An outpatient surgical center is barred from going to court to seek payment for services provided to employees of The Boeing Co., a federal judge held today.In a written opinion, U.S. District Judge Sara L. Ellis threw out a lawsuit the Greater Long Beach Surgery Center filed under the Employee Retirement Income Security Act of 1974.The California-based center is an out-of-network provider that treated six beneficiaries of the Boeing plan in exchange for an assignment of their benefits.The center sued after it was paid …