Our Providers

Our providers are technically proficient in diagnosing and absolutely compassionate in treating the broad range of rheumatological and musculoskeletal disorders. Each doctor’s extensive individual training, coupled with the collaboration and consultation with their ARA colleagues, contributes to a unique environment that assures patients receive the highest quality and most comprehensive care.

Click on any of the thumbnail images below to view each provider’s information


Herbert S.B. Baraf, MD, FACP, MACR Wheaton, MD	Evan L. Siegel, MD, FACP, FACR Rockville MD	Emma Dilorio, MD, FACR Rockville, MD

David G. Borenstein, MD, MACP, MACR Washington, DC	Alan K. Matsumoto, MD, FACP, FACR Wheaton, MD	David P. Wolfe, MD, FACR Chevy Chase, MD

Paul J. DeMarco, MD, FACP, FACR, RhMSUS Wheaton, MD Frederick, MD	Shari B. Diamond, MD, FACP, FACR Washington, DC	Ashley D. Beall, MD, FACR Rockville, MD

Angus B. Worthing, MD, FACP, FACR Washington, DC Chevy Chase, MD	Guada Respicio Duque, MD, MSc, CCD, Dipl. ABOM, FACP, FACR Rockville, MD	Justin Peng, MD, FACP, FACR, RhMSUS Washington, DC Fairfax, VA

Rachel Kaiser, MD, MPH, FACP, FACR, CCD Chevy Chase, MD	Nicole Saddic Thomas, MD, FACR Fairfax, VA	Daniel El-Bogdadi, MD, FACR Rockville, MD Fairfax, VA

Grace Ahn, MD, FACR, RhMSUS Wheaton, MD Fairfax, VA	Jeffrey A. Potter, MD, FACR Wheaton, MD Olney, MD	Grant H. Louie, MD, MHS, FACR Frederick, MD

Adey A. Berhanu, MD, FACR, RhMSUS Chevy Chase, MD Washington, DC	Louisa S. Ziglar MD, FACR Rockville, MD Frederick, MD	Katherine A. Maher, MD, FACR Frederick, MD Rockville, MD

Nitasha Kumar, MD, FACR, CCD Wheaton, MD Olney, MD	Rami R. ElTaraboulsi, MD,FACR Olney, MD Rockville, MD	Neil I. Stahl, MD, FACR Fairfax, VA

Bich-Hanh (Jenny) Le, PA-C Rockville, MD	Alisha Zaveri, MS, PA-C Fairfax, VA Rockville, MD	Patrick H. Farley, MSHS, PA-C Wheaton, MD

Blake Leibowitz, PA-C Rockville, MD	Charlie Oshinsky, MD Joining Summer 2022	Viktoria Elkis, MD Joining Summer 2022

Sonia Silinsky Krupnikova, MD Joining Summer 2022