Omar Marar, MDMackinaw Surgery Center2019-11-25T09:18:58-06:00 Education Royal College of Surgeons Dublin, Ireland Residency UPDATE PENDING Fellowship Colorectal Surgery Thomas Jefferson University Hospital Board Certifications ABS: General Surgery American Board of Colon & Rectal SurgeryPractice CMU Health Department of Surgery Our Physicians Anthony Zacharek, MD November 19th, 2019 Yong Yoon, MD November 19th, 2019 Joseph Yacisen, DO November 19th, 2019