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

Thomas Leib, MD

Individual provider Pediatrics Physician · NPI 1427024314

Thomas Leib, MD is a Pediatrics Physician in Glen Ellyn, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

430 Pennsylvania Ave
Glen Ellyn, IL 60137-4464
Phone: (630) 469-9200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 036100653 (IL)

Record details

NPI number1427024314
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESJanuary 25, 2011
Mailing address1860 Paysphere Cir, Chicago, IL 60674-0018

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