Joel J. Alpert, MD, 83, of Palm Beach Gardens, Fla., Wayland, Mass. and East Parsonsfield, Me., died Dec. 31. He was the husband of Barbara (Wasserstrom) Alpert. He was the son of the late Herman H. and Alice (Jacobs) Alpert. He is survived by his children, Norman Alpert and his wife Jane of Purchase, N.Y., Mark Alpert and his wife Michelle of Canton, and Deborah Levin and her husband Steven of Wellesley, Mass.; his grandchildren, Caroline, Erin, Heidi, Adam and Natalie Alpert, Joshua and Zachary Levin and Samantha Alpert; his sister, Edith Slossberg and her husband Burton of Hamden; and many nieces and nephews.