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

Dr. Stephen John Mendak, MD

Individual provider Surgery Physician · NPI 1154419257

Dr. Stephen John Mendak, MD is a Surgery Physician in Elmhurst, 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

340 W Butterfield Rd 1D
Elmhurst, IL 60126-5069
Phone: (630) 279-5701
Fax: (630) 279-5144
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X (IL)

Record details

NPI number1154419257
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2006
Last updated in NPPESJuly 8, 2007
Mailing address340 W Butterfield Rd, 1d, Elmhurst, IL 60126-5069

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