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Meet Dr. Vigneri and Dr. Nambiar

All of our Radiation Oncologists are Board Certified (or eligible) and continue with academic, clinical and research interests. As one would expect, our physicians are committed to your well being.

Dr. Vigneri has been a practicing radiation oncologist for over 25 years. He received his Doctor of Osteopathy degree from the Kansas City College of Osteopathic Medicine. Following a rotating internship at Cherry Hill Medical Center in New Jersey, he served with the United States Public Health Service in St. Louis, Missouri, and then went on the complete his residency in radiation therapy at the University of Pennsylvania in Philadelphia, where he also served as chief resident.

Dr. Vigneri was a faculty member of Long Island Jewish Medical Center in the 1980s, where he was active in treating brain tumors with radioactive implants. He was also part of the team that initiated Stereotactic Radiosurgery on Long Island. In the 1990s, he served as Director of Radiation Oncology at the Center for Cancer Care at Sacred Heart Hospital in Allentown, Pennsylvania. In this capacity, he developed a well-respected clinical service—the first to bring advanced treatment to the region, including high-dose rate brachytherapy in 1996, outpatient implant therapy for gynecologic cancer in 1997, intensity-modulated radiation therapy (IMRT) in 1998 and partial breast irradiation in 2002.

In 2004, Dr. Vigneri returned to the North Shore-LIJ Health System, where he served as physician-in-charge at LIJ. He has been active academically, serving as an instructor in radiation therapy at the Mount Sinai School of Medicine, and currently is an assistant professor of radiation oncology at the Albert Einstein School of Medicine. He is a Fellow of the American College of Radiation Oncology, and has been an invited lecturer throughout the Northeast and in South America. Dr. Vigneri has published in nationally-circulated peer-reviewed journals, including the International Journal of Radiation Oncology and the Archives of Surgery. He has also co-authored a chapter in the textbook “Disorders of the Pancreas: Current Issues in Diagnosis and Management.”

Dr. Vigneri’s current interests include personalizing therapy for patients to minimize both short- and long-term side effects. He has extensive experience in treating prostate cancer with both external beam and implant approaches. He has been an early adopter of using high-dose rate brachytherapy in the treatment of gynecological cancers. Since 2002, Dr. Vigneri has been involved with partial breast irradiation (PBI) and was a major contributor to the national MammoSite registry. He was also an early advocate of using IMRT in head and neck cancers. Dr. Vigneri brings his extensive experience to Staten Island University Hospital, and ensures that the department can meet the oncologic needs our community.


Dr. Nambiar brings up-to-date training to the department, and has made many contributions since joining SIUH in early 2008. He received his medical degree at the Medical College of Virginia, and then served an internship at Stony Brook University. He completed training in radiation oncology at Henry Ford Health System in Detroit, Michigan. Additional training was done at St. Jude’s Children Hospital and the Seattle Prostate Institute. He is Board Certified in Radiation Oncology by the American Board of Radiology.

Dr. Nambiar has been an active contributor to multi-disciplinary tumor boards, and has led the department in incorporating Intensity Modulated Radiation Therapy (IMRT) into our treatment regimens. He has substantial expertise in computer systems and is playing an important role in converting the department to a “paperless” environment.

Dr. Nambiar has expertise in both Stereotactic Radiosurgery (SRS) and fractionated stereotactic body radiotherapy (FSRT) to sites within the brain and those involving the lung, liver, adrenal glands and the vertebral bodies. He now leads the department in developing a program for cranial and body sites. Other areas of interest include head and neck cancers and gynecologic malignancies.

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