IL)

Record details

NPI number1295969111
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 6, 2009
Last updated in NPPESMay 4, 2021
Certification dateMay 4, 2021
Mailing address1900 W Polk St Ste 465, Chicago, IL 60612-3723

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Cook County — 787 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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