Dr. Nusbaum is a member of the American Academy of Cosmetic Surgery, the International Society of Hair Restoration Surgery, and the American Hair Loss Council. Dr. Nusbaum is also a Diplomat of the American Board of Dermatology and the American Board of Hair Restoration Surgery (Board not affiliated with the Florida Board of Medicine).
Dr. Nusbaum has served as chief resident in the Department of Dermatology at Mt. Sinai Medical Center in Miami and as clinical instructor of the University of Miami's School of Medicine Department of Dermatology and Cutaneous Surgery. His critical opinions on new hair transplantation techniques frequently appear in medical literature.