Call 888-810-5995 to speak with a Methadone counselor. Who Answers? Methadone Doctors in Ewa Beach, Hawaii David Barton, M.D. 91-896 Makule Road Suite 102 Ewa Beach, HI 96706 View Details → Celia Ona, M.D. 91-2301 Old Fort Weaver Road Ewa Beach, HI 96706 View Details →