Quest named exclusive independent lab provider for all Sentara Health Plans in Virginia and Florida SECAUCUS, N.J and HAMPTON ROADS, Va., Sept. 18, 2024 /PRNewswire/ -- Quest Diagnostics (NYSE: DGX), the world's leading provider of diagnostic information services, and Sentara Health Plans, the health plan division of Sentara Health, an integrated, not-for-profit health care delivery system, today announced a multiyear strategic collaboration designed to expand access to high-quality, affordable and comprehe ...