Meet the Team
Mary Margaret Kemeny, MD, FACS
Surgical Oncology
Dr. Margaret Kemeny, a world-renowned surgical oncologist, serves as director of Queens Cancer Center.
In addition to her role as professor of surgery at Mt. Sinai School of Medicine, Dr. Kemeny is a leading clinical researcher and pioneer in the field of intrahepatic infusion therapy for liver tumors. She helped develop a pump that delivers chemotherapy into the main artery of the liver, destroying tumors while preserving healthy tissue. For her outstanding work in this field, Dr. Kemeny has been recognized as one of the leading surgeons in the metropolitan area by both the Castle Connolly Guide of Top Doctors and New York Magazine.
After graduating from Columbia University, College of Physicians and Surgeons, Dr. Kemeny completed a clinical internship and residency at Presbyterian Hospital, New York, and University of Colorado Medical Center. In addition, she completed a fellowship in tumor oncology and a research fellowship in thoracic surgery at Memorial Sloan-Kettering Cancer Center, and also served as a clinical associate of the Surgical Branch of the National Cancer Institute, National Institutes of Health.
Dr. Kemeny is a diplomate of the American Board of Surgery and a fellow of the American College of Surgeons. She has served on the editorial board of several major oncology journals, guest lectured at national and international medical meetings, and contributed more than 200 articles, abstracts, and chapters to a wide array of peer-reviewed clinical journals, treatment guidelines, and books.
Natalia Calderon, MD
Medical Oncologist
Dr. Natalia Calderon is an attending physician in the Division of Hematology and Oncology at the Queens Hospital Center. She recently joined the staff after completing her fellowship at North Shore University Hospital in Hematology and Oncology. Dr. Calderon completed her internal medicine residency in 2001 at Bronx-Lebanon Medical Center. Dr. Calderon’s areas of interest include gastrointestinal malignancies as well as breast cancer. In addition, she has had extensive experience in the treatment of leukemia and lymphomas. She is fluent in Spanish and has particular interest in the health issues of the Hispanic population of Queens.
Dr. Calderon is a Diplomat of the American Board of Internal Medicine and is Board Certified in Hematology and Medical Oncology.
Elliott J. Goytia, MD, MA
Internal Medicine/ Cancer Survivorship
Dr. Elliott J. Goytia is an assisting attending in the Department of Medicine at Queens Hospital Center. Dr. Goytia joined the staff at QHC to direct a primary care clinic within the Queens Cancer Center of Queens Hospital focused on the treatment of cancer survivors.
Prior to joining QHC, Dr. Goytia completed his internal medicine residency at the Mt. Sinai School of Medicine’s Cabrini Medical Center internal medicine program. Subsequently Dr. Goytia completed a postdoctoral research fellowship in Psycho-Oncology at Memorial Sloan-Kettering Cancer Center. Dr. Goytia also possesses a Masters degree in Psychology from the City College of New York. Dr. Goytia is fluent in Spanish and has particular interest in correcting health disparities among medically underserved populations. Dr. Goytia has published in peer-reviewed medical journals and is currently an investigator in an NCI funded grant involving the use of community based participatory research to reduce cancer health disparities by promoting and improving usage of cancer prevention, cancer screening, and treatment interventions.
Judith Janz, MD
NeuroPsychoOncology
Dr. Judith Janz is an attending physician in the Department of Psychiatry and the Cancer Center at the Queens Hospital Center. Dr. Janz is a diplomate of the American Board of Psychiatry and Neurology, and has ABPN Certification in Psychosomatic Medicine and Geriatric Psychiatry. In addition, she has Certification in Behavioral Neurology and Neuropsychiatry from the United Council for Neurological Subspecialties and Certification in Addiction Medicine from the American Society of Addiction Medicine. Dr. Janz is a reviewer for the Journal of Neuropsychiatry and Clinical Neurosciences.
Dr. Janz has extensive knowledge and experience in the diagnosis and treatment of neuropsychiatric disorders in the medically ill and the elderly.
Dr. Janz is a graduate of the Albert Einstein College of Medicine. She completed her residency at the New York Hospital-Cornell Medical Center, Westchester Division. In addition, she completed fellowships in Consultation/Liaison Psychiatry and Geriatric Psychiatry at New York University Medical Center.
William X. Li, MD, MSc
Radiation Oncology
Dr. William Li is director of the Department of Radiation Oncology at Queens Cancer Center and Elmhurst Hospital. He is board certified by the American Board of Radiology and has served as principal investigator for a major prostate cancer study and co-principal investigator for the New York Cancer Project. Dr. Li’s areas of interest include apoptosis, intraoperative brachytherapy, and chromosal aberrations.
After graduating from the Sun Yat-Sen University of Medical Sciences School of Medicine in China, Dr. Li completed research fellowships at the University of California, San Francisco, and Memorial Sloan-Kettering Cancer Center. He completed his clinical residency with the Department of Radiation Oncology at Albert Einstein College of Medicine, serving as chief resident from 1988-1999.
Benjamin William Pace, MD, FACS
Breast Services
Dr. Benjamin Pace is director of breast services for Queens Cancer Center and director of the Department of Surgery Mt. Sinai Services at Queens Hospital Center. In addition to his hospital affiliations, Dr. Pace serves as clinical associate professor of surgery at Mt. Sinai School of Medicine and is a diplomate of the American Board of Surgery. He is widely published in key medical journals and conducts clinical research in the area of breast cancer.
For his dedication to women’s health issues, Dr. Pace was named among America’s Top Surgeons by the Consumer’s Research Council of America and the Top Doctors in New York by Castle Connolly Medical Ltd. In addition, he received the Manhattan Breast Cancer Awareness Award in 2002 and the Outstanding Physician Award in 2000.
Barbara R. Seligman, MD, FACP, PC
Hematology and Medical Oncology
Dr. Barbara Seligman is an attending hematologist in the Division of Hematology and Oncology at Queens Hospital Center and an assistant professor of medicine at SUNY Downstate Medical Center. In addition to her academic and clinical appointments, she has authored and co-authored 40 articles and abstracts for numerous clinical journals and has earned the designation of fellow of the American College of Physicians. Dr. Seligman is also a diplomate of the American Board of Internal Medicine, the National Board of Medical Examiners, the American Board of Hematology, and the American Board of Medical Oncology.
After earning an MD from the University of Miami, Dr. Seligman completed a medical internship and residency at U.S. Public Health Service Hospital in Staten Island, an oncology fellowship at the Baltimore Cancer Research Center, and a hematology fellowship at Maimonides Medical Center in Brooklyn.