Dr. Harold Zachary Greenspan, MD

Dr. Harold Greenspan is a board-certified internal medicine physician who has dedicated over four decades to patient care. He earned his medical degree from The Robert Larner MD College of Medicine at the University of Vermont and completed his residency at Graduate Hospital Tenet Health. With 41 years of clinical experience, Dr. Greenspan brings extensive knowledge to his practice of internal medicine. He is multilingual, speaking Chinese, English, French, and Spanish to better serve diverse patient populations.

Dr. Greenspan practices at Harvard Vanguard Medical Associates in Chestnut Hill, Massachusetts. His expertise includes managing hypertension and treating hypertensive emergencies, conditions that affect millions of Americans. He also performs specialized procedures such as anti-VEGF treatment and retinal imaging using advanced optical coherence tomography. Patients consistently rate their experience with Dr. Greenspan highly, giving him an average rating of 5.0.