Chen, Zijian, M.D.
Endocrinology

Mount Sinai Hospital (Manhattan)

10 Union Sq East
New York NY 10003
Phone: 212-241-3422

Graves Disease, Hashimoto's Disease, Hyperparathyroidism, Hyperthyroidism, Hypoglycemia, Hypoparathyroidism, Osteoporosis, Sex Hormone Disorder, Type 1 Diabetes, Type 2 Diabetes.