Skip to main content

Our Cancer Physicians


Bhoomi Mehrotra

Bhoomi Mehrotra, M.D., Director of Oncology & Director of The Cancer Institute at St. Francis Hospital

Dr. Mehrotra is the former Associate Chief for Oncology at North Shore LIJ Department of Medicine. Prior to that, he served as section chief of Medical Oncology and director of the Adult Autologous Stem Cell Program at Long Island Jewish Medical Center in New Hyde Park, NY, until 2011. He is currently an associate professor of medicine at the Hofstra North Shore-LIJ School of Medicine and has been recognized by Castle Connolly as one of the “Best Doctors” in the New York Metro area. Dr. Mehrotra received his medical degree at the University of Delhi, where he also completed an internship. He completed his residency in Internal Medicine at LIJ and a fellowship in Hematology and Oncology at the Cancer Research Institute, at the University of California (UC) in San Francisco. He also conducted postdoctoral fellowships in UC’s Radiation Oncology Research Laboratory, Brain Tumor Research Center, the Cancer Research Institute and Division of Molecular Cytometry, in the Department of Laboratory Medicine.


GAry R. Gecelter

Gary R. Gecelter, M.D., FACS, Chairman of Surgery

Dr. Gecelter, a widely recognized expert in surgical oncology and laparoscopic surgery, is the Chairman of the Department of Surgery at St. Francis and oversees the Hospital's growing noncardiac surgical program, which includes advanced technology and minimally-invasive techniques in esophageal, pancreatico-biliary, colon, urological, ear, nose and throat and orthopedic surgery. Dr. Gecelter served as the Vice-Chairman of the Department of Surgery at the North Shore-Long Island Jewish Health System before joining St. Francis in 2008. Dr. Gecelter is a founding member of the Minimally Invasive Fellowship Council and a member of numerous national and international societies, including the Society of Surgical Oncology and Society for Surgery of the Alimentary Tract. He is also a member of the American College of Gastroenterology and has been invited to lecture throughout the world, including the United Kingdom, South Africa, Chile, Argentina and Colombia.




Dilip Patel, M.D., Director of Malignant Hematology/Oncology

Dr. Patel received his medical degree at the Faculty of Science, M.S. University in Baroda, India. He completed residencies in internal medicine at S.S.G. Hospital in Baroda, and at Lincoln Hospital-New York Medical College in New York City before completing his fellowship in hematology/oncology at the University of Connecticut Health Center. Dr. Patel served as an attending hematologist/oncologist at Queens Hospital Center in Jamaica, New York, and also in the Division of Hematology/Oncology department at Long Island Jewish Medical Center (LIJ) in New Hyde Park, New York. Dr. Patel served as the Medical Director at Long Island Jewish Medical Center Home Care in Lake Success, New York. He served as the program director of the fellowship program for the Division of Hematology/Oncology at LIJ from 1992 to 2010 and as the chief of the Division of Hematology in the department of pathology at LIJ from 1997 to 2004. Dr. Patel is currently an associate professor of clinical medicine at the Albert Einstein School of Medicine in the Bronx, as well as associate professor of medicine at Hofstra North Shore-LIJ School of Medicine. Dr. Patel is a member of the American Board of Internal Medicine-Oncology and the American Board of Internal Medicine-Hematology and has numerous publications, some of which have appeared in the American Journal Hematology, Journal of Immunotherapy, and the American Journal of the Medical Sciences.


Mitchell I. Chorost

Mitchell I. Chorost, M.D., FACS, Director of Surgical Oncology

Mitchell I. Chorost, M.D., FACS, joined St. Francis Hospital as Director of Surgical Oncology in 2014. Dr. Chorost, who has extensive experience in the treatment of gastrointestinal and liver cancers, served as the Director of Surgical Oncology and Associate Director of the Cancer Center at New York Hospital Queens. Prior to that, he was the Associate Program Director in the Department of Surgery and Chief of Gastrointestinal Surgical Oncology at Maimonides Medical Center in New York City. Dr. Chorost received his medical degree from University of Medicine and Dentistry of New Jersey and completed his residency in general surgery at the State University of New York at Stony Brook. He then completed his fellowship in surgical oncology at the Roswell Park Cancer Institute in Buffalo. Dr. Chorost is a board-certified surgeon as well as a fellow of the American College of Surgeons, the Society of Surgical Oncology, and the American College of Clinical Oncology. He currently serves as the State Chair of Commission on Cancer for the American College of Surgeons.


Rajasree Roy

Rajasree Roy, M.D., Attending Physician, Hematology/Oncology

Dr. Roy received her medical degree from Dhaka Medical College, in Bangladesh, and completed her internal medicine residency at Coney Island Hospital in Brooklyn, NY and her internal medicine and OB/GYN residency at Dhaka Medical College Hospital. Dr. Roy also completed a hematology/oncology fellowship at Albert Einstein College of Medicine at Long Island Jewish Medical Center Program as well as hematology fellowship at Coney Island Hospital. She is an attending physician at Long Island Jewish Medical Center, New Hyde Park, NY, Attending Physician, and an assistant professor of medicine at Hofstra North Shore LIJ School of Medicine, Assistant Professor of Medicine. Dr. Roy’s publications have appeared in Oncology, Journal of Clinical Oncology, and Blood, and she is a member of the American Society of Hematology, and the American Society of Clinical Oncology.


Wallace Chan

Wallace Chan, M.D.

Dr. Chan is board certified in Internal Medicine, Hematology and Oncology. He served his Residency at Forest Hills Hospital, North Shore LIJ, with Fellowships at LIJ Medical Center, Monter Cancer Center, Hofstra North Shore LIJ School of Medicine. While at Forest Hills Hospital Northwell, Dr. Chan was named outstanding resident physician for two consecutive years. He was also recognized for excellence in teaching as chief resident physician.




Dr. Zervos

George Zervos, M.D.

Dr. Zervos is Board Certified in Internal Medicine and Medical Oncology. He graduated from the Bucharest School of Medicine in Romania. Dr. Zervos served his residencies at the University Hospital of Bucharest and SUNY, Downstate Medical Center. He has completed fellowships in Hematology at New York University Hospital; Medical Oncology at Montefiore Hospital; Medical Oncology a Mt. Sinai Hospital; and the New York Blood Center. Dr. Zervos has been published in leading scientific journals. He is fluent in French, Italian, Romanian, and English.




Jay L. Bosworth

Jay L. Bosworth, M.D., F.A.C.R., Director of Radiation Oncology

Dr. Bosworth graduated from Albert Einstein College of Medicine and served as Director of Radiation Oncology at North Shore University Hospital for almost 20 years before entering private practice. He annually has been listed by Castle Connolly as one of the Top Radiation Oncologists in the NY Metropolitan Area. Dr. Bosworth has published and presented at local and national cancer meetings on breast, prostate, and eye tumors. Dr. Bosworth is a member of the American Society for Clinical Oncology and serves on cancer society committees for the American Society for Radiation Oncology and American Society for Breast Diseases. He is a past President of the NY Cancer Society.



Dr. Katz

Alan Katz, M.D.

Dr. Katz is board certified in Radiation Oncology. He graduated from NYU Schools of Medicine and Law, and completed his Residency in Radiation Oncology at NYU. Prior to joining St. Francis, he directed the Department of Radiation Oncology at Winthrop University Hospital, where he developed the department’s Cyberknife Radiosurgery Program. Dr. Katz pioneered the use of radiosurgery for prostate cancer lecturing and training physicians in the field in the U.S., Europe, and Asia. He is a member of the American Board of Radiology and his research has appeared in numerous scientific publications.