SANTA CLARA, Calif., Sept. 03, 2019 (GLOBE NEWSWIRE) — SI-BONE, Inc., (Nasdaq: SIBN), a Silicon Valley-based medical device company dedicated to solving musculoskeletal disorders of the sacro-pelvic anatomy, today announced that Wellmark Blue Cross Blue Shield (BCBS) has established positive coverage for MIS SI joint fusion, providing access to the iFuse Implant System for its …