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

Mitchell Posner

Individual provider Surgical Oncology Physician · NPI 1700941531

Mitchell Posner is a Surgical Oncology in Chicago, Illinois. Graduated from State University of New York at Buffalo School of Medicine in 1981, 45 years ago. Practices with The University of Chicago Medical Center, a 909-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
45
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
IL
In the registry since
2006
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone: (888) 824-0200
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence 036092015 (IL)

Record details

NPI number1700941531
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 22, 2006
Last updated in NPPESNovember 20, 2025
Certification dateNovember 20, 2025
Mailing address150 Harvester Dr, Suite 300, Burr Ridge, IL 60527-5919

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice The University Of Chicago Medical Center — 909 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Chicago