COVID-19 walk-in testing is available at NYC Health + Hospitals/Gotham Health, Belvis. No appointment is necessary. Medical professionals are on-site to provide guidance and referrals when necessary. We provide the full spectrum of care for children and adults. At Gotham Health, Belvis we help you to improve your health and well-being and prevent, treat and manage ongoing conditions such as arthritis, high cholesterol, heart disease, diabetes, and chest and lung disorders.