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

Timothy Michael Ketterhagen, MD

Individual provider Pediatric Emergency Medicine (Pediatrics) Physician · NPI 1679848998

Timothy Michael Ketterhagen, MD is a Pediatric Emergency Medicine (Pediatrics) Physician in Oak Lawn, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2012
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
Oak Lawn, IL 60453
Phone: (708) 684-5354
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5841 S Maryland Ave, Chicago, IL 60637-1447 — (773) 702-1000

Specialties & licences

Pediatric Emergency Medicine (Pediatrics) Physician (primary) Taxonomy 2080P0204X · Licence 036137365 (IL)

Record details

NPI number1679848998
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2012
Last updated in NPPESJuly 3, 2025
Certification dateJuly 3, 2025

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