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| Payer Name | Payer ID | Type | Services | |
|---|---|---|---|---|
| Western Health Advantage | 68039 | commercial | UB04 1500 | 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 Mutual Insurance | 37247 | commercial | ERA | More Info Change Healthcare Issue |
| 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 |
| Western Oregon Advanced Health | DOCSO | UB04 1500 ERA | More Info | |
| Western Pennsylvania Electrical Employees Insurance Trust Fund | RP083 | commercial | UB04 1500 | More Info |
| Western Southern Financial Group | 31048 | commercial | UB04 1500 | 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 |
| WEX Health Inc. | ERA24 | ERA | More Info | |
| Weyco Inc | 38232 | commercial | ERA | 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 |
| WholeHealth Networks, Inc | 58213 | commercial | 1500 ERA | More Info |
| WI BCBS Institutional | 00450 | bcbs | UB04 ERA Eligibility Attachments | More Info |
| WI BCBS Medicaid | WIBCM | commercial | UB04 1500 ERA | More Info |
| WI BCBS Professional | 00950 | bcbs | 1500 ERA Eligibility Attachments | More Info |
| WI Medicaid | WIMCD | medicaid | UB04 1500 ERA Eligibility | 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 |
| Wilco Life Insurance Company | 65900 | ERA | More Info | |
| William C Earhart | 93050 | commercial | UB04 1500 ERA | 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 |
| WilsonMcShane | 41095 | commercial | UB04 1500 | 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 |
| Worksite Benefit Services LLC | 20333 | commercial | ERA | More Info Change Healthcare Issue |
| 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 |
| WPS Commercial | WPS01 | commercial | 1500 ERA Eligibility | More Info |
| WPS Tricare for Life | TDFIC | commercial | UB04 1500 ERA Eligibility | More Info |
| Wright Risk Management | J4177 | workerscomp | 1500 Attachments | More Info |
| WV BCBS - Highmark | 54828 | bcbs | UB04 1500 ERA Eligibility | More Info |
| WV Medicaid | SKWV0 | medicaid | UB04 1500 ERA Eligibility | More Info |
| WV Medicare Part B | 11402 | medicare | 1500 ERA Eligibility Attachments | More Info |
| WV Senior Solutions Highmark | 15459 | commercial | UB04 1500 ERA | More Info |
| WV/VA Medicare Part A | 11003 | medicare | UB04 ERA Eligibility Attachments | More Info |
| WY Blue Cross Institutional only | 00460 | bcbs | UB04 ERA Eligibility | More Info |
| WY Blue Shield | 00960 | bcbs | 1500 ERA Eligibility | More Info |
| WY Medicaid | WYMCD | medicaid | UB04 1500 ERA Eligibility | 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 |
| XO Health | XO125 | UB04 1500 ERA | 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 |
| Yale University Health Plan | 60646 | commercial | 1500 ERA | More Info |
| Yamhill CCO - Mental Health/SUD | YAMHL | commercial | UB04 1500 ERA | More Info |
| Yamhill COO Physical Health | 77943 | commercial | UB04 1500 ERA | More Info |
| Yellow Checker Star Transportation | J2313 | workerscomp | UB04 1500 ERA Attachments | More Info |
| YesCare Health | 43160 | commercial | UB04 1500 | 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 |
| ZENITH ILWU-PMA | ILWUP | commercial | UB04 1500 ERA | More Info |
| Zenith IPI/ Zenith Atlas/ Zenith ISSI | 20547 | ERA | More Info | |
| Zing Health | 83248 | commercial | UB04 1500 ERA | 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 |
