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ImpactMD Payor List
Payors Accepting 837 Professional Claims
1199 National Benefit Fund ABC Health Plan of New York ABMA Medical Corp. (Hnet Sr. & Secure Horizons Only)
Abrazo Advantage Health Plan Access Administrators Access Plus/UTMB Healthcare Systems
Acclaim Acclaim Repricing Acordia National
ACS Benefit & Consulting Services, Inc. Adaptis Healthplan Advanced Data Solutions, Inc.
Advanced Medical Management Advantage Health Solution Advantra/Health America, Inc./Health Assurance
Advica - Northeast Georgia Health System AdvoCare Incorporated (Ohio BWC) Advocate Health Centers
Advocate Health Partners (PHO's) Advocate Health Plans Aetna - Encounters
Aetna / US Healthcare (All Plans) Aetna Affordable Health Choices Aetna Insurance Company
Affiliated Doctors of Orange County Affinity Health Plan AFL- CIO Food & Beverage Dealer's Trust Fund (Toledo, OH)
AFTRA Health Fund Agency Services, Inc. AGIA, Inc.
AH & L Alabama Medical Surgical, LLC Alaska Children's Services, Inc.
Alaska Laborer’s Construction Industry Trust Alaska Pipe Trades Local 375 Alaska United Food & Commercial Workers Health & Welfare Trust
AliCare Alignis All Saints/Covenant-Milwaukee, Wisconsin
Alliance - Alpha Care Gold Alliance PPO, Inc. (Maryland) Alliant Health Plans of Georgia
Allied Administrators (San Francisco, CA) Allied Benefit Systems Allied Health - Podiatry (UHIN)
ALPS CompCare (Ohio BWC) Alta Bates Medical Group Alta Health & Life Insurance
Alta Senior Care (Hnet Sr. & Secure Horizons Only) Alternative Technology Resource (ATR) Altius Health Plans (Coventry)
AMA Insurance Agency Amalgamated Life Insurance Company (ALICARE) AmeriBen Solutions, Inc.
Americaid Community Care (Maryland) Americaid Community Care (New Jersey) American Administrative Group
American Benefit Administrative Services, Inc. (ABAS) American Benefits Management (North Canton, OH) American Chiropractic Network (ACN)
American Chiropractic Network (ACN) American Chiropractic Network IPA of New York (ACNIPA) American Commercial Barge Lines
American Community Mutual Insurance American Family Insurance Company American Founders Life Insurance Company
American General American Healthcare Alliance American Imaging Management, Inc.
American Insurance Company of Texas American International Group, Inc. (AIG) American Lifecare
American Medical Security (AMS) American National Insurance Co American Postal Workers Union (APWU)
American Republic Insurance Co. American Worker Health Plan AmeriChoice
AmeriChoice for Nebraska AmeriChoice of New Jersey Personal Care Plus (Medicare) AmeriChoice of New Jersey, Inc. (Medicaid New Jersey)
AmeriChoice of New York (Medicaid  New York) AmeriChoice of New York Personal Care Plus (Medicare) AmeriChoice of Pennsylvania Medicaid/CHIP
AmeriChoice of Pennsylvania Personal Care Plus (Medicare) Amerigroup Corporation (Ft. Worth) Amerigroup Corporation (Houston)
Amerigroup Florida Amerigroup Illinois AmeriHealth Administrators
AmeriHealth HMO NJ and DE AmeriHealth Mercy Health Plan AMS - American Medical Security
AMVI/Prospect Health Network (Prospect Medical Group) Anchor Benefit Consulting, Inc. Ancillary Benefit Systems / Arizona Foundation for Medical Care
Angeles IPA (SynerMed) Antares Management Solutions Anthem Health & Life Ins. Co. (Great-West Healthcare)
APA Partners, Inc. APAC (Pinnacle Health Resources) (Prospect Medical Group) Apex Benefit Services
APIPA AppleCare Medical Management APS Healthcare, Inc.
