Corporate Directory

WEDI members: Click here for a more detailed, members-only version of this directory.

4medica, Inc. (Vendor)

Ability (Vendor)

Accident Fund Insurance Company of America (Healthplan)

ACS (Medicaid Organization)

ACS EDI Gateway (Vendor)

ACS Recovery Services (Vendor)

AdminaStar Federal (Healthplan)

Aetna (Healthplan)

Affinity Health Plan (Medicaid Organization)

AHCCCS (Medicaid Organization)

AIM Healthcare Services, Inc. (Vendor)

Alameda Alliance for Health (Healthplan)

Alliance Behavioral Healthcare (Healthplan)

Allina Health (Not-for-Profit)

Allscripts (Vendor)

Alpha II, LLC (Vendor)

America's Health Insurance Plans (Healthplan)

American Dental Association (Provider)

American Hospital Assn./HH&N (Provider)

American Hospital Association (Provider)

American Medical Association (Provider)

AmeriHealth Caritas (Healthplan)

AngMar Medical Holdings (Government)

Anthem BC of California (Healthplan)

Anthem BCBS (Healthplan)

Anthem BCBS of Colorado (Healthplan)

Anthem BCBS of Connecticut (Healthplan)

Anthem BCBS of Indiana (Healthplan)

Anthem BCBS of Kentucky (Healthplan)

Anthem BCBS of Maine (Healthplan)

Anthem BCBS of Missouri (Healthplan)

Anthem BCBS of Nevada (Healthplan)

Anthem BCBS of New Hampshire (Healthplan)

Anthem BCBS of Ohio (Healthplan)

Anthem BCBS of Virginia (Healthplan)

Anthem BCBS of Wisconsin (Healthplan)

Anthem, Inc. (Healthplan)

Apex EDI (Provider)

APWU Health Plan (Healthplan)

AR Department of Health & Human Services (Government)

Argus Health Systems, Inc. (Vendor)

Ark Blue Cross Blue Shield(Medicare) (Company)

Arkansas BCBS (Not-for-Profit)

athenahealth, Inc. (Vendor)

Availity, LLC (Vendor)

AvMed Health Plans (Healthplan)

Axiom Systems Inc. (Vendor)

Axway (Vendor)

BCBS of Kansas (Healthplan)

BCBS of Minnesota (Healthplan)

BCBS of Arizona (Healthplan)

BCBS of Massachusetts (Healthplan)

BCBS of Michigan (Healthplan)

BCBS of North Carolina (Healthplan)

BCBS of North Dakota (Healthplan)

BCBS of South Carolina (Healthplan)

BCBS of Tennessee (Healthplan)

BCBS of Vermont (Healthplan)

Blue Care Network of Michigan (Healthplan)

BCBS of Alabama (Not-for-Profit)

Blue Cross Blue Shield Association (Healthplan)

Florida Blue (Healthplan)

Blue Cross Blue Shield of Louisiana (Healthplan)

Blue Cross of Northeastern PA (Healthplan)

Blue Shield of CA (Healthplan)

Boost Payment Solutions, LLC (Vendor)

Boundary Information Group (Vendor)

California Dept of Health Care Services (Government)

California Health & Human Services (Government)

CalOptima (Medicaid Organization)

Calvet (Government)

Cambia Health Solutions (Healthplan)

Capital Blue Cross (Healthplan)

CAQH (Not-for-Profit)

CareFirst (Healthplan)

CareMedic Systems, Inc. (Vendor)

CareMore Medical Enterprises (Healthplan)

CareOregon (Medicaid Organization)

CareSource (Healthplan)

Cariten Healthcare (Healthplan)

Centene Corporation (Healthplan)

Centers for Disease Control & Prevention (Government)

Cherokee Nation (Company)

Chief Business Office Veterans Health Administration HIPAA Project Management Office (Company)

CHRISTUS Health (Healthplan)

CIGNA Government Services (Company)

CIGNA Health Care (Healthplan)

CIGNA HealthCare of Arizona (Healthplan)

CIGNA Voluntary

Centers for Medicare & Medicaid Services (CMS) (Government)

CMS-Office of Enterprise Management (Government)

Cognizant (Vendor)

Cognosante, LLC (Vendor)

Colorado Department of Health Care Policy and Financing (Medicaid Organization)

Community Health Choice (Healthplan)

Community Health Network of Connecticut (Not-for-Profit)

Community Health Systems (Provider)

