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

Individual provider Internal Medicine Physician · NPI 1609510981

Malek Ayoub, MD is an Internal Medicine Physician in Chicago, Illinois. Works from 2 locations. Licensed in Illinois and Missouri.

Licensed in
IL, MO
In the registry since
2022
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

5841 S Maryland Ave # MC4076
Chicago, IL 60637-1443
Phone: (773) 795-1824
Fax: (773) 702-2182
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003 — (314) 362-8061

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 036.173747 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2022019854 (MO)

Record details

NPI number1609510981
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 23, 2022
Last updated in NPPESMay 17, 2025
Certification dateMay 17, 2025
Mailing address180 Harvester Dr Ste 110, Burr Ridge, IL 60527-4503

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