| ECS_ID | 
        Payer | 
        Add to My Payers | 
        States | 
        837P Professional Claims | 
        837I Institutional Claims | 
        Real Time Eligibility | 
        
         
        
        
        
          
            | 
          MCS01
          
           | 
          
          Managed Care Systems (GEMCARE)
          
           | 
          
           
           | 
          
          CA | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          22771
          
           | 
          
          Managed Health Network  (MHN)
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          22771
          
           | 
          
          Managed Health Network (MHN)
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          39186
          
           | 
          
          Managed Health Services Indiana (Medicaid HMO)
          
           | 
          
           
           | 
          
          IN | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          39187
          
           | 
          
          Managed Health Services Wisconsin
          
           | 
          
           
           | 
          
          WI | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          41159
          
           | 
          
          Managed Physical Network
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          41555
          
           | 
          
          Manatee Service Center - Bradenton, FL
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          75258
          
           | 
          
          Mapco, Inc.
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          09908
          
           | 
          
          Maricopa Health Plan – University Family Care
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          13310
          
           | 
          
          MARSH ADVANTAGE
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          22347
          
           | 
          
          Maryland Health Insurance Plan
          
           | 
          
           
           | 
          
          MD | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          00247
          
           | 
          
          Maryland Physicians Care
          
           | 
          
           
           | 
          
          MD | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          37121
          
           | 
          
          Mashantucket Pequot Tribal Nation
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          80314
          
           | 
          
          Mass Mutual
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          MMPHB
          
           | 
          
          Masters Mates and Pilots Plan
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          41154
          
           | 
          
          Mayo Management Services, Inc. (MMSI)
          
           | 
          
           
           | 
          
           | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          87065
          
           | 
          
          MBA Benefit Administrators (Payer ID valid for claims with a submission address of PO Box 651109, Salt Lake City, UT  84115)
          
           | 
          
           
           | 
          
          UT | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          87065
          
           | 
          
          MBA Benefit Administrators, Inc. (Salt Lake City, UT)
          
           | 
          
           
           | 
          
          UT | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          87065
          
           | 
          
          MBA of Wyoming (Payer ID valid for claims with a submission address of PO Box 98, Worland, WY  82401)
          
           | 
          
           
           | 
          
          WY | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
          
            | 
          87065
          
           | 
          
          MBA of Wyoming (Worland, WY)
          
           | 
          
           
           | 
          
          WY | 
          
          
             
          
           | 
          
          
           | 
          
          
           | 
          
           
        
        
       
     
  
 
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