Rheumatology What is Rheumatology? Rheumatology is the treatment of illnesses related to the joints, muscles and bones or other tissue. Some conditions requiring rheumatology services include arthritis, rheumatism, gout and lupus. Horizon locations offering this service: Moncton Facility Name Address Phone The Moncton Hospital 135 MacBeath Ave., Moncton, New Brunswick, E1C 6Z8 506-857-5111 Saint John Facility Name Address Phone Saint John Regional Hospital 400 University Ave., Saint John, New Brunswick, E2L 4L2 506-648-6000 Fundy Health Centre 34 Hospital St., PO Box 1298, Blacks Harbour, New Brunswick, E5H 1K2 506-456-4200