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

Jacob Ollech, MD

Individual provider Gastroenterology Physician · NPI 1063937183

Jacob Ollech, MD is a Gastroenterology Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2017.

Licensed in
IL
In the registry since
2017
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
Chicago, IL 60637-1447
Phone: (773) 702-8597
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 125071557 (IL)

Record details

NPI number1063937183
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2017
Last updated in NPPESAugust 9, 2017

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