Mealey's (December 18, 2020, 12:32 PM EST) -- SAN FRANCISCO — In a Dec. 17 ruling, a panel of the Ninth Circuit U.S. Court of Appeals found that a medical provider sufficiently alleged that an insurer was equitably estopped from raising an anti-assignment provision in an Employee Retirement Income Security Act-governed plan as a reason for denying a claim for benefits (Beverly Oaks Physicians Surgical Center v. Blue Cross Blue Shield of Illinois, No. 19-55820, 9th Cir., 2020 U.S. App. LEXIS 39636)....