Richard Sosulski, MD is a board-certified physician, specializing in . With an office conveniently located in Smithtown, NY, Dr. Sosulski provides expert care for children from birth to young adulthood. At Optum, our pediatricians and pediatric specialists offer a wide range of care to help your kids live their healthiest lives. In addition to annual well child visits, we care for ear infections, asthma, strep throat and more. Our team will work with specialists to make sure children get any extra care they might need. Optum accepts most major health plans.