Omar Najera is an Endocrinologist and a General Surgeon in Schertz, Texas. Dr. Najera has been practicing medicine for over 11 years. His top areas of expertise are Generalized Resistance to Thyroid Hormone, Familial Hyperthyroidism due to Mutations in TSH Receptor, Thyroid Hormone Plasma Membrane Transport Defect, and Vitamin B12 Deficiency. Dr. Najera is currently accepting new patients.