LUBBOCK, Texas, Nov. 17, 2014 /PRNewswire/ -- The MED Group, a Managed Health Care Associates, Inc. (MHA) company, today announced that it entered into an agreement with OmniSYS, a nationally recognized leader in Medicare Part B claims reimbursement and compliance services for HME/DME providers and other alternate site providers, to offer comprehensive revenue cycle management and compliance services.read more