William Wilson Mullins, M.D. Internal Medicine - Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 6001 Montrose Rd, Suite 702, North Bethesda, MD 20852 Phone: 301-230-5888 Fax: 301-230-2488
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.