John Alan Schaffner MD

Associate Professor, Internal Medicine, Mayo Medical School

200 1st St SwRochester, MN 55905
Phone+1 507-284-1825

Dr. Schaffner is on Doximity

As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

See Dr. Schaffner's full profile Already have an account?

Education & Training

University of MichiganFellowship, Gastroenterology, 1977 - 1979
Rush University Medical CenterResidency, Internal Medicine, 1974 - 1977
Rush Medical College of Rush University Medical CenterClass of 1974

The following disclaimer is related to board certifications obtained from ABMS®, denoted by the ABMS® logo.

This information is proprietary data maintained in a copyrighted database owned by the American Board of Medical Specialties®. The display and presence of ABMS Data in no way constitutes any affiliation, association with, or endorsement of any advertising, promotion, or sponsorship by ABMS and its affiliates and subsidiaries, the ABMS Member Boards, or ABMS board certified physicians and medical specialists. Copyright 2026 American Board of Medical Specialties®. All rights reserved.

The user is responsible for ensuring that the profile obtained in this directory is the profile of the physician or medical specialist being sought.

A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

MN State Medical License 1998 - 2027
CT State Medical License 2017 - 2018
TN State Medical License 2017 - 2018
IL State Medical License 1975 - 2005
MI State Medical License 1977 - 1979

Awards, Honors, & Recognition

CMS Meaningful Use Stage 2 Certification Mayo Clinic Incorporate Lab Results, Mayo Clinic, 2013-2017
CMS Meaningful Use Stage 2 Certification Centricity Patient Online, GE Healthcare, 2013-2017
CMS Meaningful Use Stage 2 Certification Mayo Clinic Patient Lists, Mayo Clinic, 2013-2017

Publications & Presentations

PubMed

5 citations
A Case of Abdominal Discomfort Caused by Benign Multicystic Peritoneal Mesothelioma
Thomas G. Cotter, John S. Van Arnam, John A. Schaffner
Clinical Gastroenterology and Hepatology. 2016-12-01
Clinical pearls in gastroenterology (2013).
John A. Schaffner, Scott C. Litin, John B. Bundrick
Disease-a-Month. 2014-07-01
171 citations
Adult autoimmune enteropathy: Mayo Clinic Rochester experience.
Salma Akram, Joseph A. Murray, Darrell S. Pardi, Glenn L. Alexander, John A. Schaffner
Clinical Gastroenterology and Hepatology. 2007-11-01

Viewing the full profile is available to verified healthcare professionals only.

Find your profile and take control of your online presence:

Similar Physicians & HCPs

Navtej Buttar, MD
GIRochester, MN
Gregory Gores, MD
GIRochester, MN
William Tremaine, MD
GIRochester, MN
Jayant Talwalkar, MD
GIRochester, MN
Santhi Swaroop Vege, MD
GIRochester, MN
Joseph Murray, MD
GIRochester, MN
Amindra Arora, MD
GIRochester, MN
Konstantinos Lazaridis, MD
GIRochester, MN
Lawrence Szarka, MD
GIRochester, MN
Laura (Harrell) Raffals, MD
GIRochester, MN

Doximity / States / Minnesota / Rochester / John Schaffner, MD

Dr. John Schaffner, Dr. John Schaffner, MD, Dr. J Schaffner, Dr. John Alan Schaffner