Call 888-810-5995 to speak with a Methadone counselor. Who Answers? Methadone Doctors in Billings, Montana Rickie Pullen, M.D. Rimrock Foundation 1231 North 29th Street Billings, MT 59101 View Details → David Healow, M.D. 2501 4th Avenue Billings, MT 59101 View Details → David Healow, M.D. 652 Park Lane Billings, MT 59102-1931 View Details →