Cherie Tan, M.D., a medical oncologist and hematologist, has joined Hematology-Oncology Associates of CNY (HOA) and will work in its new Camillus Cancer Center opening on Sept. 16. Until then, she is caring for patients in HOA’s Brittonfield location in the town of DeWitt. A native of Toronto, Dr. Tan is board-certified in internal medicine, and a graduate of University of Toledo College of Medicine. She completed an internal-medicine residency at Robert Wood Johnson Medical School in New Brunswick, New Jersey and specialty training (fellowship) in hematology and oncology at University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, where she served as chief fellow. While completing her training, Tan also worked in mixed tumor and bone-marrow transplant services at the University of Maryland Medical Center.