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  • Manager@carolinaendocrine.com

Meet Our Providers

Michael J Thomas, MD PHD

Dr. Michael Thomas was born in Charlottesville, VA, and grew up in Morgantown, WV. He attended

Duke University for his undergraduate studies and graduated from the School of Medicine at West Virginia University in Morgantown, with an M.D. and Ph.D. in Pharmacology & Toxicology.

He completed all of his post-graduate medical training at Barnes Hospital – Washington University in St. Louis, to include his internship, residency, and fellowship in Endocrinology. He was previously a faculty member in Endocrinology/Medicine at Washington University, the University of Iowa, and the University of North Carolina at Chapel Hill.

Dr. Thomas established Carolina Endocrine, P.A. in the summer of 2005. He is board-certified in Internal Medicine and Endocrinology, and is licensed to perform endocrine nuclear medicine procedures and therapies at Carolina Endocrine, P.A. He is immediate past president of the Carolinas Society of Endocrinologists and past president of the Wake County Medical Society.

Erin Wetherill, PA-C

Erin Wetherill received her Master’s degree from South University’s Physician Assistant Program in Savannah, Georgia.

She graduated Summa Cum Laude from North Carolina State University with a B.S. in Human Biology and minor in Business Administration. While at NCSU she was selected for the College of Agriculture and Life Sciences Honors Program and the University Scholars Program. As part of the Honors Program, Erin was involved with a team that presented their research findings on childhood obesity at the national conference, Experimental Biology.

Prior to attending PA school, Erin worked at Duke University Hospital as a nurse assistant. She is a native of Raleigh, North Carolina.

Claire Behringer, NP-C

Claire Behringer received her Master’s degree from Duke University’s Adult Nurse Practitioner program in Durham, NC. She graduated from the University of North Carolina at Chapel Hill with a B.S. in Nursing. Prior to attending NP school, Claire worked as a Registered Nurse in the Emergency Department for several years.

Following her graduation from the Duke NP program, Claire spent 5 years working at Duke Endocrine Surgery with a focus on tumors of the thyroid, parathyroid, and adrenal glands. Her areas of clinical interest include autoimmune thyroid disease, thyroid nodules, and adrenal disorders. Her approach to patient care is holistic, individualized, and evidence based.

Outside of the clinic Claire enjoys group fitness, reading, figure skating, and traveling with her husband. She is a native of Raleigh, NC.