About Us

Patient focused, community oriented, conveniently located and equipped with technology that rivals the nation’s most prestigious healthcare systems, Mountainside Medical Center offers a comprehensive and growing array of services delivered by caring and highly skilled medical professionals. We’re proud of the therapeutic and administrative upgrades we have made. We’re the convenient, friendly community hospital that delivers the quality care, medical excellence and technology on which you can depend.

Mountainside Medical Center has been serving Montclair and its surrounding New Jersey communities since 1891. The physicians, nurses and volunteers who are a part of the Mountainside family are also your friends and neighbors. We’re your community, your hospital and your team, working hard on your behalf.

Continuously Moving Forward

Never content with the status quo, we continue to add services, staff, programs and technology to benefit our patients and our communities. From our state-of-the-art emergency center with its Fast Track program to our holistic mind-body women’s program to our comprehensive cancer center and a weight-loss surgery program recognized nationally as a Center of Excellence, Mountainside Medical Center is the right choice in the greater Montclair area.

1891: The Beginning of a Great Tradition

Margaret Jane Merewether Power was a preacher’s daughter who came from England to Montclair in 1874 with her husband. One summer day in 1890 she encountered a child who had fallen from a third-story window. Upset that there was no nearby healthcare facility where the child could be helped, she called on other women in her social circle to find a solution – marking the birth of Mountainside Medical Center.

By 1891, a three-story cottage belonging to widow Eliza Sheridan had been purchased. Dr. John J.H. Love was named the first President of the Medical and Surgical Staff, and Mountainside Medical Center officially began its mission of “caring for, curing and nurturing the sick and injured.” Today, nearly 130 years later, Mountainside Medical Center is still carrying out that mission. With 365 beds and 820,000 square feet in total, Mountainside Medical Center has come a long way. But some things never change. The compassion and commitment to the community felt by Mrs. Power continues to this day.

A Member of Hackensack Meridian Health

Located on the border of Montclair and Glen Ridge, Hackensack Meridian Mountainside Medical Center is proud to continue to provide world-class health care in a community setting. The medical center has successfully transitioned from a stand-alone facility to being part of Hackensack Meridian Health, the most comprehensive and truly integrated network in the state of New Jersey.

The medical center is a joint venture between Hackensack Meridian Health and Ardent Health Services, one of the country’s leading private hospital management companies.

About our Immedicenter

Our caring, board-certified family physicians provide convenient care at our Immedicenter. Our doctors have been featured in “America’s Top Family Doctors” since 2005. In 2009 we celebrated our 25th year in Clifton by setting up a $2500 scholarship fund for Clifton High School Seniors with aspirations to become healthcare professionals. We are confident that the more you know about us, the more you will trust that we are the best choice for your healthcare needs. We are a Patient Centered Medical Home (PCMH). Please click here for more information about PCMH.

Originally, our clinic served patients needing immediate care for injuries or periodic acute illnesses. However, the convenience of our clinic locations and the quality of care that patients received influenced the community to request that the facilities include primary care services.

The first Immedicenter facility opened in June 1984. Originally, the clinic served patients needing immediate care for injuries or periodic acute illnesses. However, the convenience of the clinic locations and the quality of care that patients received influenced the community to request that the facilities include primary care services. Today, our clinic is also known as Patient Centered Care Homes. In addition to practicing emergency medicine, physicians also see patients who suffer from chronic conditions on a long-term basis.

Our Immedicenter clinic functions in cooperation with local hospitals and primary care providers. The fees charged are similar to those charged by traditional physicians’ offices, which is more economical for cases requiring immediate medical intervention but that are not serious enough to need an emergency room visit.

Distinct Locations, Unified Commitment

Mountainside Medical Center and Immedicenter are distinct entities with unique histories and specialties, yet both are united by a common goal: to provide exceptional healthcare to our community. Mountainside Medical Center excels in comprehensive hospital services and specialized treatments, while Immedicenter focuses on delivering prompt and effective urgent care. Together, we ensure that our patients have access to the full continuum of care, from emergency and specialty services to immediate medical attention for urgent needs.

Whether you need advanced medical treatments or prompt urgent care, you can trust our facilities to deliver the highest standard of care with compassion and expertise. Our shared commitment to health and well-being drives us to continuously improve and innovate, ensuring that we meet the needs of our community today and for generations to come.