Dr. Sophia S Chang, M.D. Internal Medicine - Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 516 W Margaret St, Ste. #6, Pasco, WA 99301 Phone: 509-547-6086 Fax: 509-547-0649
Rheumatology: An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.