Executives from these hospitals and systems attended the 2007 OUTPATIENT 100:

Albert Einstien Healthcare Network
Alton Memorial Hospital
Ascension Health
Atlanticare Health Services
Baptist Health
Baptist Outpatient Services
Bassett Healthcare
BayCare Health System
Boca Raton Community Hospital
Bon Secours Health System, Inc.
Brookwood Medical Center
Butler Health System
CareWorks Convenient Healthcare
Carolinas Healthcare System
Children's Hospital Boston
Children's Hospitals and Clinics of Minnesota
Children's Hospitals and Clinics, MN
Community Health Network
Community Health Systems
Concentra Inc.
Crozer-Keystone Health System
DaVita Inc.
Duke University Health System
Eastern Maine Healthcare Systems
ECHN
Envision Healthcare Corporation
Fairview Lakes Health Services
Feather River Hospital
FirstHealth of the Carolinas
Flaget Memorial Hospital
Franciscan Health System
Genesys PHO
Greene Memorial Hospital
Hamot Medical Center
Hancock Regional Hospital
Hattiesburg Clinic
HCA
Health Alliance of Greater Cincinnati
HealthEast Care System
Heart of Lancaster Regional Medical Center
High Point Regional Health System
Holy Cross Hospital / Holy Cross HealthPlex
Holzer Clinic
Jefferson Regional Medical Center
Jupiter Medical Center
Kindred Healthcare
King's Daughters Clinic
Lake City Community Hospital
Lakeland Regional Medical Center
Lancaster General Hospital
Lee Memorial Health System
Leesburg Regional Medical Center
Lehigh Valley Hospital
Lourdes Hospital
Main Line Health
Memorial Health Care System
Memorial Healthcare
Memorial Regional Hospital
Ministry Medical Group
Moses Cone Health System
Mountain States Health Alliance
North Shore-Long Island Jewish Health System
NorthCrest Medical Center
Northwest Community Hospital
Novant Medical Group
Ochsner Health System
Ohio Health
Olean General Hospital
OnCure Medical Corp.
Orlando Regional Healthcare
Palmetto Health
Parrish Medical Center
PinnacleHealth System
Poudre Valley Hospital
Premier Health Partners
ProHealth Physicians
Providence Health System
Redlands Community Hospital
Rex Healthcare
Roper St. Francis Healthcare
RWJ Hamilton
Saint Thomas Health Services
Saint Vincent Health Center
Salem Hospital Regional Health Services
Saline Memorial Hospital
Sarasota Memorial Health Care System
Scottsdale Healthcare
Seton Health
Shady Grove Adventist Hospital - Adventist Healthcare
Shands Jacksonville Medical Center
Shawnee Mission Medical Center
Skagit Valley Hospital
South Jersey Healthcare
Southcoast Health System
St. Anthony's Medical Center
St. Francis Hospital & Health Centers
St. Joseph Hospital
St. Mary Medical Center
St. Rita's Medical Center
St. Tammany Parish Hospital
St. Vincent 's
Summa Health System
Sutter Health
SwedishAmerican Health System
TENET Healthcare Corporation
Terrebonne General Medical Center
The Jackson Clinic, P.A.
The Queens Health Systems
Tift Regional Medical Center
Touro Infirmary
Trinity Mother Frances Health System
University of Colorado Hospital
VIA Christi Wichita Health Network
Virtua Health
Visionary Enterprises
WakeMed Health & Hospitals
WakeMed Raleigh Campus
WellSpan Health
West Penn Allegheny Health System
Wheaton Franciscan Healthcare - St. Joseph
Wheaton Healthcare - Wauwatosa