Sisters of Providence Health System
- A faith based non profit organization serving all patients. Contains information on Mercy Medical Center, behavioral treatment and senior care. Springfield, Massachusetts.
- http://www.mercycares.com/

Northeast Health Systems
- Describes network of facilities including Beverly Hospital, Addison Gilbert Hospital, and BayRidge Hospital; includes list of services and programs with physician directory. Massachusetts.
- http://www.nhshealth.org/

North Shore Medical Center
- Medical services in Massachusetts. Consists of cancer center, children's hospital, Salem hospital, Shaughnessy-Kaplan rehabilitation hospital, Union hospital, and a women's center.
- http://www.nsmc.partners.org/

Cambridge Health Alliance
- A health system comprised of hospitals, a nursing home, a managed care plan and 20 community health centers and primary care sites throughout Cambridge and Somerville.
- http://www.challiance.org/

UMass Memorial Health Care
- The largest health care system in Central and Western Massachusetts. Covers UMass Memorial Medical Center (all campuses) and affiliated hospitals Clinton, HealthAlliance, Marlborough and Wing Memorial (Worcester and affiliated locations).
- http://www.umassmemorial.org/

Hallmark Health
- Network of medical and health centers offers services in Massachusetts. Describes services, provides directories, and lists employment opportunities.
- http://www.hallmarkhealth.org/

Partners HealthCare System
- Based in Boston the System is comprised of hospitals, primary care and specialty physicians, community health centers and other health-related entities. (Massachusetts)
- http://www.partners.org

Northeast Health Systems, Inc.
- A system of hospitals, rehabilitation services, specialty and longterm care services and behavorial sciences. (Beverly, Massachusetts)
- http://www.nhs-healthlink.org

Berkshire Health Systems
- Serving residents of Berkshire County, Massachusetts.
- http://www.berkshirehealthsystems.com/

Baystate Health System
- Providing an array of services in Massachusetts. The website includes health information as well as links to members and services.
- http://www.baystatehealth.com/

Cape Cod Healthcare
- Describes the services of Cape Cod Hospital and Falmouth Hospital, including programs, support groups, heart services, senior services, volunteer opportunities, and employment opportunities. Presents a health library. Massachusetts.
- http://www.capecodhealth.com/