Skip to main content
John Schaffner, MD, Gastroenterology, Rochester, MN, Mayo Clinic Hospital - Rochester

JohnAlanSchaffnerMD

Gastroenterology Rochester, MN

Associate Professor, Internal Medicine, Mayo Medical School

Dr. Schaffner is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Schaffner's full profile

Already have an account?

Education & Training

  • University of Michigan Health System
    University of Michigan Health SystemFellowship, Gastroenterology, 1977 - 1979
  • Rush University Medical Center
    Rush University Medical CenterResidency, Internal Medicine, 1974 - 1977
  • Rush Medical College of Rush University Medical Center
    Rush Medical College of Rush University Medical CenterClass of 1974

Certifications & Licensure

  • MN State Medical License
    MN State Medical License 1998 - 2024
  • CT State Medical License
    CT State Medical License 2017 - 2018
  • TN State Medical License
    TN State Medical License 2017 - 2018
  • IL State Medical License
    IL State Medical License 1975 - 2005
  • MI State Medical License
    MI State Medical License 1977 - 1979

Publications & Presentations

PubMed

Hospital Affiliations