Lahey Hospital & Medical Center Q1 2016 Outpatient ER Visits Market Share in Middlesex County, MA is 7.23%, compared to 7.4% in Q1 2015 and 7.73% in 2014

Hospital Name	Q1 2016	Q4 2015	Q3 2015	Q2 2015	Q1 2015	Q4 2014	Q3 2014	Q2 2014	Q1 2014
Middlesex County, MA
Lahey Hospital & Medical Center
Lowell General Hospital
MetroWest Medical Center
MelroseWakefield Healthcare
Newton-Wellesley Hospital
CHA Cambridge Hospital
Winchester Hospital
Emerson Hospital
Mount Auburn Hospital
Massachusetts General Hospital
Marlborough Hospital
Nashoba Valley Medical Center
Brigham and Women's Hospital
Beth Israel Deaconess Medical Center
Massachusetts Eye and Ear Infirmary
St. Elizabeth's Medical Center
Boston Medical Center
Milford Regional Medical Center
Beth Israel Deaconess Hospital - Needham

Hospital Name	Q1 2016	Q4 2015	Q3 2015	Q2 2015	Q1 2015	Q4 2014	Q3 2014	Q2 2014	Q1 2014
Essex County, MA
Lahey Hospital & Medical Center
Mass General Brigham Salem Hospital
Beverly Hospital Corporation
Holy Family Hospital
Lawrence General Hospital
Anna Jaques Hospital
MelroseWakefield Healthcare
Massachusetts General Hospital
Lowell General Hospital
Portsmouth Regional Hospital
Massachusetts Eye and Ear Infirmary

Hospital Name	Q1 2016	Q4 2015	Q3 2015	Q2 2015	Q1 2015	Q4 2014	Q3 2014	Q2 2014	Q1 2014
Rockingham County, NH
Lahey Hospital & Medical Center
Exeter Hospital
Portsmouth Regional Hospital
Parkland Medical Center
Holy Family Hospital
Elliot Health System
Anna Jaques Hospital
Wentworth-Douglass Hospital
Catholic Medical Center
Lawrence General Hospital
Concord Hospital
Frisbie Memorial Hospital
York Hospital
Southern New Hampshire Medical Center