ARAZ Arkansas Best Corporation Arnett Health Plans
Associated Third Party Administration (ATPA) Associates for Health Care, Inc (AHC) Assurant Health
Assurant Mini-Med Assurant Self-Funded (Ft. Mill, SC) Asusrsis Northwest Health
Athens Area Health Plan Select Atlanticare Administrators, Inc. Atlantis Health Plan
Atlas Administrators Atlas Life Insurance Company AultComp Managed Care Organization (OH BWC)
Austin Regional Clinic Employee Benefit Plan Automated Benefit Service (ABS) Automated Group Administration, Inc. (AGA)
Avatar Comp (Ohio BWC) Avera Health Plans Avesis Third Party Administrators (Phoenix AZ)
AvMed, Inc. Bakersfield Family Medical Center (CA) Bankers United Life (Student Div)
Banner Health AZ Bass Administrators, Inc. BCBS - Alabama
BCBS - Arizona

BCBS - Arkansas BCBS - Colorado
BCBS - District of Columbia, CareFirst BCBS - District of Columbia, CareFirst, BlueChoice BCBS - District of Columbia, CareFirst, BlueChoice Opt-Out, Open Access
BCBS - District of Columbia, CareFirst, BluePreferred (XIP) BCBS - District of Columbia, CareFirst, Federal Memberships BCBS - District of Columbia, CareFirst, NCA Indemnity product
BCBS - Florida

BCBS - Georgia BCBS - Illinois

BCBS - Indiana, Anthem/AdminaStar BCBS - Iowa BCBS - Kentucky, Anthem/AdminaStar
BCBS - Louisiana

BCBS - Maryland, Carefirst BCBS - Maryland, Carefirst, Indemnity products
BCBS - Maryland, Carefirst, Point of Service BCBS - Maryland, Carefirst, PPN BCBS - Maryland, Carefirst, PPO
BCBS - Massachusetts BCBS - Michigan BCBS - Minnesota
BCBS - Mississippi BCBS - Mississippi Children's Health Ins Plan (CHIP) BCBS - Missouri
BCBS - Montana BCBS - Nebraska BCBS - Nebraska
BCBS - Nevada BCBS - New Jersey BCBS - New Mexico (HCSC)
BCBS - New York Northeastern, ASK BCBS - New York, Empire BCBS - North Carolina
BCBS - Ohio, Anthem/AdminaStar BCBS - Oklahoma BCBS - Oregon, Regence
BCBS - Pennsylvania, Highmark BCBS - South Carolina BCBS - South Carolina Federal
BCBS - South Carolina, Carolina Benefit Administrators BCBS - South Carolina, Companion Health Care BCBS - South Carolina, Consolidated Benefits Inc.
BCBS - South Carolina, Employee Benefit Services, Inc. BCBS - South Carolina, Employer's Life Insurance Co BCBS - South Carolina, Medical Claims Management Corp.
BCBS - South Carolina, Planned Administrators BCBS - South Carolina, Preferred Blue BCBS - South Carolina, Preferred Health System - HMO Blue
BCBS - South Carolina, State Employees Health Plan BCBS - South Carolina, State Teachers BCBS - South Carolina, Thomas Cooper Agency
BCBS - State of Mississippi Employees and Teachers Plan BCBS - Tennessee TennCare, TennCare Select & BlueCare BCBS - Texas
BCBS - Virginia, Anthem BCBS - West Virginia, Mountain State BCI Administrators
Beech Street Corporation Bellflower Hospital (SynerMed) Benecorp National Corporation
Benefit Coodinators Corporation (Pittsburgh, PA) Benefit Management Admin (San Antonio) Benefit Management Systems, Inc.
Benefit Plan (CNA) Benefit Plan Administrators (BPA) Benefit Plan Administrators Co. (Eau Claire, WI)
Benefit Plan Administrators of St. Louis (BPS) Benefit Plan Administrators, Inc. (Fargo, ND) Benefit Plan Administrators, Inc. (Roanoke, VA)
Benefit Plan Management, Inc. Benefit Planners, Inc Benefit Source, Inc.
