Ancillary Care Services (ACS) is the exclusive provider of ancillary services for our provider networks. ACS has been the primary ancillary network solution for HealthSmart since 2005. Ancillary healthcare services supplement or support the care provided by hospitals and physicians, including laboratories, dialysis centers, free-standing diagnostic, non-hospital surgery centers, as well as durable medical equipment such as orthotics, prosthetics and more.

ACS offers cost effective alternatives to physician and hospital-based services through its comprehensive national network of approximately 2,500 ancillary service providers at over 25,000 sites.