Akhtar K. Siddiqui, MD

Memorial Specialty Care Cardiology provides a premiere facility, comprehensive services and physicians who specialize in diseases and issues with the cardiovascular system. Our board-certified cardiologists and care team treat everything from ongoing conditions in the outpatient setting to more emergent needs with an inpatient stay. Through testing and screening, our team works with patients to better understand history and risk factors make a diagnosis and provide education on how to manage conditions by making healthy lifestyle choices. For emergent situations, our physicians are credentialed to practice at Decatur Memorial Hospital and the Memorial Surgery Center in Decatur.

Dr. Arnold is board certified in internal medicine, pulmonary medicine and sleep medicine. He completed his pulmonary fellowship at the Case Wester Reserve University in Cleveland, OH, his internship and residency at the Washington University School of Medicine in St. Louis, and medical school at the Pritzker School of Medicine in Chicago. He is a fellow of the American College of Chest Physicians and the American Academy of Sleep Medicine. Dr. Arnold is also a member of the American College of Physicians and the American Thoracic Society.

Dr. Zahi Nachef completed his pulmonary and critical care fellowship at the State University of New York at Buffalo, Buffalo, New York. He completed his internal medicine residency at Yale New Haven Hospital, New Haven, Connecticut and medical school at Saint Joseph University School of Medicine, Beirut, Lebanon. Dr. Nachef is certified by the American Board of Internal Medicine with added qualifications in pulmonary disease and critical care medicine.