Jennifer Castaldi, NP

Mark Brauning, MD is a board-certified physician, specializing in Internal medicine. With an office conveniently located in Yorktown Heights, NY, Dr. Brauning 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.

Optum can help identify the cause of your symptoms and provide diagnosis and treatment to help you live your healthiest life. Our board-certified gastroenterologists in Yorktown Heights, NY specialize in treating a range of conditions. These health problems include Barrett's esophagus, diverticulitis, colitis, pancreatic disorders and much more. To help pinpoint specific issues, our facilities provide a range of diagnostic testing, including Bravo endoscopy, Capsule endoscopy, colonoscopy, and genetic testing. Optum accepts most major health plans.

Yafit Partouche, MD is a board-certified physician, specializing in Obstetrics and gynecology. With an office conveniently located in Yorktown Heights, NY, Dr. Partouche specializes in obstetrics (pregnancy and childbirth), gynecological care, menopausal care, preventative health and healthy living to address the issues women face throughout their lifetime. Optum is dedicated to delivering the best possible experience for every patient. This includes providing comprehensive obstetrical and gynecological care, routine annual visits, breastfeeding support, birth control options, comprehensive menopausal functional and anti-aging preferences, and same-day appointments for urgent care needs whenever possible.