FAYETTEVILLE — Christopher Sonntag, MD, recently joined Washington Regional Rheumatology Clinic, where he provides diagnosis and treatment of conditions and diseases affecting the joints, muscles and bones.

Sonntag grew up in Rogers and earned his medical degree from the University of Arkansas for Medical Sciences. He completed an internal medicine residency at UAMS and a fellowship in rheumatology at Roger Williams Medical Center/Brown University in Providence, Rhode Island.