Universal Assessors and Staffing

Stephen Johnstone, MD is a Orthopedics And Orthopedic Surgery provider with Mount Sinai Health System, treating patients in the Astoria area. Dr. Johnstone is committed to compassionate, coordinated care that supports patients throughout the diverse communities we serve.

From routine appointments to emergency services, it's important to get the care you need-when you need it. But we understand you may be delaying your health needs over concerns about safety. At Mount Sinai, our doctors, nurses, and staff members are working continuously to ensure your safety so that you don't have to put your health on hold. Mount Sinai Queens is dedicated to building a caring and supportive relationship with you and your child. We are committed to caring for your infants, children, teenagers, and young adults up to age 21. We manage the full spectrum of children’s health, from allergies and asthma to sleep, breastfeeding, and behavioral difficulties. We also care for children with special needs. We believe in a holistic, patient-centered approach for children of all ages.