Dr. Geller, a radiologist, formerly served as president of the Nyack Hospital medical staff. He will take a leave of absence from Hudson Valley Radiology Associates in Yonkers, N.Y., where he currently serves as CEO.
John Volanto, vice president of support services and CIO, has been leading the hospital since David Freed resigned as CEO in September.
More articles on hospital and health system executive moves:
17 latest hospital, health system executive moves
Doctors Hospital of Laredo appoints Michael La Coste as COO
University of Michigan approves executive vice president of medical affairs