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

John Allen Kowalski

Individual provider Infectious Disease Physician · NPI 1235178708

John Allen Kowalski is an Infectious Disease Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006

Practice location Address checks out

2020 W Harrison St Ste 1266
Chicago, IL 60612-3741
Phone: (312) 572-4739
Fax: (312) 572-4719
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 036053307 (IL)

Record details

NPI number1235178708
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJune 6, 2006
Last updated in NPPESApril 26, 2013
Mailing address1301 W Madison St, Unit 523, Chicago, IL 60607-1936

Other providers in Chicago