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

Individual provider Hospitalist Physician · NPI 1962665059

Mary Catherine (Katie) Rybak, MD is a Hospitalist Physician in Belleville, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2008
Specialties on file
2
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

4550 Memorial Dr Ste 340
Belleville, IL 62226-5372
Phone: (618) 257-6200
Fax: (618) 257-6679
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1414 Cross St Ste 210, Shiloh, IL 62269-2988 — (618) 607-1260

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036128107 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036128107 (IL)

Record details

NPI number1962665059
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 8, 2008
Last updated in NPPESOctober 4, 2021
Certification dateOctober 4, 2021

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