Benefit Systems & Services, Inc (BSSI) Benefit Trust Life Benefits Management Group, Inc
Benesight Benesys, Inc. Benesys-LHP Claims Unit
Best Life & Health Insurance Company Better Health Plans of South Carolina Big Lots Associates Benefits Plan
Blue Bell Benefits Trust Blue Cross - Alaska, Premera Blue Cross - California
Blue Cross - Idaho

Blue Cross - New Mexico Blue Cross - Washington, Premera
Blue Shield - Alabama Blue Shield - California Blue Shield - California FEP
Blue Shield - Idaho, Regence Blue Shield - Kansas, ASK Blue Shield - Washington, Regence
Blue Shield - Wyoming, Noridian Blue Shield Kansas City - Kansas, ASK Bluegrass Family Health
Boilermaker's National Health & Welfare Boon-Chapman Benefit Administrators Boston Medical Center Health Plan, Inc.(BMC HealthNet Plan)
Breathco/CSL Pulmonary Bridge Benefits Bridgestone Claims Services
Brockerage Concepts, Inc. Brodart Brown & Toland Medical Group
Bryan Independent School District Buckeye Community Health Buenaventura Medical Group Inc.
Butler Benefits C&O Employees Hospital Association CAC (Claims Administration Corp)
California Alcohol & Drug Program California Alcohol & Drug Program California Department of Mental Health
Cannon Cochran Management Services, Inc. Cape Health Plan Capital Advantage Insurance Company (CAIC)
Capital Blue Cross/CAIC Capital Community Health Plan Capital District Physicians Health Plan (CDPHP)-Professional Claims
Capital International Management Services Capitol Administrators Carechoices Michigan - Mercy Healthplans
CareCore National - Healthnet CareCore National, LLC - Health Net New Jersey CareCore National, LLC (Aetna Radiology Claims)
CareCore National, LLC (Oxford Radiology Claims) CareCore National, LLC (Oxford Radiology Claims) Carelink Advantra

Carelink Health Plan Carelink Medicaid Carenet
CareOregon CareOregon CarePlus Health Plans, Inc.
CareSource of IN CareSource OH Careworks
CareWorks (Ohio BWC) Cariten Healthcare Cariten Senior Health
Carolina Care Plan Carolina Summit Healthcare, Inc. Carpenter's Health & Welfare Trust Fund of St. Louis
Cascade East Health Plans Caterpillar Inc. CBCA Administrators
CBSA CCN Managed Care, Inc. Cedars-Sinai Medical Network Services
Cedars-Sinai Medical Network Services Cemara Administrators, Inc. Cement Masons & Plasterers Health & Welfare Trust
Cenpatico Behavioral Health - Kansas Cenpatico Behavioral Health of Arizona Cenpatico Georgia
Centene Corporation CenterCare Centra Benefits (Dallas)
Centra Benefits (Houston) Central Benefits Life Central Benefits Mutual
Central Benefits National Central Coast Alliance Central Mass Health Care (CMHC)
Central Reserve Life Central States Health & Welfare Funds Central States Joint Board and Welfare Fund
Central Valley Medical Group Century Health Solutions CHA - Commonwealth Health Alliance
ChampVA - HAC Chautauqua County Healthcare Plan - Mayville, NY CHEC - A Subsidiary of Sprint
Chesapeake Life Insurance Company Chicago Health Systems Childhealth Plus by Healthfirst (CHP)
CHIP - ChoiceOne (UTMB) CHIP - Community First CHIP - Teens to Tots/ Texas University Health
Chiropractic Care of Minnesota, Inc. CHOC Health Alliance Christian Brothers Services
Christus Spohn Health Network Cigna Cigna - Behavioral Health
Cigna - Behavioral Health Cigna Flex Care (New Mexico only) Cigna HealthCare for Seniors (AZ Medicare)
City of Amarillo City of San Antonio Claim Management Services
ClaimsWare, Inc. DBA ManageMed Clarendon Kids CHIP Program CNA
CNA Health Partners (PCP Only) Coast Hotels & Casino, Inc / DBA Coast Benefits Colonial Healthcare
Colorado Access HMO Columbia Cornell Care Columbia United Providers
Commerce Benefits Group CommonWealth Administrative Group CommonWealth Administrators
Community Care Behavioral Health Org. Community Care Managed Health Care Plans of OK Community Care Network (CCN) Managed Care, Inc.
Community Care Organization Community Care Plus Community Choice of Michigan
Community Family Care (SynerMed) Community First - Star Health Plan Community Health Alliance
Community Health Choice Community Health Electronic Claims - CHEC - webTPA Community Health Network of Connecticut
Community Health Plan Community Health Plan - St. Joseph, MO Community Health Plan of Washington
Community Premier Plus for Neighborhood Health Providers Comp - Ohio (Austintown, OH) Comp One (Ohio BWC)
CompManagement Health Systems, Inc (Ohio BWC) CompMed Comprehensive Benefits Administrator, Inc.
