Brian BlumensteinMD
Brian Blumenstein, MD is a Gastroenterology provider in Oak Lawn, IL affiliated with 3 ambulatory surgery centers in IL, as of July 2026.
- NPI1194784645
- Registered2006
- Centers3
- StateIL
- Class of1989
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Brian Blumenstein at a glance
- Provider
- Brian Blumenstein
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Oak Lawn, IL
- Medical school
- University of Michigan Medical School
- Graduated
- 1989
- NPI registered
- 2006
- NPI
- 1194784645
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Brian Blumenstein practice?
Brian Blumenstein, MD is based in Oak Lawn, IL and is affiliated with 3 ambulatory surgery centers: Palos Health Surgery Center in Orland Park, IL, Oak Lawn Endoscopy in Oaklawn, IL, and Elgin Gastroenterology Endoscopy Center LLC in Elgin, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Brian Blumenstein's NPI number?
Brian Blumenstein's National Provider Identifier (NPI) is 1194784645, registered in 2006. Specialty on record: Gastroenterology; credential MD.
Where did Brian Blumenstein go to medical school?
Brian Blumenstein, MD attended University of Michigan Medical School, graduating in 1989.
How many Gastroenterology providers in Illinois work at ambulatory surgery centers?
122 Gastroenterology surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Brian Blumenstein among them. The Illinois Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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