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

Steven Campbell Marek, MD

Individual provider Pediatrics Physician · NPI 1588953897

Steven Campbell Marek, MD is a Pediatrics Physician in Oak Lawn, Illinois. Works from 2 locations. Licensed in District of Columbia, Illinois and Virginia.

Licensed in
DC, IL, VA
In the registry since
2011
Specialties on file
4
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

4440 W 95th St Ste 2177H
Oak Lawn, IL 60453-2600
Phone: (847) 723-5577
Fax: (708) 684-4716
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 111 Michigan Ave Nw, Washington, DC 20010-2916 — (217) 390-4950

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036-143896 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 0101256140 (VA)
Pediatrics Physician Taxonomy 208000000X · Licence MD042379 (DC)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1588953897
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2011
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026
Mailing address29373 Network Pl, Chicago, IL 60673-1293

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