Health Law Advisor

by Patricia M. Wagner and Ross K. Friedberg

Among the criteria that the “Proposed Statement of Antitrust Enforcement Policy Regarding Accountable Care Organizations Participating in the Medicare Shared Savings Program” (“Proposed Statement”) uses to evaluate an accountable care organization’s (“ACO’s”) risk of an antitrust challenge is the ACO applicant’s “market share” within each of its service lines. The market share is a measure of the share of services an ACO participant provides in its Primary Service Area (“PSA”) relative to other ...