Let's talk. Our Benefits Advisers are available Mon. - Fri. from 7 a.m. - 7 p.m. Central time and are ready to answer your questions. Live chat Schedule a benefits session Watch a webinar Call now 800.262.4342. If you're a current GEHA member and need help, call 800.821.6136 (medical) or 877.434.2336 (dental). Set up your reminder..