Dr. Zwiener is board-certified in both internal medicine and endocrinology. She completed medical school at the University of Texas Houston, and went on to finish both internal medicine residency and endocrinology fellowship training also at UT Houston. Her undergraduate work at Rice University earned her a BS in Biochemistry and Cell Biology. She recognizes that each patient is unique, and deserving of care tailored specifically to their needs. In order to share this vision with her patients, she opened Braeswood Endocrinology, which specializes in the unique medical needs of transgender and gender diverse patients.