PHILANTHROPY DAY 2023

Dr. Mark Geller has been the President and Chief Executive Officer for Montefiore Nyack Hospital since 2014. He led the formal affiliation process with the Montefiore Health System which partnered Nyack Hospital with one of the nation’s leading academic institutions. He is also currently overseeing the Montefiore Nyack Hospital Transformation Project, the largest construction project at the Hospital in decades.

Dr. Geller and his team have been working towards transforming the delivery of healthcare by offering new programs and services at the Hospital while partnering with community benefit organizations to create a comprehensive network of care for all of Rockland County.

Prior to his appointment at Montefiore Nyack Hospital, Dr. Geller held the position of Chief Executive Officer at Hudson Valley Radiology Associates for over 17 years. He had served Nyack Hospital in a number of leadership posts during his medical staff tenure including President of Medical Staff, Chair of Credentials and Medical Executive Committees with associated membership on the Board of Trustees, Member of Performance Improvement Committee, and the Nyack Hospital Foundation.

Dr. Geller has served in numerous leadership positions in the radiology industry including: Chairman of the Physician Advisory Board at RadNet, Inc. and Vice Chairman of the Physician Advisory Board at Radiologix, Inc. He played a central role in the formation of American Physician Partners Management (APPM), a national radiology services company, which consolidated numerous radiology practices, imaging centers, and hospital joint ventures.

Named a NY Metro Top Doctor since 2001, Dr. Geller has also been recognized asthe Nyack Hospital Physician of the Year in 2004 and a Hudson Valley Top Doctor since 2007.

Dr. Geller earned his Medical Degree from SUNY–Downstate and Bachelor of Arts in Philosophy from Duke University. He completed a Residency in Diagnostic Radiology at New York Medical College where he served as Chief Resident and has subspecialty training in Cross Sectional Imaging and Nuclear Cardiology. He holds Certification through the American Board of Radiology.

A resident of Rockland County, New York, he and his wife have raised their family in the community served by Montefiore Nyack Hospital. The Geller’s are active in numerous civic and charitable activities.