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JACOB OLLECH MD
NPI 1063937183
Internal Medicine - Gastroenterology in Chicago, IL

Active since August 09, 2017
5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-8597 Get Directions Write a Review

NPPES record last updated: August 9, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jacob Ollech Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACOB OLLECH MD (NPI 1063937183) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (125071557) and active in the NPI registry since August 2017.

NPPES Registry Identity

NPI1063937183
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJACOB OLLECHCredential: MD
Location Address5841 S MARYLAND AVEChicago, IL 60637-1447
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(773) 702-8597
Sole ProprietorNo
Enumeration DateAugust 9, 2017
✔ NPI 1063937183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 125071557
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
5841 S MARYLAND AVE, Chicago, IL 60637
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jacob Ollech's NPI number?

The NPI number for Jacob Ollech is 1063937183. It was assigned to this individual provider in the NPPES registry on August 9, 2017.

Where is Jacob Ollech located?

Jacob Ollech practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-8597.

What is Jacob Ollech's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Jacob Ollech was last updated on August 9, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.