Thomas Ullman, MD

Xiannian Wu, MD is an an Assistant Professor of Medicine at Columbia University Medical Center. He is board certified in Internal Medicine, Endocrinology, Diabetes and Metabolism. He received his Medical Degree as well as completed both his Residency and Fellowship in Internal Medicine and Endocrinology from SUNY Downstate College of Medicine. Dr. Wu, originally practicing at Queens Hospital center returns to NY from his prior position out of Hershey, Pennsylvania. He is currently practicing at NewYork-Presbyterian Medical Group-Westchester located at 77 Pondfield Road (Lower Level) Bronxville, NY 10708. He specializes in multiple fields of Endocrinology with special interests in Diabetes and Thyroid Pathologies. He enjoys explaining the conditions he treat as he feels this will truly enhance his patient's understanding and overall outcome. In his personal time Dr. Wu enjoys keeping up with the latest automobiles and indulging in woodworks projects.

Dr. Anthony Provenzano is a practicing Medical Oncologist at NewYork-Presbyterian Medical Group Westchester located in Bronxville, NY. He received his medical degree from Cornell University Medical College and has been in practice for 36 years. Some of Dr. Provenzano’s areas of interest are, but are not limited to, lung cancer, breast cancer, genitourinary cancer, GI malignancy, lymphoma, esophageal cancer, head and neck malignancy, and melanoma (see below). Dr. Provenzano is published in various peer-reviewed journals in oncology such as the Journal of Oncology Practice and the Journal of Clinical Oncology (JOCO). In the latter, he is one of the authors and committee members for the ASCO guidelines for Laryngeal Preservation of Head and Neck Cancer and Malignant Melanoma which were recently published in JOCO. He has lectured on and has a special interest in the toxicity of immunotherapy treatment of malignancy. He also has published articles in ASCO Connection. He is a member of ASCO's (American Society of Clinical Oncology) clinical guideline committee. He is on the Advisory Guideline Group to the Clinical Practice Guidelines Committee for ASCO. Dr. Provenzano is board certified in Medical Oncology and is up to date in MOC (maintenance of certification). In addition, he has a BS in Electrical Engineering from Cornell University and has interests in the applications of mathematics and physics to oncology diagnostics and treatment.In addition to what is previously listed he has a special interest in cancer genetics, immunotherapy, and basic science applications for cancer diagnostics and treatment. Dr. Provenzano is also the chairman of the Cancer Committee at New York Presbyterian Lawrence Hospital and has assisted in attaining and maintaining the accreditation of our Cancer Program. Other awards and recognitions are the Outstanding Service Award American Cancer Society, Westchester County, NY 1983-1990.Castle Connelly Best Doctors New York Metro Area.Former chief of Medical Oncology at Lawrence Hospital.Editorial Board Cancer.net, advisory panel. Dr. Provenzano has written an article about COVID-19, Cancer, and Uncertainty. You can read it here.

This provider is no longer with NYU Langone Health.