Dr. Louisa S. Ziglar

Dr. Berhanu was born and raised in Denver, Colorado. She attended Stanford University where she earned a B.A. degree in human biology. She earned her medical degree from the University of Illinois School of Medicine and completed her residency in internal medicine at Loyola University in Chicago. She completed her fellowship in rheumatology at New York University’s Langone Medical Center where she served as chief fellow in her final year. Following her fellowship, Dr. Berhanu joined the medical faculty at George Washington University as Assistant Professor of Rheumatology where she had an active clinical practice and trained new physicians.Dr. Berhanu has a clinical interest in musculoskeletal ultrasound for which she received specialized training from USSONAR and obtained RhMSUS certification from the American College of Rheumatology. She applies her expertise with musculoskeletal ultrasound to her clinical interest in gout and has authored or co-authored several articles on the therapeutic management of gout. In addition to her research interests, Dr. Berhanu has long been dedicated to community service, both locally and abroad. She served as the 2018 Arthritis Foundation “Walk to Cure Arthritis” Medical Honoree and is particularly proud to have worked with the rheumatology program at the teaching hospital in Addis Ababa, Ethiopia. Dr. Berhanu is rated as an Advanced provider by MediFind in the treatment of Ehlers-Danlos Syndrome (EDS). Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Tenosynovitis, and Gout.

Dr. Louie earned his B.A. degree in Molecular and Cell Biology at the University of California at Berkeley. He graduated medical school from Drexel University (formerly known as MCP Hahnemann University) in Philadelphia and completed his internship and residency in internal medicine at California Pacific Medical Center in San Francisco. He subsequently completed a fellowship in rheumatology at the National Institutes of Health in Bethesda. Additional training in clinical investigation at Duke University School of Medicine earned him a master's in health sciences degree.Dr. Louie served as Assistant Professor of Medicine in the division of rheumatology at Johns Hopkins University School of Medicine for 6 years. There, he relished his role as a preceptor for trainees in the classroom, ambulatory and inpatient settings. Dr. Louie has published numerous articles in peer reviewed medical journals and has presented at local and national scientific meetings. He has also served as principal investigator and co-investigator in various clinical trials of new arthritis therapies. After leaving Hopkins, Dr. Louie worked in a private practice before joining ARA.Dr. Louie treats all manner of rheumatological conditions, but has particular interest and expertise in inflammatory arthritis, including axial spondyloarthritis, psoriatic arthritis, and rheumatoid arthritis. Dr. Louie is an active member of SPARTAN, a professional organization of North American experts in spondyloarthritis. Dr. Louie is rated as a Distinguished provider by MediFind in the treatment of Ehlers-Danlos Syndrome (EDS). His top areas of expertise are Rheumatoid Arthritis (RA), Ankylosing Spondylitis, Osteoporosis, and Psoriasis.

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 Ehlers-Danlos Syndrome (EDS). His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Psoriasis, and Mixed Connective Tissue Disease.