Dr. Dennis A. Cullen is an internist affiliated with Sibley Memorial Hospital. He practices out of Cullen, Umosella, Cullen & Cullen in Bethesda, Md. and Oxon Hill, Md. Dr. Cullen earned his medical degree from Georgetown University School of Medicine. He completed a residency in internal medicine at Georgetown University Hospital. Dr. Cullen has been named a Top MD by Consumers’ Checkbook Magazine, as well as a Top Family/General Practitioner and a Top Internist by Washingtonian Magazine. Recent News Articles and Media Coverage The Brothers Cullen. Bethesda Magazine (January/February 2008). Dr. Cullen is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, Folate Deficiency, and Subacute Combined Degeneration.

Adey Berhanu is a Rheumatologist in Chevy Chase, Maryland. Dr. Berhanu is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Tenosynovitis, and Gout.

David Wolfe is a Rheumatologist in Chevy Chase, Maryland. Dr. Wolfe is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Psoriasis, and Psoriatic Arthritis. Dr. Wolfe is currently accepting new patients.

Angus Worthing is a Rheumatologist in Chevy Chase, Maryland. Dr. Worthing is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Raynaud Phenomenon, and Rheumatoid Arthritis (RA). Dr. Worthing is currently accepting new patients.

Alan Matsumoto is a Rheumatologist in Wheaton, Maryland. Dr. Matsumoto is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Rheumatoid Arthritis (RA), Osteoporosis, Postmenopausal Osteoporosis, and Juvenile Primary Osteoporosis. Dr. Matsumoto is currently accepting new patients.

Seema Goyal is a Rheumatologist in North Bethesda, Maryland. Dr. Goyal is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Raynaud Phenomenon, and Psoriatic Arthritis.

Dr. Anu Sharma is trained in adult and pediatric Rheumatology. Before beginning her residency training in Internal Medicine, Dr. Sharma lived in Bern, Switzerland and worked in a research capacity for the Maurice E. Mueller Center for Orthopedics, an affiliate of McGill University in Montreal, Canada. Dr. Sharma is an active member of the American College of Rheumatology. She sees adults and children (age 8 and older) with Rheumatologic conditions. For more information visit CenterForRheumaticDiseases.com . Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Raynaud Phenomenon, and Sjogren Syndrome.

Dr. El-Bogdadi is board certified in internal medicine and rheumatology and a Fellow of the American College of Rheumatology. He graduated from the University of California, Irvine with a B.S. degree in biological studies and received his medical degree from The George Washington University School of Medicine in Washington, DC. He completed his internal medicine training and his rheumatology fellowship at Emory University in Atlanta, Georgia, where he also served as an Instructor of Medicine.Dr. El-Bogdadi is board certified in internal medicine and rheumatology and a Fellow of the American College of Rheumatology. He graduated from the University of California, Irvine with a B.S. degree in biological studies and received his medical degree from The George Washington University School of Medicine in Washington, DC. He completed his internal medicine training and his rheumatology fellowship at Emory University in Atlanta, Georgia, where he also served as an Instructor of Medicine.Dr. El-Bogdadi loves to practice medicine by allowing patients to take an active role in their care decision making. He also likes to think “outside the box” of traditional medicine and therapies. He has a special focus on the role of environmental and dietary factors in eliciting and perpetuating autoimmune diseases. He has been recognized as a “Top Doctor” by the Washingtonian Magazine for several consecutive years, as well as in Arlington Magazine and Northern Virginia Magazine. Dr. Elbogdadi is rated as a Distinguished provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Psoriasis, and Mixed Connective Tissue Disease.

Rachel Kaiser practices in Chevy Chase, Maryland. Dr. Kaiser is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Hypermobile Joints, and Rhizomelic Pseudopolyarthritis.

Laura Robbins is a board-certified Physician Assistant (PA) originally from Minnesota where she completed her B.A. in Speech Pathology at the University of Minnesota. Laura graduated from PA school at Trevecca Nazarene University in Nashville, TN. After graduation, she and her husband sought out a warmer climate and moved to Tucson, AZ. While in Tucson, Laura worked for an internal medicine/family medicine practice and enjoyed developing long-term patient-provider relationships. She also enjoyed volunteering for the Community Food Bank of Tucson. During the pandemic’s peak, Laura volunteered with a COVID-19 vaccine clinic and COVID-19 testing clinics.In October 2021, she and her husband moved to Alexandria, VA, and she took on a nontraditional role as a PA at George Washington Medical Faculty Associates. In this role, she was able to work on clinical trials evaluating the use and safety of different medications for the treatment of COVID-19. During this time, she also worked on a mobile unit through an HIV Prevention Trials Network study. She and a small team helped reduce harm and prevent and manage various primary care conditions in underserved areas in Washington, DC.Laura works with Dr. David Wolfe seeing patients at the Chevy Chase location. She also services as a clinician at ARA’s Medical Cannabis Institute. Dr. Robbins is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Fibromyalgia, Osteoporosis, Postmenopausal Osteoporosis, and Rheumatoid Arthritis (RA).

