Dr. James D Singleton, MD Internal Medicine - Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 206 W County Line Road, Suite 310, Highlands Ranch, CO 80129 Phone: 303-788-8355 Fax: 303-788-4448
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.