Family Medicine



Jeannie Evans, DO

Jeannie Evans, D.O., joined the Active Medical Staff at Summit Healthcare in 2017. Jeannie initially wanted to become a physician when she was in middle school. However, during the undergrad portion of her education, she changed courses and went into education. After teaching high school for 8 years, she realized that… Read More »



Brett Mason, P.A.

~Family Medicine~     Brett Mason joined the Active Medical Staff at Summit Healthcare in 2016 after obtaining a Masters in Physician Assistant Studies at Bethel University in Paris, Texas. Brett knew that he wanted to work in the medical field when his brother was involved in a 4-wheeler accident and… Read More »


Ellen Huff, FNP-C

~Family Medicine~ Ellen Huff, FNP-C is a member of the Active Medical Staff at Summit Healthcare.  Ellen was the oldest daughter of a large family; she knew at a young age that she wanted to take care of people. After being a nurse for years, she decided she wanted to… Read More »


Sonnier Sibley, PA-C

~Family Medicine~ Sonnier Sibley is a member of Active Medical Staff at Summit Healthcare. Sonnier first knew that she wanted to be in the medical field as a provider when she was in the fourth grade and her grandmother would take her weekly to visit my greatgrandmother at a home… Read More »


Elizabeth Bierer, MD

~Family Medicine~ Dr. Bierer knew in her younger years that she wanted to become a doctor. She loves every aspect about Family Medicine, she enjoys well child exams, treating lumps and bumps and finds being there for her patients at end of life care reminds her of why she chose… Read More »


Charles Robertson, MD

~Family Medicine~ Dr. Robertson attended Medical School at the University of Illinois College of Medicine in Chicago, Illinois. He completed his Internship at Cook County Hospital in Chicago and his Residency at the University of Arizona College of Medicine in Tucson, Arizona. He is Board Certified by the American Board… Read More »