Gregory BrebachM.D.
Orthopedic Surgery·Barrington, IL
Gregory Brebach, M.D. is an Orthopedic Surgery provider in Barrington, IL affiliated with 1 ambulatory surgery center in IL, as of July 2026.
- NPI1598751034
- Registered2005
- Centers1
- StateIL
- Class of1997
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.
Gregory Brebach at a glance
- Provider
- Gregory Brebach
- Credential
- M.D.
- Specialty
- Orthopedic Surgery
- Procedures
- Orthopedic Surgery CPT codes
- Location
- Barrington, IL
- Medical school
- Rush Medical College of Rush University
- Graduated
- 1997
- NPI registered
- 2005
- NPI
- 1598751034
- 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 Gregory Brebach practice?
Gregory Brebach, M.D. is based in Barrington, IL and is affiliated with 1 ambulatory surgery center: Belmont Harlem Surgery Center LLC in Chicago, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Gregory Brebach's NPI number?
Gregory Brebach's National Provider Identifier (NPI) is 1598751034, registered in 2005. Specialty on record: Orthopedic Surgery; credential M.D.
Where did Gregory Brebach go to medical school?
Gregory Brebach, M.D. attended Rush Medical College of Rush University, graduating in 1997.
How many Orthopedic Surgery providers in Illinois work at ambulatory surgery centers?
143 Orthopedic Surgery surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Gregory Brebach among them. The Illinois Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.
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