Danbury Hospital is a 456-bed hospital in Danbury, Connecticut serving patients in Fairfield County, Connecticut, Litchfield County, Connecticut, and New Haven County, Connecticut as well as Westchester County, New York, Putnam County, New York, and Dutchess County, New York.

The hospital is part of the Nuvance Health system.

• The Praxair Heart and Vascular Center provides medical services to patients with heart disease, including surgical, rehabilitative, and diagnostic care. The center was funded by Linde plc (then Praxair) in 2005, and has been in operation since 2006.
• The Internal Medicine Residency Program is a part of Yale School of Medicine's Affiliated Hospitals Program.
• Horblit Health Sciences Library is a staffed library located on hospital grounds, available as a resource to students enrolled in the Internal Medicine Residency Program.
• Maternity Care is offered through the dedicated Birth Center. The center is designated to care for patients with high-risk pregnancies and offers both prenatal and postpartum care.

• HealthGrades ranks Danbury Hospital in the top 5% across the United States for overall clinical performance - five years in a row: 2005, 2006, 2007, 2008 and 2009
• The only accredited chest pain center in Fairfield County, a level II trauma center and accredited stroke center.
• Health grades ranks Danbury Hospital in the top 5% in the United States for overall Cardiac Services - Two years in a row: 2008 and 2009
• Health grades ranks Danbury Hospital in the top 5 hospitals in Connecticut for the treatment of Stroke - Seven years in a row: 2003, 2004, 2005, 2006, 2007, 2008 and 2009
• Health grades ranks Danbury Hospital in the top 5 hospitals in Connecticut for Joint replacement - Two years in a row: 2008 and 2009
• Health grades ranks Danbury Hospital in the top 5% in the United States for Gastrointestinal Surgery in 2009
• Health grades ranks Danbury Hospital in the top 5% in the United States for overall Gastrointestinal Services - Two years in a row: 2008 and 2009
• Solucient LLC, a national firm providing statistical analysis of health care quality, named Danbury Hospital on its list of "100 Top Hospitals" for 2004, 2005 and 2006. (and one of only two across the country) to get "1A accreditation status" from the American College of Surgeons - the highest level of hospital achievement - for its quality, safety and reporting standards for weight-loss surgery.
• The American Society for Bariatric Surgery (ASBS) named Danbury Hospital as a bariatric surgery center of excellence in 2005.
• The hospital received "Accreditation with Commendation" from the Joint Commission on Accreditation of Healthcare Organizations.
• The hospital received "2009 CoC Outstanding Achievement Award" from the American College of Surgeons

• Brookfield Family Medicine and the Brookfield Specimen Collection Facility, in the Greenknoll Professional Building, 60 Old New Milford Road
• Danbury Diagnostic Imaging Center opened in Danbury in 2001.
• Danbury: Seifert & Ford Family Community Health Center, 70 Main St. in downtown Danbury
• Danbury Specimen Collection Facility, 41 Germantown Road
• New Canaan Immediate Care, 38 East Avenue
• Ridgefield Diagnostic Imaging (RDI), and the Ridgefield Surgical Center LLC, 901 Ethan Allen Highway-Route 7. RDI offers a "full range of diagnostic services" for radiologic care, according to a hospital news release. The surgical center is a joint venture between Danbury Health Systems and local surgeons and offers outpatient surgery. Both units opened in the summer of 2006 at the same address.
• Ridgefield Specimen Collection Facility, 10 South St.
• Southbury: The Danbury Hospital Health Center, in the Southbury Medical Building at 22 Old Waterbury Road, offers three primary care practices: Primary Care of Southbury, Southbury Pediatrics and Southbury Geriatrics) along with specialist practices (Health Specialists of Southbury, Physical Medicine Center of Southbury, Patient Laboratory Services and Home and Hospice Care).

Danbury Hospital is affiliated with University of Vermont School of Medicine, University of Medicine and Health Sciences, Ross University School of Medicine, New York Medical College. The hospital also affiliated with New York Medical College in 1974 to support pediatrics, psychiatry and surgery, the University of Connecticut's School of Medicine to support nuclear medicine.

Danbury Hospital is a member of the Council of Teaching Hospital and Health Systems (COTH) of the Association of American Medical Colleges (AAMC). Of the 1,100 hospitals involved in graduate medical education in this country, the 400 COTH member institutions train about three-quarters of the residents in the United States.

Founded in 1885, Danbury Hospital was a small community hospital for its first 50 years. Its School of Nursing was established in 1893, and the first graduate medical education (GME) program was a one-year general internship approved in 1926.

In 1970 the hospital developed a long-range strategic plan which included a proposal to make the hospital a regional teaching hospital. A full-time faculty was formed and eventually evolved into the multi-specialty, not-for-profit practice called Danbury Office of Physician Services, PC.

A three-story addition (Stroock Tower) and a two level parking garage opened in January 1985.

On June 20, 2014, a new 11 story, 316,000 sf addition to the hospital (The Peter and Carmen Lucia Buck Pavilion) was opened.

• New Milford Hospital
• Griffin Hospital in Derby, Connecticut
• Norwalk Hospital
• Stamford Hospital
• Bridgeport Hospital

• Danbury Hospital Web site
• Connecticut Department of Public Health
• Hospital Performance Comparisons a report released in February 2006 by the state Department of Health
• Careers at Danbury Hospital