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Pediatrician, Infectious Disease Specialist (virus, bacteria, parasites), Pediatric Specialist
29 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Marcinak:

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Specialties & Research

Dr. John Marcinak, MD is board certified in Pediatrics and Pediatric Infectious Diseases.

  • He has special expertise in 2 areas:
  • Sickle Cell Anemia
  • Staphylococcal Infections (Staph Infection)

Education & Awards

Dr. Marcinak graduated from The Ohio State University , Columbus.


Dr. Marcinak has 4 hospital affiliations:

  • The University of Chicago Medicine 
  • University Of Illinois Medical Center At Chicago 


  • Spanish

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Additional Information
Dr. John Francis Marcinak MD is a male Pediatrician, has 29 years of experience and practices in Pediatrics and Pediatric Infectious Diseases.
Where does Dr. John F. Marcinak practice?
Dr. John Marcinak has 2 office locations.
Dr. John Marcinak practices Pediatrics and Pediatric Infectious Diseases near Chicago, IL.
Additional practice locations include: Burr Ridge, IL.
See Chicago Pediatricians and Chicago Infectious Disease Doctors.