Merit Health Medical Group. ... Conveniently pay your hospital bill online. Patient Portal. Access your medical information on demand. ... Biloxi, MS 39530 (228) 432-1571. 17Min. Visit Website; Directions; Merit Health Central; Merit Health Central. 1850 Chadwick Dr Jackson, MS 39204 (601) 376-1000. 6Min. Visit Website; Directions; Merit Health ....