Comprehensive Medical Care (Ohio BWC) Compusys of Colorado Concert Health Plan
Confed Admin Services, Inc. ConnectiCare, Inc. Connecticut Carpenters Health Fund
Connecticut General - Medical Claims Connecticut General - Mental Health Claims Connecticut General - Mental Health Claims
Consociate Group (Decatur, IL) Consolidated Associates Railroad Consolidated Group/HPS
Continental General Insurance Company Continuum ABC MSO Contra Costa Health Plan
Cook Children's Health Plan Cooperative Benefit Administrators (CBA) Coordinated Medical Specialists
Core Management Resources Group CoreSource of AZ, MN CoreSource of Little Rock
CoreSource of MD, PA, IL CoreSource of NC, IN CoreSource of Ohio
CoreStar Cornerstone Benefit Administrators Corporate Benefit Services of America (CBSA)
Corporate Benefits Service, Inc. (NC) Corporate Systems Administration Correctional Medical Services
CorSolutions Corvel Corporation (Ohio BWC) Country Life Insurance Company
Covenant Administrators, Inc. (Atlanta, GA) Covenant Management Systems Employee Benefit Plan Coventry Health Care National Network
Coventry Health Care of Delaware, Inc. Coventry Health Care of Georgia Coventry Health Care of Iowa, Inc.
Coventry Health Care of Kansas, Inc. - Kansas City Coventry Health Care of Louisiana, Inc. Coventry Health Care of Nebraska, Inc.
Coventry Health Care of the Carolinas, Inc./ Wellpath CRA Managed Care (Ohio BWC) Crawford & Company (Ohio BWC)
Creative Medical Systems Creative Plan Administrators (East Hartford, CT) Croy-Hall Management, Inc.
Custom Benefit Administrators (Lacrosse, WI) CWIBENEFITS Definity Services
Delaware Health Plan Consortium Delaware Physicians Care, Inc. DelawareCare
Delta Health Systems Denver Health - Indigent Denver Health and Hospital Authority
Denver Health Medical Plan Denver Health Medical Plan, Inc. - Medicare Choice Deseret Mutual
Desert Family Practice Desert Family Practice Association Desert Hospital
Desert Medical Group (CA) Destiny Health Detroit Medical Center
Diamond Plan (Coventry) Directors Guild of America - Producer Health Plan Diversified Administration
Diversified Group Administration DME Region B, AdminaStar DME Region C, Palmetto
DME Region D, CIGNA DME Region D, Noridian Doctors Hospital of Montclair- San Bernadino (SynerMed)
Driscoll Children's Health Plan (CHIP) (Texas) DSCC - Division of Specialized Care for Children Dunn and Associates Benefits Administrators, Inc.
Eagle Creek Medical Plaza Eaton Benefits, OH EBA - City of San Antonio
EBMC EBMS (Employee Benefit Management Services, Inc.) EBS of Louisiana
El Paso First - CHIP El Paso First Group Health Elder Health HMO of Maryland/Pennsylvania.
ElderPlan, Inc Ellis Consultants Inc. Elmco
Emerald Health Network Inc (all PPO) EMI-KP Ambulance Claims Empire Physicians Medical Group
Empire Physicians MG Employee Benefit Concepts, Inc. (Farmington Hills, MI) Employee Benefit Corporation
Employee Benefit Management Corporation Employee Benefit Services (Ft. Mill, SC) Employee Benefit Services of Louisiana, Inc. EBS)
Employee Benefits Plan Administration, Inc (EBPA) Employee Plans, LLC Employee Security, Inc
Employer Plan Services Employers Coalition on Health (ECOH) Employer's Direct Health
Employer's Direct Health (Employee Plan) Employer's Direct Health (Fully Insured) Employer's Direct Health (Self-Funded Plan)
Employers Health Cooperative (EHC) Employers Health Insurance (EHI) Employers Ins. of Wausau
Employers Mutual, Inc (Jacksonville, FL) Employers Mutual, Inc (Stuart, FL) Encircle PPO
Encompass Encore Encore Encore Health Networks
ENH Medical Group IPA Enstar Natural Gas

Equicor
Equicor PPO Equifax/Healthcare Aministration (EHAS) Equitable (CIGNA)
Equitable Plan Services (Oklahoma City, OK) Erin Group Administrators E-V Benefits Management, Inc.
