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

Individual provider Internal Medicine Physician · NPI 1144247958

Oleh R Terleckyj, MD is an Internal Medicine Physician in Chicago, 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

2740 W Foster Ave Ste LL7
Chicago, IL 60625
Phone: (773) 878-8200
Fax: (773) 293-4197
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0360795Z1 (IL)

Record details

NPI number1144247958
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 16, 2006
Last updated in NPPESOctober 30, 2020
Certification dateOctober 30, 2020

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