Sabiha Khan is a Rheumatologist in Bethesda, Maryland. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Eosinophilic Fasciitis, Ankylosing Spondylitis, Axial Spondyloarthritis (AxSpA), and Rheumatoid Pneumoconiosis.

Grace Ahn is a Rheumatologist in Wheaton, Maryland. Dr. Ahn is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Raynaud Phenomenon, and Rheumatoid Arthritis (RA). Dr. Ahn is currently accepting new patients.

Robert Rosenberg is a Rheumatologist in Wheaton, Maryland. Dr. Rosenberg is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Melorheostosis, and Melorheostosis with Osteopoikilosis.

Christopher Collins is a Rheumatologist in Washington, Washington, D.c.. Dr. Collins is rated as an Experienced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Discoid Lupus Erythematosus (DLE), Systemic Lupus Erythematosus (SLE), Cutaneous Lupus Erythematosus (CLE), and Sarcoidosis.

Justin Peng is a Rheumatologist in Washington, Washington, D.c.. Dr. Peng is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Psoriasis, Psoriatic Arthritis, Rheumatoid Arthritis (RA), and Raynaud Phenomenon. Dr. Peng is currently accepting new patients.

Shari Diamond is a Rheumatologist in Washington, Washington, D.c.. Dr. Diamond is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Reactive Arthritis, and Psoriasis.

Dr. Marc Phillpotts earned his Bachelor of Science and medical degree from The University of the West Indies, Mona, Jamaica, W.I. He completed his Internship and Residency in Internal Medicine at Howard University Hospital in Washington, DC, and later pursued Rheumatology Fellowship training at George Washington University Hospital, Washington, DC. Following the completion of his fellowship, he became an Assistant Professor of Medicine in the Division of Rheumatology at George Washington University. In this position, he mentored medical students, residents, and rheumatology fellows, while also maintaining an active clinical practice that involved providing inpatient rheumatology consultations. Additionally, he served on the MD Program Admissions Committee and acted as a Peer Reviewer for the Musculoskeletal Block at The George Washington University School of Medical and Health Sciences. Dr. Phillpotts is Board Certified in both Internal Medicine and Rheumatology. He is a Fellow of the American College of Rheumatology (ACR) and serves as a current member of the ACR Workforce Solutions Committee. He is a member of the International Society of Clinical Densitometry (ISCD) and a Certified Clinical Densitometrist (CCD) by the ISCD. Dr. Phillpotts holds the Musculoskeletal Ultrasound Certification in Rheumatology (RhMSUS) from the ACR and received musculoskeletal ultrasound training from the Ultrasound School of North American Rheumatologists (USSONAR). Dr. Phillpotts is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Tenosynovitis, Rheumatoid Arthritis (RA), Fibromyalgia, and Gout.

Guada Respicio-Duque is a Rheumatologist in Rockville, Maryland. Dr. Respicio-Duque is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Rheumatoid Arthritis (RA), and Melorheostosis. Dr. Respicio-Duque is currently accepting new patients.

Dr. DiIorio serves as Co-Director of the Osteoporosis Assessment Center, a division of Arthritis and Rheumatism Associates, P.C. She is a Fellow of the American College of Rheumatology, a member of the American College of Physicians and a member of the Medical Advisory Board of the Lupus Foundation. Dr. DiIorio received her B.A. from New York University, New York, NY in 1983 where she was a member of Phi Beta Kappa and a Magnum Cum Laude graduate. She earned her Doctorate of Medicine at New York University School of Medicine where she was a member of Alpha Omega Alpha, a medical honor society. Her Internship and Residency were served at the Mount Sinai Medical Center, New York, NY, and her Fellowship training in Rheumatic Diseases was completed at Baylor College of Medicine, Houston, TX. She was Board Certified in rheumatology in 1994 and re-certification again completed in 2014.Dr. DiIorio was recognized as an outstanding specialist in Rheumatology in Washingtonian Magazine and Best Doctors in America. Accepting patients at our Rockville facility. The minimum age group accepted is 16 years. Dr. Diiorio is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Rheumatoid Arthritis (RA), and Psoriasis.

Evan Siegel is a Rheumatologist in Rockville, Maryland. Dr. Siegel is rated as an Advanced provider by MediFind in the treatment of Axial Spondyloarthritis (AxSpA). His top areas of expertise are Psoriatic Arthritis, Psoriasis, Postmenopausal Osteoporosis, and Osteoporosis. Dr. Siegel is currently accepting new patients.