| Adventist Health Plan | MPM37 | commercial | UB04 1500 | More Info |
| Custody Medical Services Program | AMM03 | commercial | UB04 1500 | More Info |
| 1199 National Benefit Fund | 13162 | | UB04 1500 ERA Eligibility | More Info |
| 1st Auto & Casualty - MN Only | J1585 | workerscomp | UB04 1500 ERA | More Info |
| 6 Degrees Health Incorporated | 20446 | commercial | UB04 1500 | More Info |
| A I Benefit Plan Administrators | 93044 | commercial | UB04 1500 | More Info |
| A-G Administrators LLC | 11370 | | UB04 1500 ERA | More Info |
| A.W. Holdings LLC Dba Benchmark - CT, FL, GA, IN, MD, MI, MO, NJ, NM, TN, VA - CORVEL | J1976 | workerscomp | UB04 1500 ERA | More Info |
| AAA - Minnesota/Iowa | 11983 | workerscomp | UB04 1500 ERA | More Info |
| AARP | 36273 | commercial | UB04 1500 ERA Eligibility | More Info |
| Absolute Total Care | 68055 | commercial | UB04 1500 ERA Eligibility | More Info |
| Acadia Insurance Company | J1477 | workerscomp | UB04 1500 ERA | More Info |
| Access Administrators | TH067 | commercial | UB04 1500 | More Info |
| Access Community Health Network Chicago IL Family Health Network patients | 51909 | commercial | UB04 1500 | More Info |
| Access Integra | INTEG | commercial | 1500 ERA | More Info |
| Access Medical Group | AMG02 | commercial | UB04 1500 | More Info |
| Accident Fund Insurance Co of America | J1790 | workerscomp | UB04 1500 ERA | More Info |
| Acclaim | 64071 | commercial | UB04 1500 ERA | More Info |
| Accountable Care Management Group, LLC | 45328 | commercial | UB04 1500 | More Info |
| Accountable HC IPA | AHIPA | commercial | UB04 1500 | More Info |
| Accuride Corporation | J1024 | workerscomp | UB04 1500 ERA | More Info |
| Ace USA | J1024 | workerscomp | UB04 1500 ERA | More Info |
| Ace Usa (Rocklin Office) | J2226 | workerscomp | UB04 1500 ERA | More Info |
| ACIG Insurance Company - TX and MN | J1578 | workerscomp | UB04 1500 ERA | More Info |
| ACS Benefits / Payer Compass | PA331 | commercial | UB04 1500 ERA | More Info |
| ACTIN Care Groups | 24585 | commercial | UB04 1500 | More Info |
| Activa Benefit Services LLC | 38254 | commercial | UB04 1500 ERA | More Info |
| Active Care, Inc | J3840 | workerscomp | UB04 1500 | More Info |
| ActivHealthCare | AHC01 | commercial | 1500 | More Info |
| ACTS Retirement - Life Communities | J2163 | workerscomp | UB04 1500 ERA | More Info |
| Actuarial Management Resources | 30377 | | ERA | More Info |
| Acuity, A Mutual Insurance Company | J1240 | workerscomp | UB04 1500 ERA | More Info |
| ACWA JPI | J2286 | workerscomp | UB04 1500 ERA | More Info |
| AD-COMP | J1667 | workerscomp | UB04 1500 ERA | More Info |
| Adelanto Correctional Facility (CA) | J1798 | workerscomp | ERA | More Info |
| Administaff -TX,MN,CA,IL,LA,OR,NC | J1241 | workerscomp | UB04 1500 ERA | More Info |
| Administrative Claim Service, Inc | J1005 | workerscomp | UB04 1500 ERA | More Info |
| Administrative Concepts Inc | 22384 | commercial | UB04 1500 ERA Eligibility | More Info |
| Administrative Service Professionals | 20405 | commercial | ERA | More Info |
| Administrative Services Inc | 59141 | commercial | UB04 1500 | More Info |
| Adminsure | J2292 | workerscomp | UB04 1500 ERA | More Info |
| Admiral Linen & Uniform Service | J2144 | workerscomp | UB04 1500 ERA | More Info |
| Advance America Cash Advance Centers | J1843 | workerscomp | UB04 1500 ERA | More Info |
| Advance Services, Inc. | J1608 | workerscomp | UB04 1500 ERA | More Info |
| Advanced Auto Parts - All states ExCEPT Tx MN | J2162 | workerscomp | UB04 1500 ERA | More Info |
| Advanced Auto Parts - Tx MN | J2161 | workerscomp | UB04 1500 ERA | More Info |
| ADVANCED DATA SOLUTIONS | 58202 | commercial | UB04 1500 | More Info |
| Advanced Medical Doctors of CA | AMDC1 | commercial | UB04 1500 | More Info |
| Advanced Medical Management - Seoul Medical Group | AMM07 | commercial | UB04 1500 | More Info |
| Advanced Medical Management - County Medical Services Program | AMM15 | commercial | UB04 1500 | More Info |
