Through its subsidiaries, UHS operates inpatient acute care facilities, inpatient behavioral health facilities, outpatient and other facilities, nationwide virtual behavioral health services, an insurance offering, a physician network and various related services with physical locations in the U.S., Puerto Rico, Ireland and United Kingdom. Responsibilities Atlantic Region CBO: The Atlantic Region Central Billing Office ("ARCBO") or ("CBO") provides business office services including billing, collections, cash posting, pre-access management, variance, and customer service to our affiliated Universal Health Services hospitals.