Contact Us
Department Contacts
Eligibility, Benefits & Claims Inquiries Provider Inquiry Unit or MedMutual VoiceConnect® for Providers
(24-hour Voice Response System)
1-800-362-1279
Customer Care Hours
- Monday – Friday: 8:00 AM - 5:00 PM ET
Contracting Offices
- 100 American Road
- Cleveland, OH 44144
- 1-800-625-2583 Toll-Free
- 1-216-687-7994 Fax
Not sure which Provider Contracting office to call?
See which regional office (opens a new window) supports your county.