Our Physicians
Dr. Helbert Acosta
MD, FACC, FHRS, CCDS
Dr. Waseem Ahmad
MD
Dr. Amit Bahia
MD, MPH
Dr. Nilarun Chowdhuri
MD
Dr. Edmund P. Coyne
MD, FACC
Dr. Michael J. Gimbel III
MD, FACC
Dr. Srikanth Kasula
MD
Dr. Kathleen J. Keyes
MD, FACC
Dr. Devika Kir
MD
Dr. Rajiv Mallik
MD
Dr. Faraz Manazir
MD
Dr. Rafat Padaria
MD, FACC
Dr. Harish Patlolla
MD
Dr. Aswartha Pothula
MD, FACC
Dr. Sanjeev Puri
MD, FACC, FSCAI
Dr. Bouyella Reddy
MD
Dr. Sora Reddy
MD
Dr. Jon A. Robken
MD, FCCP, FACC
Dr. Nicolas W. Shammas
MD, MS, EJD, FACC, FSCAI, FICA, FSVM
Dr. Mark J. Shen
MD, FHRS
Dr. Gursukhman Sidhu
MD, FACC
Dr. Param P. Singh
MD
Dr. Phanicharan Sistla
MD
Dr. William J. Witcik
MD, FACP, FACC
Dr. Adnan Yousaf
MD, MRCP
CVM Locations
Our Physicians
Dr. Mark J. Shen
MD, FHRS
Dr. Shen is a Board Certified Cardiac Electrophysiologist and Cardiologist, specializing in treating patients with heart rhythm disorders. He performs complex cardiac ablations for various heart rhythm diseases such as atrial fibrillation and ventricular tachycardia, and implants cardiac devices such as pacemakers, defibrillators and cardiac resynchronization therapy.
He completed his Electrophysiology Fellowship at Northwestern University, Chicago, IL, and Clinical Cardiology Fellowship and Postdoctoral Research Fellowship at Indiana University. Prior to this, he received his Internal Medicine Residency through the University of Illinois at Chicago.
Dr. Shen joined Cardiovascular Medicine in February 2023 and holds the position of the Director of Cardiovascular Research and Education. He is passionate to bring the latest advanced technology and clinical trials here for patients in need. He oversees clinical trials involving pharmacological, device and technological therapy for patients with heart rhythm disorders. He has authored dozens of peer-reviewed journal articles and book chapters and won prestigious awards such as The Heart Rhythm Society Fellowship in Cardiac Pacing and Electrophysiology.
Dr. Shen is Board Certified in Electrophysiology, Cardiovascular Diseases, Internal Medicine, and Echocardiography. He is licensed in both Iowa and Illinois and is available for outpatient consultation and follow up visits at the Moline, Davenport and Bettendorf locations. Dr. Shen has staff privileges at Genesis Medical Center and UnityPoint Health Trinity.
Dr. Shen is a member of the American College of Cardiology and a Fellow of the Heart Rhythm Society. Besides work, he enjoys spending time with his wife and two boys.