- Eagle ClaimsJ1934
- Early Intervention Central Billing36434
- East West AdministratorsEWACA
- Eastern AllianceJ2143
- Eastern Dentists Insurance CompanyJ1289
- Eastern Iowa Community Healthcare (EICH)23861
- Eastern Life and HealthTLZ28
- Eastern Maine Healthcare Systems (EMHS) Employee Health Plan16565
- Eastern Municipal Water District (California)J1639
- Easterseals Southern CaliforniaESSCA
- Eastland Medical Group66122
- Eastman Kodak CompanyJ1903
- EBA&M22262
- Eberle VivianEV001
- Ebix Health Administration Exchange (EHAE)IAC01
- EBMS20018
- EBS42149
- EDDY SeniorcareR3500
- Edenbridge HealthR3491
- Edenbridge of DCR3490
- Edinger Medical GroupGNPMG
- Edison Health Solutions66456
- Edison Revolution89425
- El Camino Health AllianceECL01
- El Camino Health Medical NetworkS9637
- El Paso Community College (Texas Jurisdiction)A0106
- El Paso First Health Plan HCO Healthcare OptionsEPF37
- El Paso First Health Plans CHIPEPF03
- El Paso First Health Plans Premier Plan STAR Medicaid HMO EPF02
- El Paso Health Advantage Dual SNPEPF07
- El Paso Water Utility Texas JurisdictionJ1017
- El Pollo LocoJ1737
- El Proyecto del BarrioMPM04
- Elderhaus64192
- Elderplan31625
- ElderServe Health05178
- Elderwood Health03964
- Electric Welfare Trust Fund30506
- Electrical Welfare Trust52611
- Electrical Workers Insurance Fund Local 580093235
- Element Care Incorporated04326
- ElevatePFSRVC01
- Elips Life Insurance CompanyZ96801
- Elite Health Plan63681
- ELMCO LLC60509
- Elmira Savings Bank (UCS)22120
- Emanate Health Independent Practice AssociationMPM62
- Emanate Health Med Center AltaMedMPM45
- Emanate Health Med Center NMMMPM46
- Emanate Health Med Center PDT MSOMPM47
- EmblemHealth Plan13551
- EMC Insurance21415
- EMC InsuranceC1029
- EMC Risk ServicesJ1118
- EMCASCO Insurance Company Workers' Compensation Only21407
- Emergency Medical Services Fund (EMSF)AMM03
- Emergency Room Management CorporationJ1022
- Emerging Therapy Solutions41136
- Emeritus CorporationJ1679
- EMI - KP Ambulance Claims59299
- EMI HealthSX110
- Empire BCBS (Anthem NY)
- Empire Healthcare Independent Practice AssociationEHI01
- Employee Benefit Logistics92135
- Employee Benefit Management Services81039
- Employee Benefit Services60221
- Employee Benefit Services37216
- Employee Plans LLC35112
- Employer Coalition on Health - ECOH27008
- Employer Driven Insurance ServicesEDHP1
- Employer Insurance Group (EIG)J1232
- Employer Plan Services Incorporated (EPSI)74212
- Employers Claim Services Incorporated City of NapervilleJ1559
- Employers Coalition on Health (ECOH)36335
- Employers Direct Health75232
- Employers Direct Health - Florida75235
- Employers Direct Health Employee Plan75236
- Employers Direct Health SF75233
- Employers General Insurance GroupJ1696
- Employers Health NetworkIHS07
- Employers Insurance (Bunch)J1912
- Empower Healthcare Solutions12956
- EnableComp CommercialA3224
- EnableComp Motor Vehicle AccidentA3220
- EnableComp OOS MedicaidA3223
- EnableComp Veterans AdministrationA3222
- EnableComp Workers CompensationA3221
- EnableCompMVAL0241
- EnableCompVETL0242
- EncaraWT016
- Encompass InsuranceJ2369
- Encore Health Network - The Healthcare Group35206
- Endeavor Health36364
- Enterprise Group PlanningEGPIN
- EnviroSourceJ1063
- Envolve Vision of Puerto Rico204861241
- EOB TPA TBL38
- Epic Assistance49578
- Equitable78077
- Ergon IncorporatedJ1952
- Erie Family Life Insurance Company13284
- Erisa Administrative Services74234
- ES Beveridge and Associates34108
- ESISTP043
- ESIS (First American Insurance Company)J1064
- ESIS Kelly ServicesJ1451
- ESIS Lockheed Martin CorporationJ1454
- Esperanza IPAEIPA8
- Essence Healthcare20818
- Essential Health PartnersEHPSC
- Essential Health Partners Independent Practice Association (IPA)EIPA9
- Esurance Insurance Company25712
- Eternal HealthRP037
- Evercare10807
- Everence Financial35605
- Everest Reinsurance Company11164
- Everest Supplemental Medical Expense Policy72063
- Evergreen Health Co-Op10860
- Evernorth62350
- EverPointe32052
- Eversana Life Sciences Services64300
- EviCore14182
- EviCore37268
- EviCore62160
- Evolent Specialty - CardiologyNCHCA
- Evolent Specialty - OncologyNCHON
- Evolent Specialty - Radiation OncologyNCHOR
- Evolent Specialty - UrologyNCHUR
- Evolent Specialty InstitutionalNCHINS
- Evolution Insurance CompanyJ1065
- Evolutions Healthcare Systems59313
- Evry HealthEH001
- EVV Health Plan Nevada NVHPN
- Excellus BlueCross BlueShield10323
- Exclusive Care - County of RiversideEC999
- Exemplar83383
- Exemplar Health Insurance Company (Medicare)54096
- ExxonMobil CorporationJ1606
- EyeMed31165
- Eyequest63740
- EYLEA4U Commercial Copay and Card Program61461