Patient Portal; Josephine McAllister. Josephine C. McAllister, MD, FAAD is an award-winning Dermatologist, a Fellow of the American Academy of Dermatology (FAAD) and a Diplomate of the American Board of Dermatology (board-certified in Dermatology). ... McAllister also founded the Central New York Dermatology Society in 2018, leads the Ithaca ....