Corporate Directory

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

AAHAM (Not-for-Profit)

AAPC (Vendor)

ACAG Consulting L.L.C. (Vendor)

ACS (Medicaid Organization)

ACS EDI Gateway (Vendor)

ACS Recovery Services (Vendor)

ADP, LLC (Vendor)

AHCCCS (Medicaid Organization)

AIDS Healthcare Foundation (Not-for-Profit)

AIM Healthcare Services, Inc. (Vendor)

APWU Health Plan (Healthplan)

AR Department of Health & Human Services (Government)

Ability (Vendor)

Accident Fund Insurance Company of America (Healthplan)

AdminaStar Federal (Healthplan)

Aetna (Healthplan)

Affinity Health Plan (Medicaid Organization)

Alameda Alliance for Health (Not-for-Profit)

Alignment Healthcare (Healthplan)

Alliance Behavioral Healthcare (Healthplan)

Allina Hospitals and Clinics (Not-for-Profit)

Alpha II, LLC (Vendor)

Altarum (Hybrid)

AmeriHealth Caritas (Healthplan)

America's Health Insurance Plans (Healthplan)

American Dental Association (Provider)

American Hospital Assn./HH&N (Provider)

American Hospital Association (Provider)

American Medical Association (Provider)

American Medical News (Press)

American Society for Automation in Pharmacy (Not-for-Profit)

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)

Apgar and Associates, LLC (Vendor)

Argus Health Systems, Inc. (Vendor)

Ark Blue Cross Blue Shield(Medicare) (Company)

Arkansas BCBS (Not-for-Profit)

Availity, LLC (Vendor)

Axiom Systems Inc. (Vendor)

BCBS of Kansas (Healthplan)

BCBS of Minnesota (Healthplan)

BCBS of Arizona (Healthplan)

BCBS of Illinois (Healthplan)

BCBS of Massachusetts (Healthplan)

BCBS of Michigan (Healthplan)

BCBS of New Mexico (Healthplan)

BCBS of North Carolina (Healthplan)

BCBS of North Dakota (Healthplan)

BCBS of Oklahoma (Healthplan)

BCBS of South Carolina (Healthplan)

BCBS of Tennessee (Healthplan)

BCBS of Texas (Healthplan)

BMC Healthnet Plan (Healthplan)

Blue Care Network of Michigan (Healthplan)

Blue Cross Blue Shield Association (Healthplan)

Florida Blue (Healthplan)

Blue Cross Blue Shield of Louisiana (Healthplan)

BCBS of Alabama (Healthplan)

Bon Secours (Not-for-Profit)

Boost Payment Solutions, LLC (Vendor)

Boundary Information Group (Vendor)

CAQH (Not-for-Profit)

CHCS Services, Inc. (Healthplan)

CHIME (Company)

CIGNA Government Services (Company)

CIGNA HealthCare of Arizona (Healthplan)

CIGNA Health Care (Healthplan)

CIGNA Voluntary

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

CMS-Office of Enterprise Management (Government)

CNO Services LLC (Healthplan)


CalOptima (Medicaid Organization)

California Health & Human Services (Government)

Calvet (Government)

Capital Blue Cross (Healthplan)

CareFirst (Healthplan)

CareMedic Systems, Inc. (Vendor)

CareMore Medical Enterprises (Healthplan)

CareOregon (Medicaid Organization)

Cariten Healthcare (Healthplan)

Catamaran (Hybrid)

Centene Corporation (Healthplan)

Centers for Disease Control & Prevention (Government)

Cherokee Nation (Company)

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

Christiana Care Health System (Not-for-Profit)

Christiana Care (Provider)

Citrix Systems, Inc. (Vendor)

ClaimRemedi (Vendor)

ClearDATA (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)

Conexia (Vendor)

Connecticut Health Insurance Exchange (Government)

Cooperative Exchange (Not-for-Profit)

Cornichon Healthcare Select, LLC (Vendor)

Corphealth, Inc (Healthplan)

County of Los Angeles Department of Mental Health (Government)

Coventry Workers’ Comp Services (Healthplan)

DELL Services

DoD Health Affairs (Government)

DST Health Care (Vendor)

Defense Health Agency

Delta Dental of California (Healthplan)

Delta Dental Plans Association (Healthplan)

Delta Dental of Arkansas (Healthplan)

Delta Dental of Colorado (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 of Wisconsin (Healthplan)

Department of Vermont Health Access (Medicaid Organization)

Department of Veterans Affairs (Government)

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

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

Kansas DCHS (Medicaid Organization)

EHG-DentalXChange (Vendor)

EHNAC (Not-for-Profit)

EMEDIX Reimbursement Solutions (Vendor)

Edifecs (Vendor)

