John HorlanderMD
Gastroenterology·Louisville, KY
John Horlander, MD is a Gastroenterology provider in Louisville, KY affiliated with 1 ambulatory surgery center in KY, as of July 2026.
- NPI1649254764
- Registered2005
- Centers1
- StateKY
- Class of1995
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 Horlander at a glance
- Provider
- John Horlander
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Louisville, KY
- Medical school
- University of Louisville School of Medicine
- Graduated
- 1995
- NPI registered
- 2005
- NPI
- 1649254764
- 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 Horlander practice?
John Horlander, MD is based in Louisville, KY and is affiliated with 1 ambulatory surgery center: Louisville Endoscopy Center in Louisville, KY. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Horlander's NPI number?
John Horlander's National Provider Identifier (NPI) is 1649254764, registered in 2005. Specialty on record: Gastroenterology; credential MD.
Where did John Horlander go to medical school?
John Horlander, MD attended University of Louisville School of Medicine, graduating in 1995.
How many Gastroenterology providers in Kentucky work at ambulatory surgery centers?
19 Gastroenterology surgeons and proceduralists in Kentucky are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Horlander among them. The Kentucky Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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