Dr. Costello graduated from the St Georges University School of Medicine in 2009. He works in East Islip, NY and 2 other locations and specializes in Family Medicine. Dr. Costello is affiliated with Stony Brook University Hospital.
"Dr Costello is friendly and thorough. He took the time to talk to me about my situation and helped put me in a good mind space and helped me figure out a health plan. I felt like he genuinely cared and I didn't feel rushed."