HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / WI

ALAN N MAYER, MD

GASTROENTEROLOGY

Medical school: JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY

Graduated: 1995

Also: PEDIATRIC MEDICINE

NPI: 1134170988

Practice Locations (1)

GI ASSOCIATES LLC

3111 W RAWSON AVE, SUITE 240

FRANKLIN, WI 531328893

4149086500

Source: CMS National Downloadable File, September 2026.