John Mihaltses, DO

NYU Langone endocrinologist Dr. Khalilah Knight treats people with diabetes mellitus, thyroid disorders, and calcium disorders.

Meet doctor Sandra Castelli, D.O., Internist, and learn about conditions treated, training, and research at NYU Langone.

Jeffrey Ezra Haller, MD is a board-certified physician, specializing in Nephrology. With an office conveniently located in New Hyde Park, NY, Dr. Haller can help with your everyday health needs, from regular checkups to caring for you when you’re injured or ill. At Optum, primary care physicians can oversee all your health care needs. We care for short-term health problems like the common cold or a sprained ankle. Or, long-term health problems, such as allergies, high blood pressure, heart disease and diabetes. Our doctors will work with specialists to make sure you get any extra care you might need. Optum accepts most major health plans.