Michael FenlonM.D.
Michael Fenlon, M.D. is a General Surgery provider in Chicago, IL affiliated with 1 ambulatory surgery center in UT, as of July 2026.
- NPI1851779052
- Registered2015
- Centers1
- StateUT
- Class of2013
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.
Michael Fenlon at a glance
- Provider
- Michael Fenlon
- Credential
- M.D.
- Specialty
- General Surgery
- Procedures
- General Surgery CPT codes
- Location
- Chicago, IL
- Medical school
- University of California, Irvine, California College of Medicine
- Graduated
- 2013
- NPI registered
- 2015
- NPI
- 1851779052
- 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 Michael Fenlon practice?
Michael Fenlon, M.D. is based in Chicago, IL and is affiliated with 1 ambulatory surgery center: St Marks Ambulatory Surgery Associates Lp in Salt Lake City, UT. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Michael Fenlon's NPI number?
Michael Fenlon's National Provider Identifier (NPI) is 1851779052, registered in 2015. Specialty on record: General Surgery; credential M.D.
Where did Michael Fenlon go to medical school?
Michael Fenlon, M.D. attended University of California, Irvine, California College of Medicine, graduating in 2013.
How many General Surgery providers in Illinois work at ambulatory surgery centers?
109 General Surgery surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Michael Fenlon among them. The Illinois General Surgery directory lists each one by city with credential, NPI, and center affiliations.
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