Whether the anti-assignment provision in the Delta Air Lines Plan apply to W. A. Griffin, MD ("Dr. Griffin"). Anti-assignment and anti-alienation provisions contained in employer sponsored group health benefit plans subject to the Employee Retirement Investment Security Act of 1974 ("ERISA") are usually not applicable to an assignee who is the provider of the services which the plans are maintained to furnish. Dr. Griffin provided health services to Patient G. A., an individual covered by the Delta Air Lines, Inc. ("Delta") employer-sponsored group health benefit plan ("Delta Plan"), and Patient G.A. executed an assignment to Dr. Griffin that states the assignment is a "direct legal assignment of [Patient G.A.'s] rights and benefits under" the Delta Plan.

Whether a plan administrator and claims fiduciary can be estopped from asserting, and can waive, an anti-assignment or anti-alienation provision by failing to timely assert the provision. Neither Delta, as plan administrator of the Delta Plan, nor United Healthcare Insurance Company ("United"), as claims fiduciary of the Delta Plan, asserted the application of the Delta Plan's anti-alienation provision during the process of Dr. Griffin's appeals from underpayment for provided health services.

Whether Patient G.A. assigned to Dr. Griffin the right to sue for breach of fiduciary duties, breach of co-fiduciary duties, and failure to provide plan documents. On March 31, 2015, Patient G.A. executed an assignment to Dr. Griffin that states the assignment is a "direct legal assignment of [Patient G.A.'s] rights and benefits under" the Delta Plan.

Whether published Eleventh Circuit case law that voids assignment of benefits using unambiguous anti-assignment clauses incorporated into the Delta Plan is legal in Georgia, a state with mandatory provider assignment of benefit legislation.

Whether the anti-assignment provision in the Delta Air Lines Plan apply to W. A. Griffin, MD (Dr. Griffin)"