Comonwealth of PA Department of Public Welfare (Medicaid Organization)

Conduent (Vendor)

Connecticut Health Insurance Exchange (Government)

Cornichon Healthcare Select, LLC (Vendor)

Corphealth, Inc (Healthplan)


County of Los Angeles Department of Mental Health (Government)

Coventry Workers’ Comp Services (Healthplan)

CV Global, LLC (Provider)

DataWing Software (Vendor)

DaVita (Provider)

Defense Health Agency

Delta Dental of California (Healthplan)

Delta Dental of Arkansas (Healthplan)

Delta Dental of Idaho (Healthplan)

Delta Dental of Iowa (Not-for-Profit)

Delta Dental of Kentucky (Healthplan)

Delta Dental of Michigan (Healthplan)

Delta Dental of New Jersey (Healthplan)

Delta Dental of New Mexico (Healthplan)

Delta Dental of Oklahoma (Healthplan)

Delta Dental of Rhode Island (Healthplan)

Delta Dental of Virginia (Healthplan)

Delta Dental Plans Association (Healthplan)

Department of Vermont Health Access (Medicaid Organization)

Department of Veterans Affairs (Government)

Dept of Health Care Services - Ofc of HIPAA Compliance (Government)

DHX Group (Not-for-Profit)

District of Columbia Department of Health Care Finance (Medicaid Organization)

Kansas DCHS (Medicaid Organization)

DoD Health Affairs (Government)

DST Health Care (Vendor)

e3 Informatics LLC (Vendor)

eHealth Ohio (Affiliate/Regional Entity)

EHNAC (Not-for-Profit)

Eldorado Computing, Inc (Vendor)

Emdeon Business Services (Vendor)

Change Healthcare (Vendor)

EMEDIX Reimbursement Solutions (Vendor)

Emerging Health Information Technologies

Empire Blue Cross Blue Shield (Healthplan)

Epic (Vendor)

eSolutions (Vendor)

eviCore healthcare (Vendor)

Excellus BCBS (Healthplan)

Experian Health (Vendor)

Federation of American Hospitals (Provider)

First Choice Health (Healthplan)

First Pacific Corporation (Vendor)

Florida Agency for Health Care Administration (Medicaid Organization)

Florida Division of Workers' Compensation (Government)

Florida Medicaid (Government)

Food and Drug Administration (Government)

Fortinet (Vendor)

GE Healthcare Financial Services (Company)

GE Healthcare Integrated IT Solutions (Vendor)

GEHA (Healthplan)

Geisinger Health Plan (Healthplan)

Geisinger Health System (Hybrid)

Great-West Healthcare (Healthplan)

Greater New York Hospital Association (Not-for-Profit)

Greenway Clearinghouse (Vendor)

Greenway Health

Harris Healthcare (Vendor)

Harvard Pilgrim Health Care (Healthplan)

Hawaii Medical Service Assoc. (Healthplan)

Health & Human Services Agency - OHii (Government)

Health Information Exchange Office (Government)

Healthaxis (Vendor)

Healthcare Extranets LLC (Vendor)

HealthCare Information Management, Inc (Vendor)

Healthcare Leadership Council (Not-for-Profit)

Healthcare Management Administrators (Vendor)

HealthPartners (Hybrid)

Healthtrio (Vendor)

Helios Software (Vendor)

HHS Office for Civil Rights (Government)

Highmark Health Services (Healthplan)

Highmark BC/BS (Healthplan)

Highmark Medicare Services (Healthplan)

Hillsborough County (Government)

HIMSS (Not-for-Profit)

HIPAA COW (Not-for-Profit)


Humana, Inc. (Healthplan)

IBM (Vendor)

IBM Global Business Services (Vendor)

IBM Security Services (Vendor)

IBM/Genelco (Vendor)

iHCFA, LLC (Vendor)

IL Dept. of Insurance

Illinois Department of Healthcare and Family Services (Medicaid Organization)

IN Office Medicaid Policy&Planning (Medicaid Organization)

Independent Health (Healthplan)

Indian Health Service (Government)

Indiana State Dept of Health (Government)

Inter Valley Health Plan (Healthplan)

Intermountain Healthcare (Healthplan)

Intracorp (Company)

Iowa Medicaid Enterprise (Medicaid Organization)

Johns Hopkins Health System (Not-for-Profit)

Johns Hopkins Healthcare/EHP (Healthplan)

Johns Hopkins Information Technology (Company)

