Tri-City Endocrinology and Metabolism delivers a broad range of services for hormone-related disorders and diabetes with a focus on excellent service.  Serving the North County since 1983, our goal is to deliver state-of-the-art treatment with an approach that is both practical and customized to your needs.  Dr. Chris K. Guerin and Dr. Derek D. Mafong offer the highest standard of endocrine and diabetes-related care.

Tri-City Endocrinology is currently welcoming new patients.  Please call our office to schedule an appointment.