EverCare (all states) Evergreen Health Plan Excel MSO
ExclusiCare FABOH (CHP/RPU) Facey Medical Foundation
FACS Group Fallon Community Health Family Health Partners/MC+ Missouri
Family Health Partners--Health Wave of Kansas Family Health Plan Family Health Plan (Ohio BWC)
Family Practice Associates FARA Benefit Services Farm Family
FCE Benefit Administrators, Inc. Federal Employee Program (TX FEP) Federated Benefits
Federated HR Services Federated Mutual Insurance Fidelis Care New York
First Carolina Care First Choice (Connecticut) First Choice Health Network
First Choice of Midwest (PPO) First Great West Life & Annuity Insurance Company First Health Network
First Priority Health First Service Administrators, Inc First Service Administrators, Inc
Firstcare Firstcare - Star Medicaid FirstGuard Health Plan - Kansas
FirstGuard Health Plan - Missouri Fiserv Health - Kansas & Tennessee Fitzharris & Company, Inc. (Farmingdale, NY)
Florida Health Choice - (Wisconsin) Florida Hospital Healthcare Systems Florida Hospital Waterman
FMH Benefit Services, Inc Ford Meter Box Company Inc. Formax, Inc.
Fortis Benefits Insurance Company Fortis Insurance Company Foundation for Medical Care of Tulare & Kings County
Fox Valley Medicine Site 199 Fox Valley Medicine Site 451 Fox-Everett – Ingalls Ship Building
Fox-Everett, Inc Freedom Life Insurance Company of America Fringe Benefit Management
Fringe Benefits Coordinators FrontPath Health Coalition Gallagher Benefit Administrators, Inc. (GBA)
Galveston County Indigent Health Care Garfield Medical Center (SynerMed) Gates McDonald Health Plus, Inc. (Ohio BWC)
Gateway Health Plan - Medicare Assured Gateway Health Plan Medicaid PA Gateway Health Plan of Ohio, Inc.
Gateway IPA (Pinnacle Health Resources) (Prospect Medical Group) GEHA Mental Health Claims Geisinger Health Plan
GENEX Care of Ohio (Ohio BWC) Genworth Administrators, Inc., South Carolina Genworth Administrators, Inc., Texas
Genworth Life and Health Insurance Company (GLHIC) GHC - Eastern Washington State GHI - New York (Group Health Inc.)
GHI HMO GHI HMO Select GHP (Group Health Plan)
GI Innovative Management GIC Indemnity Plan Gilsbar, Inc.
Golden Rule Insurance Company Golden Triangle Physicians Alliance Government Employees Hospital Association (GEHA)
Grant Physicians Practice Association Great Lakes Health Plan Great West Healthcare - formerly American General
Great West Life & Annuity Insurance Co Group Administrators Group and Pension Administrators
Group Benefit Administrators Group Health Coop South Central WI-Claims Group Health Coop South Central WI-Encounters
Group Health Cooperative - East Group Health Cooperative - West Group Health Managers
Group Insurance Service Center, Inc. Group Practice Affiliates Guardian Life Insurance Co of America
Gundersen Lutheran Health Plan, Inc. H.E.R.E.I.U Welfare Pension Funds HAP/AHL/Curanet
Harmony Health Plan of Illinois Harmony Health Plan of Indiana Harmony Health Plan of Missouri
Harrington Benefit Services Harrington Benefit Services, Inc. Harrington Benefit Services, Inc. - Oklahoma
Harvard Pilgrim Health Care HCH Administration (Illinois) HCH Administrators, Inc
HCHA Albq - Self Funded HCS - Health Claims Service HDM Benefit Solutions
HDPC-Premier Healthcare Health 1, 2, 3, Inc. Health Administration Service, Inc.
