Dr. Rosenfeld graduated Queens College, NY, Phi Beta Kappa in 1974, then attended the Medical College of Virgina in Richmond, 1974-1978. After 2 years Internal Medicine training at Long Island Jewish Hospital, N.Y., he completed his Dermatology Fellowship at Brown University Affiliated Hospitals in 1983. He is past president of the Worcester District Medical Society and represents the district as delegate to the Mass. Medical Society. He is on medical staff at Umass - Memorial Hospital, and Saint Vincent Hospital in Worcester, since 1983. He is a member of Phi Beta Kappa, the A.M.A, Fellow of the American Academy of Dermatology, ASDS, Am. Society of Laser Medicine, Am. Society of Cosmetic Surgery, Mass. Medical Society, N.E. Derm. Society, and Mass. Academy of Dermatolgy. He is Board Certified in Dermatology. He has spoken on radio and television on skin cancer and other dermatology issues. He has a solo, private practice in Worcester, MA, since 1983. In addition to his profession, he also enjoys woodworking, painting, biking, hiking and mineral collecting.