ABOUT US Companies We Represent Below are the companies that we currently represent and feel that they provide superior products and services for our clients with integrity. For questions or assistance, please contact a Medical Mutual representative at 1-800-382-5729 (TTY/TDD 711 for the hearing impaired).Hours of OperationMon. – Thurs. – 7:30 a.m. – 7:30 p.m. (ET)Fri. – 7:30 a.m. – 6:00 p.m. (ET)Sat. – 9:00 a.m. – 1:00 p.m. (ET)General Website: https://www.medmutual.com/Contact us: https://www.medmutual.com/About-Medical-Mutual/Contact-Medical-Mutual.aspx