Call the IEHP Enrollment Advisors at (866) 294-4347, Monday - Friday, 8am - 5pm. TTY users should call (800) 720-4347. You may also call Health Care Options at 1-800-430-4263 or visit www.healthcareoptions.dhcs.ca.gov. TTY users should call 1-800-430-7077. Important Reading for IEHP Medi-Cal Members..