Alan K Matsumoto, MD

Alan K Matsumoto, MD


Dr Matsumoto is partner in Arthritis and Rheumatism Associates, one of the largest single specialty rheumatology practices in the country with 15 full time physicians and 4 offices in Washington DC and Maryland.  At ARA, he serves as a member of the Executive Committee and is the Director of Laboratory Services and the Director of Information Technology for the practice, directing ARA’s implementation of its electronic health record.

Dr Matsumoto completed fellowship at Johns Hopkins University Division of Rheumatology, spending 5 years in the laboratory of Dr Douglas Fearon.  Dr Matsumoto then joined the faculty at Johns Hopkins and moved to ARA after nine years.  He remains on the part time clinical faculty.  While at Hopkins, in addition to seeing patients, he directed the rheumatology teaching program at the Johns Hopkins Bayview Medical Center and conducted clinical trials of novel therapeutic agents.  He is past president of the DC Rheumatism Society and continues on the planning committee for the Society.  He is a member of the Communications and Marketing Committee of the American College of Rheumatology.

Dr Matsumoto’s research interest is in new therapeutics for rheumatoid arthritis.  ARA has a large and active clinical research program and he is an investigator in numerous clinical trials. Dr Matsumoto’s experience in both academic and private practice medicine brings a unique perspective to clinical issues facing rheumatologists.


  1. Matsumoto AK. 2004. Arthritis.  In RG Miller, BH Ashar, SD Sisson (eds): The Johns Hopkins Internal Medicine Board Review. Mosby, Philadelphia, PA.
  2. Matsumoto AK, Cavanaugh PF. 2004 Etoricoxib. Drugs of Today 40(5):395-414.
  3. Matsumoto AK, Babul N, Ahdieh H. Oxymorphone extended-release tablets relieve moderate to severe pain and improve physical function in osteoarthritis: results of a randomized, double-blind, placebo- and active-controlled phase III trial. Pain Med 2005. 6(5) 357-66.
  4. Matsumoto AK. 2006 Pharmachologic Interventions: Biologic Therapy In SJ Bartlett, CO Bingham, MJ Maricic et al (eds): Clinical Care in the Rheumatic Diseases 3rd Edition.  Association of Rheumatology Health Professionals, Atlanta, GA.
  5. Matsumoto AK. Oral extended-release oxymorphone: a new choice for chronic pain relief. Expert Opin Pharmacother. 2007 Jul;8(10):1515-27. Review.
  6. Baraf HS, Matsumoto AK, Maroli AN, et al. Resolution of gouty tophi after twelve weeks of peloticase treatment. Arthritis Rheum 2008 58 (11): 3632-4.


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