All Payer
FLCT (includes FLCT and FLMC)
IOWA (includes IOWA and WPS1)
AVAP (Nationwide)
TNBB (TN) BUNDLE (includes CIGN)
WMSC (Premera Blue Cross/MSC)
GPNT
APN1 (Arizona All Payer Network)
UHIN (Utah Health Information Network)

Single Payer
AIM1 Mcr/BCBS (IN, KY)
ARMB Mcr (AR, LA) BCBS (AR)
CAMC (CA)
HMSA HMSA/HMSA HMO/Quest
CIGN (TN, NC, ID0)
FLMC (Florida Medicaid via EDS)
GAMS (GA, MS)
NDMB Mcr (AK, AZ, ND, SD, UT, WY, OR, MO, WA) and BCBS (ND, WY)
NHIC Mcr (MA, NH, VT, ME)
NYEB Mcr (CT, NY upstate/downstate/Queens)
Empire BCBS, Comm (NY)
NYMA MCD (NY)
UNIS MCD (WV, LA)
PABS Mcr (MD, DE, NJ, DC, PA) BCBS PA
WPS1 Mcr (IL, IA, MI, MN, WI) Tricare/EPIC/WPC Comm (WI)