Chris K. Guerin, M.D. and Derek D.
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
Tri-City Endocrinology is currently
welcoming new patients. Please call our
office to schedule an appointment.