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NEW YORK AND BERKELEY HEIGHTS, NEW JERSEY – Summit Health, the region’s premier multispecialty physician group, today announced the addition of Leslie L. Montgomery, MD, FACS, FSSO, a board-certified surgical oncologist specializing in breast cancer care, to the expert team of providers at Summit Health Breast Care Center.

Prior to joining Summit Health, Dr. Montgomery was Chief of the Division of Breast Surgery at Hackensack University Medical Center and the Co-Director of the Breast Cancer Service at John Theurer Cancer Center in New Jersey.

Dr. Montgomery was formerly at Memorial Sloan Kettering Cancer Center in New York City, where she was an attending breast surgeon for more than 11 years. During that time, she served as the Director of the Special Surveillance Breast Program and the Director of the Breast Surgical Oncology Fellowship Program.

“We are proud to welcome Dr. Montgomery as the newest addition to the dedicated and exceptional team of breast surgeons and breast surgical oncologists at Summit Health,” said Adam Barrison, MD, Chief Physician Executive and Chief Medical Officer. “Dr. Montgomery personifies Summit Health’s commitment to health care that is more compassionate, considerate, and human – a more connected kind of care that always puts the patients first and results in the best outcomes possible.”

“I’m excited to join Summit Health and helping to enhance the level of care for patients to be more positive and less complex during a difficult time,” said Dr. Montgomery.

Dr. Montgomery received her undergraduate degree at Stanford University where she graduated with honors and distinction and was a member of the Phi Beta Kappa honor society. As the Regents scholar, she earned her medical degree at the University of California at San Francisco where she was a member of the Alpha Omega Alpha medical honor society and a recipient of the Women in Medicine Achievement Award. After her residency in general surgery at the New York Hospital/Cornell Medical Center, she completed research fellowships at the Brigham and Women’s Hospital in Boston, MA, and at Memorial Sloan Kettering Cancer Center.

Dr. Montgomery has a subspecialty interest in malignant diseases of the breast. Her research interests include preoperative therapy trials to reduce the burden of disease in the breast and axillary nodes, particularly in patient with triple negative breast cancer.

The Summit Health Breast Care Center offers comprehensive support and care of benign breast health conditions and all stages of breast cancer.

Dr. Montgomery is currently seeing patients in Montclair and Clifton. Patients interested in scheduling an appointment can call (973) 327-9585.

About Summit Health  

Summit Health is a physician-driven, patient-centric network committed to simplifying the complexities of health care and bringing a more connected kind of care.  Formed by the 2019 merger between Summit Medical Group, one of the nation's premier independent physician-governed multispecialty medical groups, and CityMD, the leading urgent care provider in the New York metro area, Summit Health delivers a more intuitive, comprehensive, and responsive care experience for every stage of life and health condition through high-quality primary, specialty, and urgent care. Summit Health has more than 2,500 providers, 12,000 employees, and over 340 locations in New Jersey, New York, Connecticut, Pennsylvania, and Central Oregon. For more information, please visit