Dr. Larry A. Severa

Cynthia Brewer, DO, is a board-certified family medicine physician in Billings, MT, who enjoys caring for patients of all ages, from pediatrics to geriatrics. She completed a fellowship in women�s health and is skilled in a variety of office-based procedures. Her clinical interests include pediatrics and women�s health.Dr. Brewer believes that medicine is a service-oriented profession and strives to care for every patient as if they were family. She feels privileged to support patients through all stages of life�whether that means addressing health concerns, offering a listening ear, or helping them reach life-changing goals. Her practice philosophy centers on active listening, thoughtful guidance, and involving patients in their own healthcare decisions.Outside of work, Dr. Brewer enjoys playing the cello, gardening, hiking, and spending time with her family. Dr. Brewer is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Hypothyroidism, Obesity in Children, Shingles, and Congenital Lipoid Adrenal Hyperplasia.

Heidi Duncan is a primary care provider, practicing in Family Medicine in Billings, Montana. Dr. Duncan is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Hypothyroidism, Obesity in Children, High Cholesterol, and Melorheostosis. Dr. Duncan is currently accepting new patients.

Shelly Castles is a primary care provider, practicing in Family Medicine in Billings, Montana. Dr. Castles is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Seasonal Affective Disorder (SAD), Hypothyroidism, Melorheostosis, and Melorheostosis with Osteopoikilosis. Dr. Castles is currently accepting new patients.