Mercy Medical Center, Inc. v. United Healthcare of Mid-Atlantic, Inc.

Appellant, Mercy Medical Center, Inc. (“Mercy”), guaranteed a medical services contract between Maryland Personal Physicians, Inc. (“MPPI”), a physicians’ network created by Mercy, and appellee, United Healthcare of the Mid-Atlantic, Inc. (“United”), a health maintenance organization (“HMO”). 1 Specifically, Mercy guaranteed the payments MPPI was to make, under that contract, to medical service providers for services rendered by those providers to United’s members. When MPPI was unable to make those payments, United turned to Mercy.

Invoking Mercy’s guarantee, United demanded that Mercy pay…