Immediate Heart & Vascular Care Clinics at Chicago Cardiology Institute

Welcome to Chicago Cardiology Institute (CCI), where world-class cardiovascular care meets personalized service. Established in 2009 by Dr. Parag Doshi, CCI has evolved into a team of nine expert cardiologists, providing exceptional health care in a boutique setting. As a private practice, CCI stands out, providing a rare alternative to large health care systems.

Dr. Solomon “Joey” Sager is Director of Electrophysiology and a partner at Chicago Cardiology Institute. Board-certified in Cardiology and Electrophysiology, he specializes in atrial fibrillation ablation, ventricular tachycardia treatment, and advanced cardiac device care. Trained at the University of Miami and Rush University, Dr. Sager is a leader in complex EP procedures and offers cutting-edge cardiac care in a patient-centered setting. He speaks Spanish and Hebrew and is committed to accessible, expert heart rhythm care.

Marissa De La Paz Amaya, ANP-BC, CVNP-BC, is a bilingual Adult Nurse Practitioner at Chicago Cardiology Institute with over 16 years of experience. Specializing in general and interventional cardiology, she provides expert care for heart failure, coronary artery disease, and cardiomyopathy. Fluent in Spanish, Marissa is known for compassionate, patient-centered care, advanced diagnostics, and empowering patients to improve their heart health.