Dr. Ashwatha Narayana practices at Northern Westchester Hospital and Phelps Hospital. Dr. Narayana is a member of the American Society for Radiation Oncology; the American Board of Radiology; the American Society of Clinical Oncology; the Society of Neuro-Oncology; the Indian Society of Neuro-Oncology; the Indian College of Radiation Oncology; the Association of Radiation Oncologist of India; and the Indo-American Cancer Association. He has also been involved in a variety of community and humanitarian projects that include conducting prostate cancer and breast cancer screening programs and helping improve quality and access to cancer therapy in developing countries in South East Asia, as part of American Society of clinical Oncology (ASCO) and Heath Volunteer Overseas (HVO).As part of the Northwell Health Cancer Institute at Northern Westchester Hospital, Dr. Narayana works with the multidisciplinary team to enhance existing services that include Intra-operative radiation therapy (IORT), high dose rate brachytherapy, (HDR), stereotactic body radiotherapy (SBRT) and Gamma Knife (GK) programs. He has brought skin brachytherapy to Northern Westchester Hospital, which offers patients a shorter course of treatment that can be completed in five to six visits over two weeks with local control and excellent cosmetic results. Dr. Narayana has led institutional teams to set-up brachytherapy, stereotactic radiosurgery programs, and oncology workshops in Russia, India and Nepal.His most recent project at Northern Westchester Hospital is Space OAR therapy for metastatic prostate cancer, which offers pain relief and excellent quality-of-life outcomes.Dr. Narayana has published more than 80 peer reviewed original articles and 15 book chapters and has given over 120 lectures as an invited speaker around the world. He has won numerous awards and honors including membership in The National Comprehensive Cancer Network (NCCN) in Central Nervous System Panel. He serves as an associate editor for the journal of clinical research and therapeutics as well as medical physics and is a reviewer for many oncology journals, including Journal of clinical oncology, Cancer research, Red journal and Neurosurgery. Dr. Narayana is highly rated in 19 conditions, according to our data. His top areas of expertise are Astrocytoma, Posterior Fossa Tumor, Familial Prostate Cancer, Pleuropulmonary Blastoma, and Gamma Knife Radiosurgery.

Leila Tchelebi is a Radiation Oncologist in Mount Kisco, New York. Dr. Tchelebi is highly rated in 18 conditions, according to our data. Her top areas of expertise are Pancreatic Cancer, Pleuropulmonary Blastoma, Posterior Fossa Tumor, Primitive Neuroectodermal Tumor (PNET), and Liver Embolization.

Lawrence Koutcher is a Radiation Oncologist in Cortlandt Manor, New York. Dr. Koutcher is highly rated in 19 conditions, according to our data. His top areas of expertise are Familial Prostate Cancer, Pleuropulmonary Blastoma, Prostate Cancer, and Primitive Neuroectodermal Tumor (PNET).

Thomas Mazzilli is a Radiation Oncologist in Carmel, New York. Dr. Mazzilli is highly rated in 5 conditions, according to our data. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Intraductal Papilloma, and Breast Cancer.

Albert Lee is a Radiation Oncologist in Yorktown Heights, New York. His top areas of expertise are Glioblastoma, Astrocytoma, and Glioma.

Julie Choi is a Radiation Oncologist in Cortlandt Manor, New York. Dr. Choi is highly rated in 6 conditions, according to our data. Her top areas of expertise are Primitive Neuroectodermal Tumor (PNET), Posterior Fossa Tumor, Meningioma, and Breast Cancer.

Mark Hurwitz is a Radiation Oncologist in Valhalla, New York. Dr. Hurwitz is highly rated in 2 conditions, according to our data. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Bone Tumor, Prostatectomy, and Liver Embolization.

Janna Andrews is a Radiation Oncologist in Sleepy Hollow, New York. Dr. Andrews is highly rated in 1 condition, according to our data. Her top areas of expertise are Anal Cancer, Breast Cancer, Adult Soft Tissue Sarcoma, Prostate Cancer, and Gastrostomy.

Peter Han is a Radiation Oncologist in Mount Kisco, New York. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Breast Cancer, and Angiosarcoma.

Kristine Kim is a Radiation Oncologist in Cortlandt Manor, New York. Her top areas of expertise are Metastatic Brain Tumor, Posterior Fossa Tumor, Medulloblastoma, and Non-Small Cell Lung Cancer (NSCLC).

Leah Katz is a Radiation Oncologist in Cortlandt Manor, New York. Her top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Breast Cancer, and Intraductal Papilloma.

Keith Meritz is a Radiation Oncologist in Valhalla, New York. Dr. Meritz is highly rated in 2 conditions, according to our data. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, and Metastatic Brain Tumor.

Nikol Mladkova is a Radiation Oncologist in Valhalla, New York. Dr. Mladkova is highly rated in 1 condition, according to our data. Her top areas of expertise are Squamous Cell Skin Carcinoma, Brain Tumor, Embryonal Tumor with Multilayered Rosettes, and Glioma.

Rohil Shekher is a Radiation Oncologist in Valhalla, New York. His top areas of expertise are Breast Cancer, Bone Graft, and Vertebroplasty.

Margaret Torrey is a Radiation Oncologist in Nyack, New York. Her top areas of expertise are Intraductal Papilloma and Breast Cancer.

Anca Tchelebi is a Radiation Oncologist in Armonk, New York.

Aviva Berkowitz is a Radiation Oncologist in Valhalla, New York.

Edward Halperin is a Radiation Oncologist in Valhalla, New York.