Dr. Doumas obtained his medical degree from UMDNJ: New Jersey Medical School (2001) after completing his undergraduate studies at The College of William and Mary (1997). He completed an internship and residency in orthopaedic surgery at University of Miami, Jackson Memorial Hospital (2006). Following residency, he completed his training at The University of Pennsylvania in hand and upper extremity surgery (2007). He is a board certified orthopaedic surgeon with subspecialty certification in hand surgery. He volunteered in Haiti after the 2010 earthquake as a surgeon with Project Medishare. He has been a hand and upper extremity surgeon teaching residents and students since 2007 with University Orthopaedic Associates, LLC in Somerset, NJ and Wall, NJ. He is chief of Hand Surgery at Jersey Shore University Medical Center and Clinical Assistant Professor of Orthopaedic Surgery at Rutgers Medical School.

Recently, as a side project to better educate patients, he founded LibraryOfMedcine.com, part of a global healthcare initiative to improve how patients understand their health. This initiative recently launched the world's first medical journal written for patients and is currently accepting submissions from doctors around the world. His goals are to improve health literacy of the general population and assist patients in making more informed decisions by bringing understandable research to them using simple easy to understand articles.