Our Physicians

The physicians and staff of Cardiovascular Medicine are committed to providing quality cardiovascular healthcare.

Dr. Helbert Acosta

MD, FACC, FHRS, CCDS
Dr. Acosta received his undergraduate training at Colegio de Barranquilla para Varones in Colombia and his medical degree from Universidad Del Valle in...

Dr. Waseem Ahmad

MD
Dr. Ahmad graduated from Punjab Medical College Faisalabad, Pakistan. His Internal Medicine Internship was completed at Wilson Memorial Hospital in Johnson...

Dr. Amit Bahia

MD, MPH
Dr. Amit Bahia received his Medical Degree at Bangalore Medical College, Bangalore, India in 2000. He went on to earn a Master’s degree in Public Health from...

Dr. Nilarun Chowdhuri

MD
Dr. Chowdhuri received his medical education at the Institute of Medicine Tribhuvan University Teaching Hospital in Kathmandu, Nepal. He completed his Internal...

Dr. Edmund P. Coyne

MD, FACC
Dr. Coyne received his undergraduate training at Boston University and his medical degree from Tufts University in Boston, Massachusetts. He completed his...

Dr. Michael J. Gimbel III

MD, FACC
Dr. Gimbel, a Bettendorf native, graduated from Assumption High School and received his undergraduate degree from Saint Louis University, majoring in Chemistry...

Dr. Srikanth Kasula

MD
Dr. Srikanth Kasula received his medical education at Osmania Medical College, Hyderabad, India in 2006. He completed his Internal Medicine Residency,...

Dr. Kathleen J. Keyes

MD, FACC
Dr. Keyes was born in Wareham, Massachusetts. She attended Wheaton College in Norton, Massachusetts, where she received her B.A. in Chemistry and Biochemistry....

Dr. Devika Kir

MD
Dr. Devika Kir graduated top of her class at the All-India Institute of Medical Sciences in New Delhi, India. After two-years of dedicated basic science...

Dr. Rajiv Mallik

MD
Dr. Rajiv Mallik received his medical school training at All India Institute of Medical Sciences. He completed his residency at Michael Reese Hospital, Chicago...

Dr. Faraz Manazir

MD
Dr. Manazir received his Medical Degree from Dow Medical College, Karachi University, in Karachi, Pakistan. He completed his Internal Medicine Residency at St....

Dr. Rafat Padaria

MD, FACC
Dr. Padaria received her undergraduate training at Jai Hind College in Bombay and her medical degree from Topiwala National Medical College in Bombay, India....

Dr. Harish Patlolla

MD
Dr. Patlolla received his medical education at Deccan College of Medical Sciences in India. He completed his Internal Medicine Residency at Mount Sinai...

Dr. Aswartha Pothula

MD, FACC
Dr. Pothula received his Medical Degree from the Kurnool Medical College, Kurnool India. He competed his Internal Medicine Residency at Wayne State University,...

Dr. Sanjeev Puri

MD, FACC, FSCAI
Dr. Puri graduated from Post Graduate Institute of Medical Education in Chandigarh, India. He trained in Internal Medicine at the Medical College of Ohio. His...

Dr. Bouyella Reddy

MD
Dr. Reddy received his Medical Degree from Kurnool Medical College, Sri Venkateswara University in Kurnool India. He completed his Internal Medicine Residency...

Dr. Sora Reddy

MD
Dr. Reddy received his Medical Degree from Kurnool Government Medical College, Sri Venkateshwara University, in Andhra Pradesh, India. He completed his...

Dr. Jon A. Robken

MD, FCCP, FACC
Dr. Robken was raised in Cedar Rapids, Iowa. He received his Bachelor of Science from the University of Iowa and his Medical Degree from the University of Iowa...

Dr. Nicolas W. Shammas

MD, MS, EJD, FACC, FSCAI, FICA, FSVM
Dr. Shammas received his combined Master of Science-Doctor of Medicine (MS-MD) degrees at the American University of Beirut, Lebanon. He completed his Internal...

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...

Dr. Param P. Singh

MD
Dr. Singh received his medical education at Government Medical College in Patiala, India. He completed his Internal Medicine Residency, Cardiovascular Disease...

Dr. Phanicharan Sistla

MD
Dr. Sistla received his medical degree from the University of Massachusetts Medical School in 2013.He completed his Internal Medicine Residency at Tufts...

Dr. William J. Witcik

MD, FACP, FACC
Dr. Witcik was born and raised in Fargo, North Dakota. He received his undergraduate degree in biochemistry from North Dakota State University. He received his...

Dr. Adnan Yousaf

MD, MRCP
Dr. Adnan Yousaf received his medical education at King Edward Medical University in Lahore, Pakistan. He completed his Internal Medicine Residency and...

CVM Locations

Explore the map below to see location options and find the clinic most convenient for you!

Our Physicians

Our physicians provide the best care for patients with heart failure, heart attacks, angina, cardiac, and vein diseases.

Dr. Rajiv Mallik

MD

Dr. Rajiv Mallik received his medical school training at All India Institute of Medical Sciences. He completed his residency at Michael Reese Hospital, Chicago Illinois through the University of Illinois at Chicago. He continued at Michael Reese Hospital and completed his Cardiovascular Disease Fellowship. He completed Fellowship in Clinical Cardiac Electrophysiology and Advanced Cardiac Electrophysiology at Advocate Illinois Masonic Medical Center, Chicago, Illinois after which he practiced as a Cardiac Electrophysiologist with Advocate Medical Group / Midwest Heart Specialists in Rockford, Illinois.

Dr. Mallik joined Cardiovascular Medicine in September 2016. He is Board Certified in Clinical Cardiac Electrophysiology and Cardiovascular Disease. He is licensed to practice in Illinois and Iowa and is available for outpatient consultation and follow-up visits at our Moline, Bettendorf, Davenport, and Geneseo locations. He has staff privileges at UnityPoint Health Trinity and Genesis Medical Centers.

Dr. Mallik and his wife, Dr. Namrata Mallik, an internist with Genesis Health System in Moline, live in the Quad Cities with their two sons.

Preventive Services

Our team of physicians, advanced care providers, and patient care specialists are focused specifically on cardiovascular best practices and lifesaving heart and vein care.