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

Katarzyna Kielczyk, MD

Individual provider Internal Medicine Physician · NPI 1194922203

Katarzyna Kielczyk, MD is an Internal Medicine Physician in Oak Park, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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

3 Erie Ct
Oak Park, IL 60302-2519
Phone: (708) 763-1222
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125-051023 (IL)

Record details

NPI number1194922203
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 2, 2007
Last updated in NPPESJuly 8, 2007
Mailing address317 Wisconsin Ave, 3c, Oak Park, IL 60302-5516

Other providers in Oak Park