Trenton R. Foster, M.D.

Trenton R. Foster, M.D., is an endocrine surgeon dedicated to caring for people with complex diseases of the endocrine system. His work centers on thoughtful surgical care that balances technical precision with respect for the human experience behind each diagnosis.

Areas of Expertise

Dr. Foster approaches endocrine surgery with a focus on individualized decision-making, minimally invasive techniques when appropriate, and long-term outcomes. His clinical focus includes:

• Thyroid disease: Comprehensive surgical management of thyroid conditions including thyroid nodules, hyperthyroidism, Graves disease, MEN 2, thyroid cancer, pediatric thyroid disorders, and complex multinodular goiter.
• Parathyroid disease: Surgical management of parathyroid conditions including primary, secondary, and tertiary hyperparathyroidism, familial or MEN1 or MEN2 associated primary hyperparathyroidism, parathyroid cancer, and reoperative parathyroidectomy, using standard and minimally invasive parathyroidectomy techniques.
• Diseases of the adrenal gland: Surgical management of adrenal conditions including Cushing syndrome, hypercortisolism, primary aldosteronism, aldosteronoma, pheochromocytoma, adrenal cancer, and pediatric adrenal disorders.
• Endocrine pancreas tumors: Surgical management for disorders of the endocrine pancreas including functional pancreatic neuroendocrine tumors, insulinoma, gastrinoma, and MEN1 associated tumors.
• Minimally invasive techniques: Use of minimally invasive, robotic, and laparoscopic techniques when appropriate to reduce complications and support faster recovery, while maintaining excellent outcomes.

Research and Education

In addition to his clinical work, Dr. Foster remains actively engaged in research aimed at improving surgical techniques and outcomes for individuals with endocrine disease. His academic involvement reflects a commitment to continual learning, collaboration, and progress in the field of endocrine surgery. As Program Director for the Comprehensive Endocrine Surgery Fellowship, he plays an important role in educating and mentoring fellows and helps to shape thoughtful, skilled surgeons who carry forward a tradition of compassionate, high-quality care.