Find a Doctor S Provider Directory Aetna Alan Sadah, MD (773) 854-5475 Specialties Urology View Profile Darryl Schlegel, MD Specialties Emergency Medicine View Profile Antonio Senat, MD (773) 854-5475 Specialties Cardiovascular Disease View Profile Muhammad Shahzad, MD Specialties Internal Medicine View Profile Gulam Siddiqui, MD Specialties Emergency Medicine View Profile Mumtaz A. Siddiqui, MD, FACC, FRCP (UK) (773) 854-5475 Specialties Cardiology Electrophysiology View Profile Angelo Stamos, DMD (773) 854-5475 Specialties Dentistry View Profile