title: Blues HMO in limbo. Mass. Medicare plan, stuck in probe, loses key provider.
authors.forename: J
authors.initials: J
authors.lastname: Morrissey
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans / Q000331:legislation & jurisprudence*; D014487:Centers for Medicare and Medicaid Services, U.S.; D005607:Fraud / Q000331:legislation & jurisprudence*; D006279:Health Maintenance Organizations / Q000331:legislation & jurisprudence*; D008404:Massachusetts; D014481:United States