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 – Thursday: 7:30 AM - 7:30 PM ET
  • Friday: 7:30 AM – 6:00 PM ET
  • Saturday: 9:00 AM – 1:00 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.