AETNA
American Psych Systems
AmeriHealth
Arcadian Management Services
Atlantic Medical Associates/Mayan Health PPO
Atlantis Health Plan
AT&T/Lucent
Aurora Imaging Technology
Bayonne Medical Center
BCBS of Colorado; Massachusetts; Michigan; N. Carolina; Texas; Utica/Watertown; Western NY
Bellevue Woman’s Hospital
Benedictine Hospital
Bergen Regional Hospital
Beth Israel Medical Center
Bronx Lebanon Hospital
CarePlus Health Plan
Cigna
Cinergy Community Care Network (CCN)
Columbia Memorial Hospital
Community General Hospital of Sullivan County
ConnectiCare
ConSova
Consumer Health Network
Continuum Health Partners
Coventry
Creditek MediFinancial
ElderPlan
Ellis Hospital
Empire Blue Cross Blue Shield
Episcopal Health Systems
Fidelis
GHI
H.A.N.Y.S.
Health Advocate
HeatlhAmerica of Pennsylvania
HealthDirect
HealthMarkets
Healthfirst
Health Net
Health Plus
Healthwave
Healthy Choice Managment
Highmark, Inc.
HIP
Holy Name Hospital
Horizon Healthcare of NY

Interfaith Medical Center
ITA Partners
Jacoby Hospital
Kingsbrook Jewish Medical Center
Kingston Regional Health System
Kurron
Lakeview Health Systems
Lenox Hill Hospital
MagnaCare
Margaretville Hospital
MediBank
MEDTRX
Miavita
Millennium Practice Management Associates
Mobil Corporation
Montefiore Medical Center
MultiPlan
National Preferred Provider Network (NPPN)
The New York & Presbyterian Health System
New York Downtown Hospital
Neighborhood Counseling Center
New York Network Management
North Bronx Healthcare Network
North General Hospital
Oxford Health Plans
Palisades General Hospital
Phoenix House
Pomco
Richmond Imaging
Royal Neighborhood Health Plan
St. Catherine of Siena Hospital
St. Clare’s Hospital
Schaller Anderson
St. John’s Episcopal Hospital
St. Mary's Hospital of Passaic
Stepping Stone Recovery
Triad Healthcare
United Health Works
University MSO
Value Options
Vista
VNS of New York
Waste Management
Wellcare Health Plan
Winthrop University Hospital
Women’s Primary Care Services
Wyckoff Medical Center