Ranjit John MD

Aortic Surgery, Cardiovascular Surgery

Associate Professor, Surgery, University of Minnesota Medical School

University of Minnesota Physicians516 Delaware Street SE PWB Third floor Clinic 3BMinneapolis, MN 55455
Phone+1 612-625-3600

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Summary

Dr. Ranjit John is a thoracic surgeon in Minneapolis, MN and is affiliated with multiple hospitals in the area, including Minneapolis Veterans Affairs Health Care System, Fairview Southdale Hospital, and University of Minnesota Medical Center, Fairview. He received his medical degree from Christian Medical College Vellore and has been in practice 28 years. He specializes in cardiovascular surgery and is experienced in aortic and mitral valve surgery, coronary artery bypass grafting, management, heart valve replacement, and artificial heart.

Education & Training

New York-Presbyterian HospitalPost-Doctoral Fellowship, 2002 - 2003
New York Presbyterian Hospital (Columbia Campus)Fellowship, Thoracic Surgery - Independent, 2001 - 2002
Westchester Medical CenterResidency, Surgery, 1994 - 2000
Christian Medical College VelloreClass of 1989

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Certifications & Licensure

MN State Medical License 2003 - 2027
MI State Medical License 2000 - 2004
NY State Medical License 2002 - 2004
American Board of Thoracic Surgery Thoracic and Cardiac Surgery

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2016-2017
Regional Top Doctor Castle Connolly, 2014
Fellow (FACS) American College of Surgeons

Clinical Trials

Stem Cell Therapy in Patients With Severe Heart Failure & Undergoing Left Ventricular Assist Device Placement Start of enrollment: 2011 Nov 10
COMPLETED
PHASE1, PHASE2
REGISTRY EVALUATION OF VITAL INFORMATION FOR VADs IN AMBULATORY LIFE
COMPLETED
A Clinical Trial to Evaluate the HeartWare™ Ventricular Assist System (ENDURANCE SUPPLEMENTAL TRIAL)
COMPLETED
NA

Publications & Presentations

PubMed

EACTS/STS/AATS Guidelines on temporary mechanical circulatory support in adult cardiac surgery.
Evgenij V Potapov, Glenn Whitman, Ranjit John, Pia Lanmüller, Zuzana Tucanova
European Journal of Cardio-Thoracic Surgery. 2026-07-08
Sex Differences in Heart Transplantation Outcomes: A 5-Year Review of the 2018 U.S. Allocation Policy.
Bhavadharini Ramu, Maria Masotti, Jessica Schultz, Valmiki Maharaj, Tamas Alexy
JACC. Advances. 2026-06-01
The changing landscape of temporary mechanical circulatory support devices in the new heart allocation system: A US nationwide analysis.
Koray N Potel, Sean Nguyen, Nolan McLaughlin, Emma Schaffer, Stephen J Huddleston
JTCVS Open. 2026-06-01