About Mayo Regional Hospital. Mayo Regional Hospital is a group practice with 1 location. ... Mayo Regional Hospital. 897 W Main St Dover-Foxcroft, ME 04426 (207) 564-8401. Not Available. Office Information. Fax: (207) 564-3441. Practice Website: Not Available. Accepting New Patients: No. Medicare Accepted: No. Medicaid Accepted: No. Physicians ....