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

Dr. Bartholomew Max Olash, MD

Individual provider Internal Medicine Physician · NPI 1164164299

Dr. Bartholomew Max Olash, MD is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2022
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

1620 W Harrison St
Chicago, IL 60612-3801
Phone: (502) 558-6161
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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 125.083913 (IL)

Record details

NPI number1164164299
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 9, 2022
Last updated in NPPESMay 24, 2024
Certification dateMay 24, 2024

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