John SmiarowskiM.D.
John Smiarowski, M.D. is a Gastroenterology provider in Monroe, LA affiliated with 1 ambulatory surgery center in LA, as of July 2026.
- NPI1568462851
- Registered2005
- Centers1
- StateLA
- Class of1971
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.
John Smiarowski at a glance
- Provider
- John Smiarowski
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Monroe, LA
- Medical school
- Yale University School of Medicine
- Graduated
- 1971
- NPI registered
- 2005
- NPI
- 1568462851
- 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 John Smiarowski practice?
John Smiarowski, M.D. is based in Monroe, LA and is affiliated with 1 ambulatory surgery center: Endoscopy Center Of Monrow in Monroe, LA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Smiarowski's NPI number?
John Smiarowski's National Provider Identifier (NPI) is 1568462851, registered in 2005. Specialty on record: Gastroenterology; credential M.D.
Where did John Smiarowski go to medical school?
John Smiarowski, M.D. attended Yale University School of Medicine, graduating in 1971.
How many Gastroenterology providers in Louisiana work at ambulatory surgery centers?
69 Gastroenterology surgeons and proceduralists in Louisiana are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Smiarowski among them. The Louisiana Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete John Smiarowski analysis
Tell us where to send it. Our team will prepare an analysis of John Smiarowski covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.