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| Payer Name | Payer ID | Type | Services | |
|---|---|---|---|---|
| Wake County | J3834 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wal-Mart | J1004 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Walker, Hunter & Assoc., Inc - Springs | J3835 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Walker, Hunter & Assoc., Inc - Timber Fund | J3836 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WARNER BROTHERS | J2385 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Warren County NY | J4231 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Washington County (OR) - CORVEL | J4045 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Washington Gas - CORVEL | J3865 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Washington Hospital Services - CORVEL | J4457 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Washington Mutual (OR) | J2210 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Water Holdings Acquisition, LLC (CORVEL) | J4469 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wayfair - CORVEL | J4114 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Waypoint Mutual (formerly Midwest Builders) | J3939 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WC Solutions | J3953 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WCF Insurance | J4248 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WE Energies | J1406 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wegmans | J3845 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wei-Chuan USA, Inc | J2278 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Weis Markets | J4524 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Weis Markets - Sunbury | J2206 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wellpath Holdings, Inc.-CORVEL | J4090 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wellpath Recovery Solutions, LLC | J4728 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wellpoint | WLPNT | commercial | UB04 1500 ERA Eligibility Attachments | More Info |
| Wesco Insurance Company - CA, MN, TX | J1857 | workerscomp | UB04 1500 ERA Attachments | More Info |
| West Bend - NSI | J3348 | workerscomp | UB04 1500 ERA Attachments | More Info |
| West Bend Mutual Insurance | J2088 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Western Agricultural Insurance Company | J3738 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Western Grain & Milling, Inc. | J4058 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Western Integrated Care (Benchmark) | J4466 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Western Integrated Care (WIC) | J4005 | workerscomp | UB04 1500 Attachments | More Info |
| Western National Assurance | J1569 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Western National Insurance Group | J1495 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Western National Insurance \ Pioneer Specialties | J1586 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Westfield Champion Insurance Company | J4148 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Westfield Insurance - CA,IL,LA,MN,NC,TN,TX,WI | J1858 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Westfield National | J3322 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Westfield Premier Insurance Company | J4149 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Westfield Superior Insurance Company | J4147 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Westfield Touchstone Insurance Company | J4150 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Westlake Services | J2235 | workerscomp | UB04 1500 ERA Attachments | More Info |
| White Castle System, Inc. - DOI 7/1/2024 and after only, Except OH Claims All DOI | J4547 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WI BCBS Institutional | 00450 | bcbs | UB04 ERA Eligibility Attachments | More Info |
| WI BCBS Professional | 00950 | bcbs | 1500 ERA Eligibility Attachments | More Info |
| WI Medicare Part A | 06001 | medicare | UB04 ERA Eligibility Attachments | More Info |
| WI Medicare Part B | 06302 | medicare | 1500 ERA Eligibility Attachments | More Info |
| Williams & Sonoma (Bunch CareSolutions) | J1473 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WILLIAMSON COUNTY GOVERNMENT (TN ONLY) - CORVEL | J2386 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Willow Bridge Property Company (LPC Resident Services) - CORVEL | J4205 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wilson Mutual Insurance (All States EXCEPT WI/MN) | J1893 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wilson Mutual Insurance - MN and WI Only | J1407 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wind Creek Bethlehem LLC - CORVEL | J4145 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Winnebago | J2271 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WJ Cox Associates, Inc. | J3954 | workerscomp | UB04 1500 ERA Attachments | More Info |
| WKS Restaurant Corp - Corvel | J4582 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wolverine Mutual Insurance Company | J4091 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Woodward, Inc. - CORVEL | J4365 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Work First Casualty Broadspire | J4507 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Work First Casualty Company | J4035 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Workers Compensation Fax Documents | C0100 | workerscomp | 1500 Attachments | More Info |
| World Trade Center - MCA Sedgwick | J4361 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Worldcom Inc | J1874 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Worthington Industries - CORVEL | J3757 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Wright Risk Management | J4177 | workerscomp | 1500 Attachments | More Info |
| WV Medicare Part B | 11402 | medicare | 1500 ERA Eligibility Attachments | More Info |
| WV/VA Medicare Part A | 11003 | medicare | UB04 ERA Eligibility Attachments | More Info |
| WY Medicare Part B | 03602 | medicare | 1500 ERA Eligibility Attachments | More Info |
| Wyman-Gordon Companies | J1117 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Xanitos, Inc - CORVEL | J4421 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Xcel Energy | J1628 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Xl Environmental, Inc. | J1055 | workerscomp | UB04 1500 ERA Attachments | More Info |
| xL Insurance America, Inc. (Aaris Captive) | J2284 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Yale University - DOI 7/1/2020 and after - (See comment for full list of states) - CORVEL | J4068 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Yellow Checker Star Transportation | J2313 | workerscomp | UB04 1500 ERA Attachments | More Info |
| YLG Holdings, Inc - CORVEL | J4146 | workerscomp | UB04 1500 ERA Attachments | More Info |
| York Claim Services | J1421 | workerscomp | UB04 1500 ERA Attachments | More Info |
| York Risk Services Group | J4503 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Zachry Construction - CA,IL,LA,MN,NC,OR,TX | J1409 | workerscomp | 1500 ERA Attachments | More Info |
| Zipcar | J3797 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Znat Insurance (Zenith National) | 30120 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Zoe Holding Company Inc. - CORVEL | J3766 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Zoetis, Inc. | J2184 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Zurich Farmers | J1015 | workerscomp | UB04 1500 ERA Attachments | More Info |
| Zurich Insurance N.A. | 16535 | workerscomp | UB04 1500 ERA Attachments | More Info |
