Call 888-810-5995 to speak with a Methadone counselor. Who Answers? Methadone Doctors in Groton, Connecticut Robert Gianfrocco, D.O. Pequot Health Center 52 Hazelnut Hill Road Groton, CT 06340 View Details → Michael Alper, M.D. Pequot Health Center 52 Hazlenot Hill Road Groton, CT 06340 View Details →