Responsibilities. BHC Alhambra Hospital. Medi-Cal Treatment Authorizatio. n Request (TAR) Coordinator – Per Diem. . . Shift. 5 days per week. 3:30 pm – 8:00 pm. . Are you caring, compassionate and hardworking. . Apply today to join our amazing team. . BHC Alhambra Hospital. is located in the beautiful city of Rosemead, California. Our 115 bed facility established in 1924 prides itself on upholding a standard of excellence that allows our patients...