| Advanced Medical Management - Custody Medical Services | CMSP3 | commercial | UB04 1500 | More Info |
| Advanced Medical Management - Emergency Medical Services Fund | EMSF3 | commercial | UB04 1500 | More Info |
| Advanced Medical Management - Medical Safety Net | AMM13 | commercial | UB04 1500 | More Info |
| Advanced Medical Management - Sacramento Physicians Emergency Medical Services | AMM17 | commercial | 1500 | More Info |
| Advantek Benefit Administrators | 83077 | commercial | UB04 1500 ERA | More Info |
| ADVANTICA BENEFITS | 59374 | commercial | UB04 1500 | More Info |
| Advanzeon Solutions | 59314 | commercial | UB04 1500 | More Info |
| Adventist Health Care Network | MPM51 | commercial | UB04 1500 ERA | More Info |
| Adventist Health Hanford-AHP | MPM36 | commercial | UB04 1500 ERA | More Info |
| Adventist Health System West-Roseville, CA | 95340 | commercial | UB04 1500 ERA | More Info |
| Adventist White Memorial-Crown City Medical Group | MPM33 | commercial | UB04 1500 | More Info |
| ADVISORY HEALTH ADMINISTRATORS | CB159 | commercial | UB04 1500 ERA | More Info |
| Advocare MCO, Inc | J1896 | workerscomp | UB04 1500 ERA | More Info |
| Advocate Health Centers | 36320 | commercial | UB04 1500 ERA | More Info |
| Advocate Physician Partners | 65093 | commercial | UB04 1500 ERA | More Info |
| Aegis Administrative Services | CB637 | commercial | UB04 1500 ERA | More Info |
| Aetna | 60054 | commercial | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health IL - Premier Plan MMAI | 26337 | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of California | 128CA | commercial | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Florida | 128FL | commercial | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Illinois/ IlliniCare | 68024 | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Kansas | 128KS | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Kentucky | 128KY | commercial | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Louisiana | 128LA | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Maryland | 128MD | commercial | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Michigan | 128MI | commercial | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of New Jersey | 46320 | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of New York | 34734 | commercial | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Ohio | 50023 | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of Virginia | 128VA | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health of West Virginia | 128WV | | UB04 1500 ERA Eligibility | More Info |
| Aetna Better Health Pennsylvania | 23228 | medicaid | UB04 1500 ERA Eligibility | More Info |
| Aetna RTS Unit | ERA50 | | ERA | More Info |
| Aetna Senior Supplemental Insurance | AESSI | commercial | Eligibility | More Info |
| Aetna Senior Supplemental Insurance (Aetna SSI) | 62118 | commercial | ERA | More Info |
| Aetna TX Medicaid CHIP | 38692 | medicaid | UB04 1500 ERA Eligibility | More Info |
| AF Specialty Assigned Soltions | J2279 | workerscomp | UB04 1500 ERA | More Info |
| Affiliated Doctors of Orange County | ADOCS | commercial | UB04 1500 | More Info |
| Affiliated Foods, Inc. | J1977 | workerscomp | ERA | More Info |
| Affiliated Partners IPA | POP09 | commercial | 1500 | More Info |
| AFFINITY MEDICAL GROUP | 46594 | commercial | UB04 1500 | More Info |
| AGA | 37280 | commercial | UB04 1500 ERA | More Info |
| Agency Services Inc | 64158 | commercial | UB04 1500 ERA Eligibility | More Info |
| AgeRight Advantage | ARA01 | commercial | UB04 1500 ERA | More Info |
| Agewell New York | AWNY6 | commercial | UB04 1500 | More Info |
| AHP Provider Network | MPM38 | commercial | 1500 | More Info |
| AHPO Cleveland OH | 31138 | commercial | UB04 1500 | More Info |
| AIDS Healthcare Foundation | 95422 | commercial | UB04 1500 ERA | More Info |
| AIG | 19402 | workerscomp | UB04 1500 ERA | More Info |
| Air Liquide USA LLC | J1516 | workerscomp | ERA | More Info |