Health Alliance Exclusive & Plus Health Alliance Medical Plans, Inc. Health Care Network of Wisconsin (HCN)
Health Care Payer's Coalition (Toledo, OH) Health Care Savings Health Cost Solutions
Health Designs Plus (Hudson, OH) Health Economics - Mics Corp Health EZ
Health Future, LLC. Health Insurance Plan of New York Health Management Solutions (Ohio BWC)
Health Net - California & Oregon Health Net - California (Encounters) Health Net Federal Services
Health Network America Health New England Health Partners - Jackson, TN
Health Partners – Pennsylvania Health Partners MN Health Plan Management
Health Plan of Michigan Health Plan of Nevada (claims) Health Plan of Nevada (encounters)
Health Plan of San Joaquin/San Joaquin Health Administrators Health Plans Inc. Health Plus PHSP (Brooklyn, NY)
Health Risk Management (HRM) Health Services for Children with Special Needs Health Services Preferred (HSP) –Emerald Health
Health Value Management Healthcare Benefits Healthcare Mangement Administration (HMA)
Healthcare Partners HealthCare Partners, IPA Healthcare Solutions Group
Healthcare USA Healthcare's Finest Network (HFN) HealthChoice of Connecticut/Yale Preferred Health
Healthcomp, Inc. Healthfirst  TPA (Tyler, TX) Healthfirst 65 Plus
Healthfirst Family Health Plus (FHP) Healthfirst New York (Commercial) Healthfirst, Inc. (NY)
HealthHelp Network, Inc (HHNI) Healthlink HMO Healthlink PPO
HealthNet - Arizona HealthNet of the Northeast, Inc. HealthPlan Services - Harrington
HealthPlan Services (Tampa Only) HealthSCOPE Benefits, Inc. HealthSCOPE Benefits, Inc. (Repricing AR)
HealthSmart Preferred Care (HSPC) Healthsource - Arkansas Healthsource - Arkansas (Medicare HMO)(Cigna)
Healthsource - Georgia (Cigna) Healthsource - Kentucky Healthsource - Maine
Healthsource - Massachusetts Healthsource - New Hampshire Healthsource - North Carolina (Cigna)
Healthsource - Ohio Healthsource - South Carolina Healthsource - Tennessee (Cigna)
Healthsource CMHC Healthsource of North Texas (Cigna) Healthsource Provident (Cigna)
HealthSpring HMO HealthStar, Inc Heavy & General Laborers Fund of New Jersey
Heritage Consultants Heritage National Health Plans Heritage Physician Network (Houston) Also see: Family Practice
High Desert Primary Care Highmark-Key Family Hillcrest Benefit Administrators
HIP-Health Insurance Plan of Greater New York HMA - Healthcare Management Administration HMA Hawaii
HMO Blue (HMO Blue Texas) HMO of Colorado Hollywood Presbyterian (SynerMed)
Hoosier Alliance Health Plan Horizon HealthCare Admin (HHA) Horizon NJ Health
Hospital Benefits, Inc. Hotel Employees & Restaurant Employees Health & Trust HPN
HPS Paradigm, Inc. HRM Claim Management/HRM Hudson Health Plan
Humana Humana (Encounters) Humana Emphesys
Humana Employers Health Insurance Humana Health Plans of Ohio Humana Insurance Company Choice Care Network
Humana Military, Palmetto Humana, Inc. (Claims) Humboldt-Del Norte Foundation for Medical Care
Hunt Insurance Group IBA Self Funded Group ICM
ICON Benefit Administrators IE Shaffer (West Trenton, NJ) IMcare
IMSCO Health Systems INDECS Corporation Independence Medical Group (CA)
Indiana Health Network Indiana ProHealth Network Indiana Teamsters Health Benefits Fund
Individual Health Insurance Companies Informed, LLC Inland Empire Health Plan
Innovative Healthware Solutions Instil Health PFFS Insurance Administrators of America, Inc. (IAA)
Insurance Design Administrators Insurance Management Services of Texas (IMS) Insurance Services of Lubbock
