Dr. Jason R. Haldas received his medical degree from the University of Virginia School of Medicine in Charlottesville, Va., in 1996. His residency was in general internal medicine at Rhode Island Hospital (Brown University) from 1996 to 1999, followed by his fellowship in hematology and oncology at Medical University of South Carolina in Charleston, SC, from 1999 to 2002. Dr. Haldas practiced with Oncology & Hematology Associates of New London.