- RRaley's Family of Fine StoresJ1522
- RRalph LaurenJ1938
- RRam Mutual Insurance CompanyJ1894
- RRampart Insurance Company38512
- RRamsey County MinnesotaJ1663
- RRancho Santiago Community College District CaliforniaJ1635
- R
Randstad USAJ1456 - RRavenswood Physician AssociatesRPAWC
- R
RCI47076 - RRecologyJ1675
- RRed Oak Independent School DistrictA0205
- R
Redirect Health Administration86145 - RRedlands Community HospitalRCH23
- RRedlands IPA (Synermed)SYMED
- R
Redlands Yucaipa Medical Group18247 - RRedwood Coast PACER3483
- R
Redwood Health Services03293 - R
Reflect Health31441ELIGIBILITY - R
Regal Medical GroupREGAL - R
Regence BlueCross BlueShield of Oregon00851ELIGIBILITY - R
Regence BlueCross BlueShield of Utah00910ELIGIBILITY - R
Regence BlueShield of Idaho00611ELIGIBILITY - R
Regence BlueShield of Washington00932ELIGIBILITY - R
Regence Group AdministratorsRGA01ELIGIBILITY - R
Regency Employee Benefits38221 - RRegis BrandsJ1467
- R
Rehab Provider Network31127ELIGIBILITY - R
Rehn & AssociatesREHNA - R
Reimbursement Specialists IncZP1346 - RReliance Community Care Partners (RCCP)79846
- R
Reliance Global Group86304ELIGIBILITY - R
Reliance Matrix36088ELIGIBILITY - R
Reliance Matrix71005ELIGIBILITY - RReliance Standard Life Insurance CompanyAMTAS00427ELIGIBILITY
- RReligious Order of Jehovah's WitnessROJW1
- R
Renaissance Life and HealthRLHA1ELIGIBILITY - R
Renaissance PhysiciansRENGQ - R
Republic Franklin Insurance12475 - RRepublic Indemnity Company of AmericaJ1008
- RRepublic Western Insurance CompanyJ1597
- RResCare IncorporatedJ1376
- RResidential Services GroupJ1097
- RResolute Forest ProductsJ1954
- RRestaurant Reinsurance LimitedJ1098
- R
Resurrection Physician Providers GroupRPPG1 - RReturn to Work (RTW)J1202
- R
Revecore62177 - RRevMedJ1848
- RRHHI Home Health Medicare NHIC12HHA
- RRHHI Home Health Medicare Region IV (Gulf Coast/Midwest)12M80
- RRHHI Home Health Medicare Region V - Service Area 712M98
- RRhode Island Inter-Local Risk Management Trust, IncLS495
- RRhone Poulenc IncorporatedJ1099
- RRieth Riley Construction CompanyJ1100
- R
RightCare74205ELIGIBILITY - RRightChoice Benefits Administrators37331
- RRincol Health NetworkRHN01
- R
Rios Southwest Medical GroupRIOS1 - RRisk Administration ServicesJ1828
- RRisk Reduction StrategiesRISRX
- RRisk Transfer Technologies IncorporatedJ1101
- RRiverport Insurance (Minnesota School Board Association)J1546
- RRiverside Medical ClinicRMC01
- RRMSCO (Risk Management Services Company)16117
- R
Robert F. Kennedy Medical Plan44412 - RRochester Public Schools41625
- R
Rockford Mutual Insurance Company27065 - R
Rocky Mountain PACE93142 - R
Royal Neighbors of America10751ELIGIBILITY - RRSC Insurance Services Ltd.J1102
- R
Rubicon Health GroupIHS18 - R
Ryder Services Incorporated660407821ELIGIBILITY - R
Ryder Services Incorporated - Worker CompensationJ1009