Aetna, Inc.
AmeriHealth
AvMed
Blue Cross & Blue Shield Companies
HealthNet
Centene Corporation
CIGNA Health Plans, Inc.
Community Health Plan of Washington
ConnectiCare
Department of Defense - TRICARE
Department of Veterans Affairs (VHA)
Acaria Health Envolve Pharmacy Solutions
EmblemHealth, Inc.
Express Scripts National Formulary
Geisinger Health Plan
Harvard Pilgrim Health Care
Health First, Inc. Florida
Healthfirst
HealthPartners, Inc.
Humana, Inc.
LifeWise
Magellan Health Services Inc
Medica
Moda
Health
Molina Health Care, Inc.
Optimum HealthCare, Inc.
Oregon Public Employees Retirement System
Oxford
UnitedHealthcare
Positive Healthcare
Prestige Health
Choice
Santa Fe Healthcare
Select Health of South Carolina
Tufts Health Plan Corp.
UnitedHealth Group, Inc
Univera Healthcare
WellCare Corporation
WellDyneRx
Well Sense Health Plan
Mass Health
Well Sense Health Plan
NH Health
Well Sense Health Plan
Qualified Health Plans/ConnectorCare/Employer Choice Direct
Wisconsin Physicians Service Insurance Corporation
A/B MAC Jurisdiction K
NGS
A/B MAC Jurisdiction L
Novitas
A/B MAC Jurisdiction M
Palmetto
A/B MAC Jurisdiction N
FCSO
A/B MAC Jurisdiction 15
CGS
A/B MAC
Noridian
Wisconsin Physicians Service Insurance Corporation