Johns Hopkins University (Company)

Jopari Solutions (Vendor)

Kaiser Foundation Health Plan (Healthplan)

Kaiser Foundation Health Plan of Ohio (Healthplan)

Kaiser Permanente (Healthplan)

Kentucky Cabinet for Health and Family Services (Government)

Kunz, Leigh & Associates (Vendor)

L.A. Care Health Plan (Medicaid Organization)

LabCorp (Provider)

Los Angeles County, Department of Mental Health (Government)

Louisiana Department of Health & Hospitals (Medicaid Organization)

Louisiana Department of Health & Hospitals/Office of Mental Health (Government)

Madaket (Vendor)

MAHP (Company)

Marshfield Clinic (Provider)

Maryland Health Benefit Exchange (Government)

Maryland Health Care Commission (Government)

Maryland Medical Care Programs (Medicaid Organization)

MassHealth (Government)

Mayo Clinic (Provider)

Med USA (Vendor)

Medical Group Management Association (Provider)

Medical Mutual of Ohio (Healthplan)

Medical Services Administration of Puerto Rico (Government)

Medicity, Inc. (Company)

MedImpact Healthcare Systems (Vendor)

Memorial Sloan-Kettering (Provider)

Mercy Health Plans (Healthplan)

Mercy Health System (Not-for-Profit)

MercyCare (Healthplan)

MGMA Connexion (Press)

Michigan Department of Community Health (Medicaid Organization)

Millennium Respiratory Services (Provider)

Minnesota Department of Health (Government)

Minnesota Department of Human Services (Medicaid Organization)

Minnesota Department of Human Services Legal Management Office (Government)

Minnesota Dept of Labor & Industry (Government)

Missouri Department of Mental Health (Government)

Missouri Office of Administration- ITSD (Government)

Mitchell International, Inc. (Vendor)

MITRE Corp (Not-for-Profit)

MO HealthNet Division (Government)

Montefiore Medical Center (Provider)

NAACOS (Government)

NACHA - The Electronic Payments Association (Not-for-Profit)

NALC Health Benefit Plan (Healthplan)

NAMM California (Affiliate/Regional Entity)

NASCO (Hybrid)

National Council for Prescription Drug Programs (Standards)

National Decision Support Company (Vendor)

National Government Services (Healthplan)

Navicure, Inc (Vendor)

NC DHHS / DIRM (Government)

NC DHHS-OMMISS (Government)

NC Division of Medical Assistance (Government)

NC division of public health (Government)

NCQA (Not-for-Profit)

Nebo Systems, Inc. (Vendor)

Nebraska Health & Human Services System (Medicaid Organization)

Nebraska Medicaid (Government)

Network Health, Inc (Medicaid Organization)

Nevada County Behavioral Health (Government)

Nevada Medicaid (Medicaid Organization)

New Mexico Human Services Department (Medicaid Organization)

New York State Cancer Registry (Government)

New York State Medicaid (Medicaid Organization)

NextGen Healthcare (Vendor)

Noridian Administrative Services, LLC (Healthplan)

Noridian Mutual, Inc. (Healthplan)

North Carolina Dept. of Health & Human Services (Government)

North Dakota Department of Human Services-Information Technology Services, Medicaid Systems Operations" (ND-ITS-MSO) (Medicaid Organization)

Northeast Delta Dental (Healthplan)

Novant Health (Not-for-Profit)

Office of Health Information Integrity (Government)

Ohio Bureau of Workers' Compensation (Government)

Ohio Department of Medicaid (Medicaid Organization)

Ohio Dept of Job & Family Services (Medicaid Organization)

Oklahoma Health Care Authority (Medicaid Organization)

ONC (Government)

Optum (Vendor)

OptumHealth (Healthplan)

OptumHealth Financial Services (Healthplan)

OptumHealth Specialty Benefits (Healthplan)

Oracle (Vendor)

OrboGraph (Provider)

Oregon Health Authority (Medicaid Organization)

OSHPD (Government)

Oxford Health Plans (Healthplan)

PacifiCare (Healthplan)

Passport Health (Company)

Payerpath, Inc. (Vendor)

Peninsula Regional Support Network (Government)

Pennsylvania Department of Public Welfare (Medicaid Organization)

PNC Bank (Vendor)

PNC Expack Network Services (Vendor)

ppoONE (Vendor)

Practice Fusion, Inc. (Vendor)

Practice Insight, LLC (Vendor)

Premera Blue Cross (Healthplan)

Presbyterian Health Services (Not-for-Profit)

PrimeWest Health (Medicaid Organization)

PriorityHealth (Healthplan)

Providence Health and Services (Provider)

Providence Health System (Provider)

QCSI (Company)

Qualis Health (Medicaid Organization)

RealMed, an Availity Company

Regence BCBS of Oregon (Healthplan)

Regence BCBS of Utah (Healthplan)

Regence Blue Shield of Idaho (Healthplan)

Regence Blue Shield of Washington (Healthplan)

Resolution Health, Inc.

