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Hospital Directory

Frances Mahon Deaconess Hospital is currently open by appointment only. Please call for an appointment before entering the building. If you do not have an appointment, you will not be allowed in the building.

Contact us at (406) 228-3500 to book an appointment.

Visitation Status: One visitor allowed per patient if you are an inpatient, an obstetric patient, a minor, designated driver for a surgery patient, or physically unable to attend your appointment without assistance.

  • Emergency Department
  • 9-1-1
  • Medical Staff Office: fax number
  • (406) 228-3680
  • Patient Account Rep handling last names that start with A-F
  • (406) 228-3621
  • Patient Account Rep handling last names that start with G-N
  • (406) 228-3622
  • Patient Account Rep handling last names that start with O-Z
  • (406) 228-3624
  • Rehabilitation Services - Physical and Occupational Therapy
  • (406) 228-3635