Xiang D. Dong, MD

At Optum, we help adults and children breathe easier and improve their overall health. With an office conveniently located in Brewster, NY, our allergists offer care for a wide range of issues including eczema, skin rashes, itchy eyes, hives, sinusitis and more. If you aren't sure what is causing your symptoms, our diagnostic testing can help poinpoint the problem. These tests include allergy skin/patch testing, asthma testing and environmental allergy testing. Optum accepts most major health plans.

Jeffrey L. Halaas, MD, PhD, based in Brewster, NY, specializes in Hematology and Oncology. As the Chair of the Department of Oncology and a Clinical Assistant Professor at the Donald and Barbara Zucker School of Medicine, he offers expertise in various cancer types including Lymphoma, Leukemia, GI malignancies, Lung cancer, Breast cancer, and more. With a focus on patient care and ongoing research, Dr. Halaas provides comprehensive services to address oncological and hematological conditions. His practice is dedicated to delivering personalized treatment plans tailored to each individual's needs, ensuring optimal care and support throughout the patient's journey. Dr. Halaas, a recipient of multiple awards and recognitions for his excellence in the field, brings a wealth of experience and knowledge to his practice. Patients can expect compassionate care, cutting-edge treatments, and a commitment to improving outcomes in the fight against cancer and blood disorders. Generated from the website content