Dr. Sarah Shewayish graduated from the University of Baghdad, College of Medicine and later trained for two years at the Medical City Complex Hospitals there. She relocated to Dubai, where she worked at Cosmesurge and Emirates Hospital clinics as a senior patient educator, and later as a junior house officer. During her time at the United Arab Emirates, she gained emergency room experience at Al Quassimi Hospital and Al Kuwaiti Hospital. Dr. Shewayish trained in Internal Medicine at the University of Nevada School of Medicine and associated hospitals. Following her residency, she worked two years as a Hospitalist at Dignity Health St. Rose Dominican Hospital in Las Vegas. She completed her Infectious Disease Fellowship at the University of South Florida Morsani College of Medicine. During her fellowship, Dr. Shewayish played an integral role as a member of the COVID-19 task force at Tampa General Hospital not only evaluating and managing patients; but also preparing the hospital for the COVID-19 pandemic. She was part of the team that educated Internal Medicine residents and subspecialty fellows on COVID-19.

She is board certified in Internal Medicine and board eligible in Infectious Disease. She is also a member of the American College of Physicians and the Infectious Disease Society of America. During her fellowship, she was a co-investigator in several HIV Therapy Trials. She joined Infectious Disease Associates of Tampa Bay in 2020 with special interest in general infectious diseases, infections in immunocompromised and transplant patients; as well as orthopedic infections especially prosthetic joint infections.