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

Individual provider Psychiatry Physician · NPI 1447243373

Mr. Marek Walczyk, MD is a Psychiatry Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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

5519 N Cumberland Ave Ste 1016
Chicago, IL 60656-0000
Phone: (708) 224-8840
Fax: (773) 594-7720
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 36107779 (IL)

Record details

NPI number1447243373
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2005
Last updated in NPPESJanuary 20, 2009

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