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Arthritis and Rheumatism Associates

Locations in Wheaton, Rockville, Chevy Chase, Olney and Frederick, MD; Washington, D.C.
Central Call Center:

For more than 40 years, the physicians and staff at Arthritis and Rheumatism Associates (ARA) have been dedicated to the diagnosis and treatment of people with autoimmune diseases and disorders of the joints, muscles, tendons and other connective tissues. Today, ARA is the largest rheumatology practice in the area, with offices in Wheaton, Rockville, Chevy Chase, Olney, Frederick and Washington, D.C. Comprehensive services include a full-service laboratory, digital x-rays, physical therapy and bone density testing for osteoporosis. Each office also features an Arise Infusion Therapy Center, administering the most advanced drugs for a wide variety of conditions including arthritis, psoriasis, osteoporosis, inflammatory bowel disease, asthma and neurologic disorders.

“ARA offers patients access to the latest, most innovative therapies for treatment of musculoskeletal, rheumatologic and other autoimmune diseases,” said Emma DiIorio, MD. “Our commitment to improving the health of the communities we serve is exemplified by our very active research program.” The Center for Rheumatology and Bone Research has participated in more than 400 clinical trials since 1982. “Through these trials, we are working on treatments for rheumatoid arthritis, osteoarthritis, osteoporosis, Sjögren’s syndrome, fibromyalgia, tendonitis and ankylosing spondylitis, among other conditions,” said the center’s medical director, Paul J. DeMarco, MD.

ARA’s team approach to patient care means that doctors, nurses and physical therapists discuss each patient’s treatment and carefully plan the best combination of approaches to achieve maximum relief of symptoms and improvement in functionality, in accordance with each patient’s needs. Patients are encouraged to express concerns, ask questions and stay informed about their care because people who understand their condition and participate in treatment decisions often have better outcomes.


Nationally recognized physicians as “Thought Leaders”
Washingtonian Magazine, “Best Doctors”
Consumers’ Checkbook, “Top Doc”
US News and World Report, “Top Doctor”