Jack Cossman, MD is a board-certified dermatologist and fellow of the American Academy of Dermatology. Before coming to GSD, Dr. Cossman practiced general, surgical, and cosmetic dermatology on the Upper West Side of Manhattan. In addition, he taught weekly at the NYU dermatology resident clinic at Bellevue Hospital, where he managed complex medical cases. He now looks forward to bringing my expertise to a new community and welcomes patients of all ages and all skin conditions. In particular, Dr. Cossman enjoys treating acne and acne scarring, hair loss, psoriasis, skin cancer, as well as facial aesthetics.

Dr. Cossman trained almost entirely in Providence, Rhode Island. He graduated from Brown University, earning both his bachelor’s degree and medical degree. His internship was at Yale New Haven Hospital, and then he returned for his dermatology training at Roger Williams Medical Center in Providence.

While he dedicates much of his time to his career, Dr. Cossman still enjoys traveling, cooking, and spending time with his family and chihuahuas. He has been to 49 states (just missing Iowa!), 55 National Parks, and 35 countries. Dr. Cossman looks forward to exchanging travel stories as he gets to know his new patients.