Dr. Matthew J. Haag

Alexander Frank is a primary care provider, practicing in Family Medicine in Oklahoma City, Oklahoma. Dr. Frank is highly rated in 63 conditions, according to our data. His clinical expertise encompasses Dementia, Pseudobulbar Affect, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D). Dr. Frank is currently accepting new patients.

Brendon McCollom, DO, family medicine, provides compassionate primary care for children and adults. Dr. McCollom earned his bachelor's in biology from Southwestern Oklahoma State University in Weatherford, Okla. before completing medical school at the Kansas City University's College of Osteopathic Medicine. Dr. McCollom served in the Oklahoma Air National Guard in the 137th Special Operations Wing in Oklahoma City for eight years. He finished a family medicine residency and internship at SSM Health St. Anthony Hospital in Oklahoma City and served as Chief Resident during his program. Board certified in family medicine, Dr. McCollom has provided care to Oklahomans for 17 years. He has served as the lead team physician for multiple sports organizations, including the Oklahoma City Energy professional soccer club, Yukon Public Schools, USA Oklahoma Wrestling and the Oklahoma Wrestling Academy. Dr. McCollom has received multiple awards for his research. Dr. Mccollom is highly rated in 10 conditions, according to our data. His clinical expertise encompasses Donohue Syndrome, Processing Deficient Progeroid Laminopathies (PDPL), Werner Syndrome, and Progeria. Dr. Mccollom is currently accepting new patients.

Stephen Barr is a primary care provider, practicing in Family Medicine in Oklahoma City, Oklahoma. Dr. Barr is highly rated in 8 conditions, according to our data. His clinical expertise encompasses Stasis Dermatitis and Ulcers, Peptic Ulcer, Venous Insufficiency, and Necrosis. Dr. Barr is currently accepting new patients.