HMH Maestro


Mountainside Medical Center

Located in Montclair, Hackensack Meridian Health 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 Healthcare, one of the country’s leading private hospital management companies.

Serving Montclair and the surrounding communities for more than a century, Mountainside Medical Center offers an array of high-quality, technologically advanced health care services. Significant capital improvements have been made to the emergency department, women’s services and patient navigation of the medical center as well as upgrades to medical technology, including new state-of-the-art MRI, CT, nuclear medicine and telemetry systems. In addition, Mountainside Medical Group continues to grow with the addition of new physicians in primary care, endocrinology, pulmonology, obstetrics and gynecology and a breast care specialist. The development of a new medical office building will enable Mountainside Medical Center to further enhance the scope and quality of comprehensive care services, while bringing additional economic and quality of life benefits to the community.

Hospital Leadership


Mark D. Sparta, FACHE
Regional President North
Hackensack Meridian Health

Tim O’Brien
Chief Executive Officer

Valarie McPherson, RN, MSN, MBA, NEA-BC
Chief Nursing Officer

Karen Palatella
Vice President and Chief Quality Compliance Officer

Al Aboud
Vice President and Chief Financial Officer

Valerie Allusson, M.D.
Chief Medical Officer

Fran Corridon
Vice President, Human Resources

Jeffrey Welsh
Vice President, Physician and Business Development

Denise Zbar
Vice President, Physician Practices

Medical Staff Leadership

Michael Molinaro, M.D.

Arthur Calise, D.O.
Vice President

Lopa Patel, M.D.

John Imbesi, M.D.

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