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

Marian Kowalczyk, MD

Individual provider Family Medicine Physician · NPI 1740201664

Marian Kowalczyk, MD is a Family Medicine 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.

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Practice location Address checks out

3115 N Harlem Ave Ste 202
Chicago, IL 60634-4683
Phone: (773) 282-4793
Fax: (773) 282-4844
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036-101289 (IL)

Record details

NPI number1740201664
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 23, 2006
Last updated in NPPESJanuary 3, 2020
Certification dateJanuary 3, 2020
Mailing address3020 Edgemont Ln, Park Ridge, IL 60068-2155

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