Dr. Gary I. Portnay graduated from the Rosalind Franklin University/ Chicago Medical School in 1968. He works in Billerica, MA and specializes in Endocrinology, Diabetes & Metabolism and Internal Medicine. Dr. Portnay is affiliated with Winchester Hospital. He speaks English and Russian.
Years in Practice: 46 Years
Languages Spoken: English, Russian
Medical School: Rosalind Franklin University/ Chicago Medical School
Graduation Date: 1968
Hospital Affiliations: Winchester Hospital
Specialties: Endocrinology, Diabetes & Metabolism, Internal Medicine