0 All Specialties Anesthesiology/Anesthetics Hillary Riggin, CRNAAnesthesiology/AnestheticsHillary Riggin joins the Anesthesia team at Northern Montana Hospital from Saint Mary’s University of Minnesota where she completed her Master’s of Science in Nurse Anesthesia. LOCATION Northern Montana HospitalSPECIALTY Anesthesiology/AnestheticsAnesthetics