Salt Lake County Behavioral Health Services (Government)

San Francisco Health Plan (Healthplan)

South Carolina DHHS (Government)

Schaller Anderson of Arizona (Healthplan)

Secure Exchange Solutions (Vendor)

Select Health (Healthplan)

Sharp Health Plan (Healthplan)

Sharp Healthcare (Provider)

Smart Data Solutions (Vendor)

Social Security Administration (Government)

Society of Professional Benefit Administrators (Not-for-Profit)

Southwest Life and Health (Healthplan)

Spectrum Health (Company)

State Farm Insurance (Healthplan)

State of Alaska (Medicaid Organization)

State of California Department of Health Care Services (Government)

State of California, DHS (Government)

State of Colorado (Medicaid Organization)

State of Idaho Department of Health and Welfare (Government)

State of Michigan (Government)

State of Nevada, Division of Health Care Financing & Policy (Government)

State of Oregon, Workers Compensation Divisin (Government)

State of Washington Department of Social & Health Services (Medicaid Organization)

Substance Abuse & Mental Health Services Administration (Government)

Surescripts (Vendor)

Sutter Physician Services (Not-for-Profit)

Tacoma Fire Department (Government)

Tampa General Hospital (Provider)

Tenet Healthcare Corporation (Provider)

Tesia Clearinghouse (Vendor)

Texas Department of Insurance (Government)

Texas Health and Human Services Commission (Medicaid Organization)

Texas HHSC (Medicaid Organization)

The Federal Employee Program Operations Center (Government)

The SSI Group, Inc. (Vendor)

TIBCO Software, Inc. (Vendor)

TLC Home Care Services of Central FL, Inc. (Provider)

TMG Health Inc (Vendor)

TMHP (Medicaid Organization)

Tompkins County Mental Health Services (Government)

Transunion Healthcare (Vendor)

TRICARE Management Activity (Government)

Tufts Health Plan (Healthplan)

U.S. Department of Health & Human Services (Government)

UniCare (Healthplan)

United Concordia (Healthplan)

United Medical Resources, Inc. a division of UnitedHealth Group (Healthplan)

UnitedHealth Group (Healthplan)

UnitedHealth Technologies (Healthplan)

UnitedHealthcare (Healthplan)

University of Michigan Health System (Provider)

University of Oklahoma (Affiliate/Regional Entity)

Upper Peninsula Health Plan (Medicaid Organization)

US Dept. of HHS, Nat'l Health Info. Infrastructure (Government)

UT MD Anderson Cancer Center (Government)

Utah Health Information Network (Government)

Utah Medicaid (Medicaid Organization)

Utah Retirement Systems (Healthplan)

Utah Retirement Systems/ PEHP (Healthplan)

UW Physicians (Not-for-Profit)

VA Financial Services Center (Government)

VA Health Administration Center (Company)

Vanguard Health Systems (Company)

VHA Chief Business Office (Government)

Virginia Department for Aging and Rehabilitative Services (Government)

Virginia DMAS (Government)

WA Department of Labor and Industries (Government)

Washington Dental Service (Healthplan)

Washington University Medical School (Not-for-Profit)

Washoe Tribal Health Center (Government)

Waukesha County Department of Health and Human Services (Government)

Webify Solutions, Inc. (Vendor)

Comprehensive Health Management, Inc. (Healthplan)

West Virginia Health Care Authority (Government)

Wheatlands Administrative Services (Provider)

Wisconsin Medicaid (Medicaid Organization)

Workgroup for Electronic Data Interchange (WEDI) (Not-for-Profit)

WPS Insurance (Healthplan)

Xerox Business Services (Vendor)

Xerox State Healthcare, LLC (Vendor)

XIFIN (Vendor)

Zelis Payments (formerly Pay Plus Solutions, Inc.) (Vendor)

ZirMed, Inc. (Vendor)