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

Dr. John B. Nanninga, MD

Individual provider Urology Physician · NPI 1134223621

Dr. John B. Nanninga, MD is an Urology Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

675 N Saint Clair St Ste 20-200
Chicago, IL 60611-5975
Phone: (312) 926-4666
Show map & directions

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

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X (IL)

Record details

NPI number1134223621
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 12, 2006
Last updated in NPPESJuly 19, 2026
Mailing address675 N Saint Clair St, Galter 20-200, Chicago, IL 60611-5975

Other providers in Chicago