Dartmouth Endocrinology, Diabetes and Metabolism, LLC - Home Dr. Gregory Bombassei is Board-Certified in Endocrinology. He has been in practice since 1992. He is a Fellow of the American College of Physicians and a Fellow of the American College of Endocrinology. Dr. Bombassei is affiliated with Hartford Hospital. Dartmouthendocrinology.com~Site InfoWhoisTrace RouteRBL Check