Dr. Martin Greenfield MD

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Get to know Endocrinologist Dr. Martin Greenfield, who serves the New Hyde Park area at his private practice and several local hospitals. Dr. Greenfield earned his medical degree at the State University of New York Downstate Medical Center College of Medicine. He continued his studies with an internship at the North Shore-Long Island Jewish Health System and fellowships from Harvard Medical School and Peter Bent Brigham Hospital. Dr. Greenfield has been practicing endocrinology for 30 years and is board certified in both Internal Medicine, and Endocrinology. His specialized area of expertise places a strong emphasis on those patients who suffer from diabetes–both type 1 and type 2. Currently, he serves on the governing council of the New York State Medical Society as well as on the legislative committee of the American College of Endocrinology. Dr. Greenfield is an Attending Physician at both North Shore University Hospital and Long Island Jewish Medical Center, where he is a member of the Medical Board. To stay current in his field, Dr. Greenfield is a Fellow of the American College of Physicians and the American College of Endocrinology. He is also very active in local medical affairs, having been the President of the Nassau County Medical Society, as well as of the Nassau Academy of Medicine. Dr. Greenfield has won many awards for his medical expertise, including Newsday’s Top Doctors on Long Island. Endocrinology is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions known as hormones. It is also concerned with the integration of developmental events proliferation, growth, and differentiation, and the psychological or behavioral activities of metabolism, growth and development, tissue function, sleep, digestion, respiration, excretion, mood, stress, lactation, movement, reproduction, and sensory perception caused by hormones. Specializations include behavioral endocrinology and comparative endocrinology. The endocrine system consists of several glands, all in different parts of the body, that secrete hormones directly into the blood rather than into a duct system. Hormones have many different functions and modes of action; one hormone may have several effects on different target organs, and, conversely, one target organ may be affected by more than one hormone. Dr. Greenfield has furthered the field of endocrinology through his research efforts. Additionally, he serves patients at several locations throughout the region, which allows him to reach a wide range of patients for a variety of services and treatments.

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