Offering State-of-the-Art Treatment for Hand and Upper Extremity Conditions Sacha Matthews, MD Fellowship trained hand and upper extremity surgeon. ST. MARY'S Orthopedics 117 Auburn St., Portland 207.797.4791 StMarysOrtho.com A Member of Covenant Health Offering State-of-the-Art Treatment for Hand and Upper Extremity Conditions Sacha Matthews, MD Fellowship trained hand and upper extremity surgeon. ST. MARY'S Orthopedics 117 Auburn St., Portland 207.797.4791 StMarysOrtho.com A Member of Covenant Health