Insurers Administrative Corporation (Phoenix, AZ) Integra Administrative Group (Seaford, DE) Integra Group
Integra Group-CHA Integrated Care Network by Emerald Integrity Benefits Network
InterCare Health Plans, Inc. Interface EAP Intergroup Service Corporation
International Brotherhood of Boilermakers International Medical Group International Union of Operating Engineers:  Local 15, 15A, 15C, and 15D
International Union of Operating Engineers:  Local 4 Health & Welfare Iowa Benefits, Inc (IBI) ISOL
IU Medical Group J. F. Molloy and Associates, Inc Jackson Memorial Health Plan (FL)
JFK Hospital JI Specialty Services, Inc. John Alden Life Insurance Company
John Hancock Johns Hopkins Healthcare - Priority Partners Joplin Claims
JP Farley Corporation JSL Administrators Kaiser Foundation Health Plan of Colorado
Kaiser Foundation Health Plan of Georgia Kaiser Foundation Health Plan of Northern California Kaiser Foundation Health Plan of Southern California
Kaiser Foundation Health Plan of the Mid-Atlantic States Kaiser Foundation of the Northwest Kaiser Health Plan of Ohio
Kaiser Permanente (Colorado Plans Only Except Colorado Springs) Kaiser Permanente (Colorado Springs Only) Kaiser Permanente (Southern California Only)
Kanawha HealthCare Solutions, Inc. Kanawha Insurance Company Kaweah Delta
Kelsey-Sebold Kempton Company Kentucky Health Select
Kentucky Kare (Humana) Key Benefit Administrators Key Select
Keystone Health Plan Central Keystone Mercy Health Plan Kindred Health Care
Klais & Company Klias & Company (Ohio BWC) KPS Health Plans
Lake Forest Mangaed Care Associates Lakeside Health Services Lakeside IPA
Landmark Healthcare Leggett and Platt Leon Medical Center Plan, Miami, FL
Liberty Mutual Group Liberty Mutual Insurance Company Liberty Mutual Northwest
Liberty Union Life and Health Insurance Co of America Life Assurance Company
Life Investors Insurance Co of America Life Investors Insurance Co. of America Life Investors Insurance Co. of America
Life Trac Lifewise Health Plan of Arizona Lifewise of Oregon, A Premera Health Plan
Lifewise of WA Lincoln National

Linn County
LIPA/Agate Resources Local 135 Health Benefits Fund (Indianapolis, IN) Loma Linda University Adventist Employee, Resident & Student Health
Loma Linda University Healthcare - Managed Care Claims London Health Administrators Lovelace Sandia Health Plan
Lumenos M.D. – Individual Practice Association Machinist District 9 Welfare
Magellan Behavioral Health MagnaCare Mail Handlers
Mailhandlers Mental Health Claims Maksin Management Corporation MAMSI Life and Health Insurance Co. (MLH)
Managed Care Indemnity Managed Care Services, LLC Managed Care Systems (Delano Regional Medical Grp)
Managed Care Systems (Gemcare) Managed Health Networks (MHN) Managed Health Services Indiana (Medicaid HMO)
Managed Health Services Wisconsin Managed Physical Network Managed Physician Network
Managed Prescription Services Manatee Service Center (Bradenton, FL) MAPCO, Inc.
Marin IPA Marsh Advantage Maryland Individual Practice Association, Inc. (M.D. IPA) - MD
Maryland Physician Care Mashantucket Pequot Tribal Nation Massachusetts Mutual
Masters, Mates and Pilots Plan Matthew Thornton Health Plan Mayo Management Services, Inc. (MMSI)
MBS (MedCost Benefit Services) Mcare MCC Behavioral Care
MCC Behavioral Care McKinley Medical Group (CA) McLaren Health Plan
MDNY Healthcare MedAdmin Solutions MedBen (Newark, OH)
MedBenefixx Inc. MedCom MedCost, Inc.
