Jonathan D. Leffert, MD, FACP, FACE, ECNU | oneGRAVESvoice

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Healthcare Professionals

Jonathan D. Leffert, MD, FACP, FACE, ECNU

Healthcare Professional
North Texas Endocrine Center
Carrell Clinic Center, Tower II
9301 North Central Expressway,
Suite 570
Dallas, Texas, United States

Jonathan D. Leffert is an Endocrinologist and Managing Partner at North Texas Endocrine Center. He is a graduate of Brown University and the University of Minnesota Medical School. He completed his internal medicine residency and endocrinology fellowship at Parkland Memorial Hospital and University of Texas (UT) Southwestern Medical Center at Dallas. 

Dr. Leffert’s practice encompasses all of the major clinical problems in endocrinology. He is particularly interested in thyroid disease and has an expertise in thyroid nodular disease, parathyroid imaging, and lymph node mapping in patients with thyroid cancer.

Dr. Leffert has extensive experience in performing ultrasound guided fine needle aspiration biopsy of the thyroid, which is the specific diagnostic test used to differentiate benign from malignant thyroid nodules. Dr. Leffert also has years of experience in complex diabetes management including insulin pumps and continuous glucose monitoring in type 1 diabetes and in managing the care of women with gestational diabetes. Dr. Leffert currently serves as President of the American Association of Clinical Endocrinologists (AACE), which is the largest association of clinical endocrinologists in the world and represents more than 7,500 endocrinologists in the United States and abroad.


Representative Publications:

Proceedings From the American Association of Clinical Endocrinologists and American College of Endocrinology Consensus Conference on Glucose Monitoring

Anatabine Supplementation Decreases Thyroglobulin Antibodies in Patients With Chronic Lymphocytic Autoimmune (Hashimoto’s) Thyroiditis: A Randomized Controlled Clinical Trial

Coordinate Regulation of Amylin and Insulin Expression in Response to Hypoglycemia and Fasting