Dr. Gregory Thomas O'Conor is a seasoned hematologist based in Lancaster, PA, with specializations in Hematology, Medical Oncology, and Internal Medicine. An alumnus of Georgetown University, he earned his medical degree in 1978 and has accrued over 45 years of extensive clinical experience, showcasing a deep commitment to high-quality patient care. His expertise encompasses a wide range of conditions including complex blood disorders, chronic illnesses, and comprehensive cancer care. Dr....