Dr. John Groll specializes in cardiology and subspecializes in diagnostic and interventional cardiology. He received his medical degree from University of Illinois College of Medicine. He completed internship, residency, and fellowship at Jewish Hospital/Washington University. Dr. Groll is board certified by the American Board of Internal Medicine. He has been a part of the Memorial Hospital specialty staff since 1998.

​Dr. Groll holds outpatient clinics at Memorial Hospital on Wednesdays. Physician referrals are required.

To learn more about our specialists call Memorial Hospital Specialty Clinic at (618) 826-4581 ext. 1366