
Mountainside Medical Center
Focused on medical excellence and community service for more than a century

Take the first step towards reducing orthopedic pain.
Living with joint and muscle pain can be difficult. Our team at the Orthopedic Institute at Mountainside Medical Center is committed to helping you live pain free, with orthopedic treatments that include:
- Comprehensive neck, back, and spine care
- Minimally invasive surgical treatments
- Orthopedic rehabilitation services delivered by a team of skilled physical therapists
- Other services like joint injection therapy, fracture care, and treatment for sports injuries
Bariatrics
At Mountainside Medical Center, we understand that weight loss surgery is a big decision that can change your life. That’s why our bariatric doctors are prepared to answer your questions and offer you support every step of the way on your weight loss journey. We offer weight loss seminars and a variety of surgical treatments, including gastric bypass and sleeve gastrectomy, for patients who are eligible for bariatric surgery.


Classes and Events
We offer a range of classes and events tailored to your health needs and interests. From General Wellness and Maternity Care to Behavioral Health, Children’s Care, and Community Events, there’s something for everyone. Our classes are designed to support and educate. Explore our Classes and Events and sign up today.
News & Events
The latest news and events from Mountainside Medical Center
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Hackensack Meridian Mountainside Medical Group welcomes Youssef Hannallah, M.D.
Read more: Hackensack Meridian Mountainside Medical Group welcomes Youssef Hannallah, M.D.Mountainside Medical Group has announced that Youssef Hannallah, M.D., has joined the practice in the field of internal medicine. Board certified by the American Board of Internal Medicine and the American Board of Pediatrics, Dr. Hannallah has extensive experience in internal medicine, emergency care and pediatric medicine. He believes building relationships with his patients and the community…
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Skin Cancer Awareness & UV Safety Month
Read more: Skin Cancer Awareness & UV Safety MonthAccording to the Skin Cancer Foundation, approximately 9,500 people are diagnosed with skin cancer daily making it the most common type of cancer. Although skin cancer is very common there are still many preventative measures that can be taken to protect yourself and those around you against it. The American Academy of Dermatology recommends three…
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Hackensack Meridian Mountainside Medical Center is nationally recognized for its commitment to providing high-quality stroke care
Read more: Hackensack Meridian Mountainside Medical Center is nationally recognized for its commitment to providing high-quality stroke careThe American Heart Association presents Get With The Guidelines – Stroke GoldPlus award for proven dedication to ensuring all stroke patients have access to best practices and life-saving care Hackensack Meridian Mountainside Medical Center has received the American Heart Association’s Get With The Guidelines® – Stroke GoldPlus quality achievement award for its commitment to ensuring stroke patients receive the…
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. 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.
Join Our Team Today
At Mountainside Medical Center, exceptional associates provide exceptional care. It is not only our identity, it is also our expectation.