Does Memorial Hermann Have a Contract With BCBS? What Are The Terms?

Molly Mulebriar, Award Winning Investigative Reporterette
  Molly Mulebriar, ace reporterette and acknowledged forensic auditor, informs us that an unexpected visit at Memorial Hermann Hospital in Houston several weeks ago has produced a new twist to her on-going investigation of PPO contracts.
 Does BCBS have a contract with Hermann Memorial? If so, what kind of deal did both parties negotiate?
You will be surprised at the answers. 
Mulebriar has promised to file a full report next week.