Dr. John A. Ostuni graduated from the SUNY Downstate Medical Center College of Medicine in 1971. He works in Freeport, NY and specializes in Internal Medicine and Endocrinology, Diabetes & Metabolism. Dr. Ostuni is affiliated with South Nassau Communities Hospital. He speaks English and Spanish.
Years in Practice: 43 Years
Languages Spoken: English, Spanish
Medical School: SUNY Downstate Medical Center College of Medicine
Graduation Date: 1971
Hospital Affiliations: South Nassau Communities Hospital
Specialties: Internal Medicine, Endocrinology, Diabetes & Metabolism