The Fifth Circuit ruled that an out-of-network medical provider that was assigned a patient’s rights to health insurance benefits has standing to sue a health plan that underpays its portion of the benefits due even if the plan participant portion is paid in full. North Cypress Medical Ctr. Operating Co., et al. v. Cigna Healthcare, et al., No. 12-20695 (5th Cir. Mar. 10, 2015).