Eldorado Computing, Inc (Vendor)

EmblemHealth (Healthplan)

Emdeon Business Services (Vendor)

Change Healthcare (Vendor)

Emerging Health Information Technologies

Empire Blue Cross Blue Shield (Healthplan)

Epic (Vendor)

Excellus BCBS (Healthplan)

Express Scripts, Inc. (Vendor)

Fallon Community Health Plan (Healthplan)

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 (Not-for-Profit)

Geisinger Health Plan (Healthplan)

Geisinger Health System (Hybrid)

Gillette Childrens Specialty Healthcare (Not-for-Profit)

Great-West Healthcare (Healthplan)

Greater New York Hospital Association (Affiliate/Regional Entity)

Greenway Clearinghouse (Vendor)

Group Health Incorporated (Healthplan)

HHS Office for Civil Rights (Government)

HIMSS (Not-for-Profit)

HIPAA COW (Not-for-Profit)

HP Enterprise Services (Medicaid Organization)


HTP, Inc. (Vendor)

Harvard Pilgrim Health Care (Healthplan)

Hawaii Medical Service Assoc. (Healthplan)

Health & Human Services Agency - OHii (Government)

Health Care Service Corporation (Healthplan)

Health Information Exchange Office (Government)

Health Language (Provider)

Health Net of California (Healthplan)

Health Net, Inc. (Healthplan)

HealthCare Information Management, Inc (Vendor)

HealthPartners (Hybrid)

Healthaxis (Vendor)

Healthcare Billing & Management Association (Vendor)

Healthcare Extranets LLC (Vendor)

Healthtrio (Healthplan)

Hewlett Packard (Vendor)

HighPoint Solutions

Highmark Health Services (Healthplan)

Highmark BC/BS (Healthplan)

Highmark Medicare Services (Healthplan)

Hillsborough County (Government)

Horizon BCBSNJ (Healthplan)

Humana, Inc. (Healthplan)

IBM (Vendor)

IBM Global Business Services (Vendor)

IBM Security Services (Vendor)

IBM/Genelco (Vendor)

IN Office Medicaid Policy&Planning (Medicaid Organization)

Illinois Department of Healthcare and Family Services (Medicaid Organization)

Independent Health (Healthplan)

Indian Health Service (Government)

Indiana State Dept of Health (Government)

InstaMed Communications (Vendor)

Intermountain Healthcare (Not-for-Profit)

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 (Hybrid)

Kentucky Cabinet for Health and Family Services (Government)

Kunz, Leigh & Associates (Vendor)

L.A. Care Health Plan (Medicaid Organization)

LabCorp (Provider)

Lantana Consulting Group

Liberty Medical Supply, Inc. (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)

MAHP (Company)

MGMA Connexion (Press)

MITRE Corp (Not-for-Profit)

MO HealthNet Division (Government)

MVP Health Care (Healthplan)

Mana Health (Vendor)

Marshfield Clinic (Provider)

Maryland Health Benefit Exchange (Government)

Maryland Health Care Commission (Government)

Maryland Medical Care Programs (Medicaid Organization)

MassHealth (Government)

MasterCard (Vendor)

Mayo Clinic (Provider)

McKesson (Vendor)

McKesson Health Solutions (Company)

McKesson Information Solutions (Vendor)

Med USA (Vendor)

MedImpact Healthcare Systems (Vendor)

Medica Health Plan (Healthplan)

Medical Group Management Association (Provider)

Medical Mutual of Ohio (Healthplan)

Medical Services Administration of Puerto Rico (Government)

Medicity, Inc. (Company)

Memorial Sloan-Kettering (Provider)

Mercy Health Plans (Healthplan)

Mercy Health System (Not-for-Profit)

MercyCare (Healthplan)

Michigan Department of Community Health (Medicaid Organization)

Michigan Public Health Institute (Not-for-Profit)

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 & McCormick, Inc. (Vendor)

Mitchell International, Inc. (Vendor)

Moda Health Plan, Inc. (Healthplan)

Montefiore Medical Center (Provider)

Moserhaus Consulting, LLC (Vendor)

Mphasis Ltd (Vendor)

NAACOS (Government)

NACHA - The Electronic Payments Association (Standards)

NALC Health Benefit Plan (Healthplan)

NAMM California (Affiliate/Regional Entity)

NASCO (Hybrid)

NC DHHS / DIRM (Government)

NC DHHS-OMMISS (Government)

NC Division of Medical Assistance (Government)

NC division of public health (Government)

National Council for Prescription Drug Programs (Standards)

National Government Services (Healthplan)

Navicure, Inc (Vendor)

Nebo Systems, Inc. (Vendor)

Nebraska Health & Human Services System (Medicaid Organization)

Nebraska Medicaid (Government)