Medfocus Medica Medica Choice (ALLINA)
Medicaid - Alabama Medicaid - Arizona Medicaid - Arkansas
Medicaid - California MediCal Medicaid - Colorado Medicaid - Florida

Medicaid - Georgia Medicaid - Idaho

Medicaid - Illinois, IDPA
Medicaid - Indiana Medicaid - Kansas

Medicaid - Louisiana (Unisys)
Medicaid - Maryland, DHMH Medicaid - Maryland, PMHS Medicaid - Massachusetts, MassHealth
Medicaid - Michigan Medicaid - Minnesota Medicaid - Missouri
Medicaid - Montana Medicaid - Nebraska Medicaid - Nevada, First Health
Medicaid - New Mexico Medicaid - New York Medicaid - North Carolina
Medicaid - Ohio Medicaid - Oklahoma Medicaid - South Carolina 
Medicaid - Texas, TMHP Medicaid - Washington Medicaid - West Virginia (Unisys)
Medicaid Kentucky Medicaid Louisiana KidMed Medical Administrators, Inc. (Ohio BWC)
Medical Benefits Administration Medical Benefits Administrators, Inc. (Newark, OH) Medical Benefits Companies (Newark, OH)
Medical Benefits Mutual (Newark, OH) Medical Claims Service, Inc. Medical Development International
Medical Mutual of Ohio Medical Network of Colorado Springs Medical Pathways
Medical Plan of Kansas City Medical Resource Management Medical Value Plan (MVP) Health Plan of Ohio
Medicare - Alabama, Cahaba Medicare - Alaska, Noridian Medicare - Alaska, Noridian
Medicare - Arizona,  Noridian Medicare - Arizona,  Noridian Medicare - Arkansas
Medicare - California, NHIC Northern Medicare - California, NHIC Southern Medicare - Colorado
Medicare - Delaware, TrailBlazer Medicare - District of Columbia, TrailBlazer Metro Medicare - DMERC Region B , AdminaStar
Medicare - DMERC Region C , Palmetto Medicare - DMERC Region D, Cigna Medicare - DMERC Region D, Noridian
Medicare - Florida, First Coast Medicare - Georgia, Cahaba Medicare - Hawaii
Medicare - Idaho, Cigna Medicare - Illinois, WPS Medicare - Indiana, AdminaStar
Medicare - Iowa, Noridian Medicare - Kansas City, ASK Medicare - Kansas, ASK
Medicare - Kentucky, AdminaStar Medicare - Louisiana Medicare - Maryland, TrailBlazer
Medicare - Massachusetts, NHIC Medicare - Michigan , WPS Medicare - Minnesota
Medicare - Missouri

Medicare - Missouri Northwest, ASK Medicare - Montana
Medicare - Montana, Noridian Medicare - Nebraska, ASK Medicare - Nevada
Medicare - New Jersey Medicare - New Mexico Medicare - New York, Empire
Medicare - North Carolina, Cigna Medicare - North Dakota Medicare - North Dakota, Noridian
Medicare - Ohio, Palmetto Medicare - Oklahoma Medicare - Oregon
Medicare - Railroad, Palmetto Medicare - Rhode Island Medicare - South Carolina , Palmetto
Medicare - South Dakota Medicare - Tennessee, Cigna Medicare - Texas, TrailBlazer
Medicare - Utah Medicare - Virginia, TrailBlazer Medicare - Washington, Noridian
Medicare - West Virginia, Palmetto Medicare - Wisconsin, WPS Medicare - Wyoming
Medicare - Wyoming, Noridian Medicare Smart Medigold or Mt. Carmel Health Plan
Mediversal Mediversal Claims Administration (Las Vegas, NV) MedSolutions, Inc.
MedStar Physician Partners MEGA Life & Health Insurance Company - Student Insurance Mega Life OKC
Memorial Clinical Associates Memorial Hermann Health Network Memphis Managed Care
Mercer Administrators Mercy Care - Arizona Mercy Care Plan
Mercy Care Plus Mercy Health Plans Mercy Physicians Medical Group
Meridian Health/Agency Services Mesa Mental Health Met Life
Methodist First Choice MethodistCare Metro Alliance
MetroPlus Health Plan Metropolitan Health Plan Metropolitan Life Insurance Company
Metrowest Health Plan - Preferred Care Metrowest Star Medicaid Michael Reese Physicians Group
Mid America Health (Health Net) Mid Atlantic Psychiatric Services, Inc. (MAPSI) Mid-America Associates, Inc.
Mid-Atlantic Health System Mid-County Physicians Medical Group- San Diego (SynerMed) Midland National Insurance Company
Midlands Choice, Inc. MidSouth Administrative Group Midwest Health Plan
Mid-West National Life Insurance Co. of Tennessee - Insurance Center Midwest Preferred Midwest Securities
Midwest Security Administrators (MSA) Midwest Security Insurance Co. (MSIC)