Dr. Roselyn Mateo Dinsay, MD is a health care provider primarily located in Glendale, CA, with other offices in Chino, CA and Corona, CA (and 8 other locations). She has 31 years of experience. Her specialties include Obstetrics & Gynecology, Reproductive Endocrinology, Endocrinology, Diabetes & Metabolism. Dr. Dinsay is affiliated with St Joseph Hospital. She speaks Spanish, Chinese and English.