Neocore Partners, LLC (Vendor)

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)

Noblis (Not-for-Profit)

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)

ONC (Government)

OSHPD (Government)

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)

Optimity Advisors (Vendor)

Optum (Vendor)

OptumHealth (Healthplan)

OptumHealth Financial Services (Healthplan)

OptumHealth Specialty Benefits (Healthplan)

Oracle (Vendor)

Oregon Health Authority (Medicaid Organization)

Orlando Health, Inc. (Provider)

Oxford Health Plans (Healthplan)

PNC Bank (Vendor)

PNC Expack Network Services (Vendor)

PacifiCare (Healthplan)

Passport Health (Company)

Passport Health Communications (Vendor)

Pay-Plus Solutions, Inc. (Vendor)

Peninsula Regional Support Network (Government)

Pennsylvania Department of Public Welfare (Medicaid Organization)

Per-Se Technologies (Vendor)

Phreesia (Vendor)

Physicians Health Plan of Northern Indiana (Healthplan)

Plexis Healthcare Systems, inc. (Vendor)

Post-n-Track Corporation (Vendor)

Practice Insight, LLC (Vendor)

Precyse Solutions (Vendor)

Premera Blue Cross (Healthplan)

Presbyterian Health Services (Not-for-Profit)

PrimeWest Health (Medicaid Organization)

PriorityHealth (Healthplan)

ProQual-I.T., Inc. (Vendor)

Providence Health System (Provider)

Providence Health and Services (Provider)

Pulse Systems Inc (Vendor)

QCSI (Company)

QuadraMed Corporation (Vendor)

Qualis Health (Medicaid Organization)

Radiology Business Management Association (Not-for-Profit)

RealMed, an Availity Company

RemitDATA (Vendor)

Resolution Health, Inc.

Resource Link of Michigan (Hybrid)

South Carolina DHHS (Government)

San Francisco Health Plan (Healthplan)

Schaller Anderson of Arizona (Healthplan)

Secure Exchange Solutions (Vendor)

Select Health (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 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)

Sutter Physician Services (Not-for-Profit)

TM Floyd & Company (Vendor)

TMG Health Inc (Vendor)

TMHP (Medicaid Organization)

TRICARE Management Activity (Government)

Tacoma Fire Department (Government)

Tampa General Hospital (Provider)

TASCET (Vendor)

Tenet Healthcare Corporation (Provider)

Tesia Clearinghouse (Vendor)

Texas Department of Insurance (Government)

Texas HHSC (Medicaid Organization)

Texas Health Resources (Provider)

Texas Health and Human Services Commission (Medicaid Organization)

The Federal Employee Program Operations Center (Government)

The Most Group, Inc. (Vendor)

Tompkins County Mental Health Services (Government)

Transunion Healthcare (Vendor)

TriZetto Corporation (Vendor)

Tufts Health Plan (Healthplan)

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

UT MD Anderson Cancer Center (Government)

UW Medicine (Not-for-Profit)

UW Physicians (Not-for-Profit)

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 Maryland Faculty Physicians Inc. (Not-for-Profit)

University of Oklahoma (Affiliate/Regional Entity)

Upper Peninsula Health Plan (Medicaid Organization)

Utah Health Information Network (Standards)

Utah Medicaid (Medicaid Organization)

Utah Retirement Systems (Healthplan)

Utah Retirement Systems/ PEHP (Healthplan)

VA Financial Services Center (Government)

VA Health Administration Center (Company)

VHA Chief Business Office (Government)

Vanguard Health Systems (Company)

Verizon Information Technologies (Vendor)

Verizon Information Technologies, Inc. (Company)

Virginia DMAS (Government)

Virginia Department for Aging and Rehabilitative Services (Government)

WA Department of Labor and Industries (Government)

WEX Inc. (Vendor)

WPS Insurance (Healthplan)

Washington Dental Service (Healthplan)

Washington University Medical School (Not-for-Profit)

Waukesha County Department of Health and Human Services (Government)

Webify Solutions, Inc. (Vendor)

Wellmark BCBS of South Dakota (Healthplan)

Wellmark Blue Cross Blue Shield (Healthplan)

Wellmark BlueCross BlueShield of Iowa (Healthplan)

West Virginia Health Care Authority (Government)

Wheatlands Administrative Services (Provider)

Wisconsin Medicaid (Medicaid Organization)

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

XIFIN (Vendor)

Xerox Business Services (Vendor)

Xerox Government Healthcare Solutions (Vendor)

Xerox State Healthcare, LLC (Vendor)

ZirMed, Inc. (Vendor)

athenahealth, Inc. (Vendor)

eHealth Ohio (Affiliate/Regional Entity)

inMediata (Vendor)

ppoONE (Vendor)