Dr. Mary-Jane Onajite Unueroh Williams, MD

Dr. Mary-Jane Williams is a gastroenterologist and internal medicine physician with 19 years of clinical experience. She earned her medical degree from the University of Ibadan College of Medicine, building a strong foundation in comprehensive patient care. Her dual specialization allows her to address both complex digestive disorders and general internal medicine concerns with extensive expertise.

Dr. Williams practices at multiple respected medical centers, including Lovelace Medical Center, Banner Fort Collins Medical Center, and Mayo Clinic Hospital in Phoenix, Arizona. She treats patients with colon polyps, hemorrhoids, and gastritis using evidence-based approaches. Her procedural expertise includes performing colonoscopies and lower GI endoscopy procedures, often utilizing sedation techniques to ensure patient comfort during these important diagnostic and therapeutic interventions.