The 20 Best Granulomatosis with Polyangiitis Doctors Near Me in Frederick, MD
Find the Top Granulomatosis with Polyangiitis Experts and Specialists
Johns Hopkins Bayview Medical Center
Dr. Philip Seo is an Associate Professor in the Division of Rheumatology. A graduate of Harvard College and the College of Physicians and Surgeons at Columbia University, Dr. Seo completed his Internal Medicine training as a member of the Osler Medical Service at the Johns Hopkins Hospital. Since then, he has worked at Johns Hopkins in several capacities, including as a hospitalist at Johns Hopkins Bayview Medical Center, and as an Assistant Chief of Service of the Department of Medicine at the Johns Hopkins Hospital, before joining the Division of Rheumatology. Dr. Seo is the Director of the Johns Hopkins Vasculitis Center and Director of the Johns Hopkins Rheumatology Fellowship Program. His clinical interests lie in the assessment and treatment of patients with systemic vasculitis, in particular, the ANCA-associated vasculitides, which include granulomatosis with polyangiitis, microscopic polyangiitis, and eosinophilic granulomatosis with polyangiitis. Dr. Seo is rated as an Elite provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Granulomatosis with Polyangiitis, Vasculitis, Microscopic Polyangiitis, Takayasu Arteritis, and Tissue Biopsy. Dr. Seo is board certified in American Board Of Internal Medicine.
Johns Hopkins Bayview Medical Center
Dr. Hellmann is one of Johns Hopkins best physicians, teachers, and program builders. He holds the Aliki Perroti endowed Chair, recognizing his leadership in education. Dr. Hellmann’s clinical care and research focus is on vasculitis. Over the last four years, Dr. Hellmann has evaluated over 200 patients with systemic vasculitis. Areas of interest have included granulomatosis with polyangiitis, temporal arteritis, Takayasu’s arteritis, and polyarteritis nodosa. Dr. Hellmann is director of the Johns Hopkins Center for Innovative Medicine which promotes patient-centered care through the creative collaboration of research, teaching, and patient care programs. Dr. Hellmann is rated as an Advanced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Behcet Disease, Necrotizing Vasculitis, Takayasu Arteritis, and Juvenile Temporal Arteritis. Dr. Hellmann is board certified in American Board Of Internal Medicine.
Johns Hopkins Bayview Medical Center
Dr. Alan Baer graduated from the Johns Hopkins University School of Medicine in 1978 and completed his post-graduate medical training in Internal Medicine and Rheumatology at the Johns Hopkins and Vanderbilt University Hospitals. He was a faculty member at the University at Buffalo, State University of New York, from 1986 to 2007, and served there as Chief of the Section of Rheumatology and Fellowship Program Director. He joined the faculty at Johns Hopkins in 2007 and is currently Professor of Medicine and Director of the Jerome L. Greene Sjogren's Syndrome Center. Since 2015, he has been an Investigator in the Sjogren's Syndrome Clinic at the National Institutes of Health. He was Chief of Rheumatology and Clinical Director of the Johns Hopkins University Rheumatology Practice at the Good Samaritan Hospital in Baltimore, Maryland from 2007 to 2014. Dr. Baer is currently engaged in a number of research studies in the area of Sjogren's syndrome, both at Johns Hopkins and in the NIH Sjogren's Syndrome Clinic. He was the principal investigator of the NIH subcontract to Johns Hopkins to conduct the Sjogren's International Registry (SICCA) and enrolled 300 patients into the registry. The SICCA registry has been a rich source of clinical data and biospecimens for research that Dr. Baer is conducting with colleagues at both Hopkins and the University of California-San Francisco. He is conducting a longitudinal observational study of patients with Sjogren's syndrome. Dr. Baer is rated as an Advanced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Sjogren Syndrome, Rheumatoid Arthritis (RA), Arthritis, and Interstitial Keratitis. Dr. Baer is board certified in American Board Of Internal Medicine.
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Paneez Khoury is a primary care provider, practicing in Internal Medicine in Bethesda, Maryland. Dr. Khoury is rated as a Distinguished provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Hypereosinophilic Syndrome, Granulomatosis with Polyangiitis, Esophagitis, Eosinophilic Esophagitis, and Tissue Biopsy.
Rheumatology Associates Of Baltimore LLC
Howard Hauptman is a Rheumatologist practicing medicine in Baltimore, Maryland. He has been practicing medicine for over 44 years. Dr. Hauptman is rated as an Advanced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, Sjogren Syndrome, and Polymyalgia Rheumatica.
Washington Nephrology Associates
Dr. Jeremy A. Marcus is a nephrologist affiliated with Sibley Memorial Hospital, Georgetown University Hospital, Washington Hospital Center and George Washington University Hospital, where he serves as an assistant professor of medicine for the George Washington University School of Medicine. He practices out of Washington Nephrology Associates in Washington, D.C. Dr. Marcus earned his medical degree from the University of Rochester School of Medicine and Dentistry. He completed an internship and residency in internal medicine at Beth Israel Deaconess Medical Center, where he also served as chief resident and clinical instructor of medicine. Dr. Marcus completed a fellowship in nephrology at Tufts-New England Medical Center. Dr. Marcus is a member of the American College of Physicians. Dr. Marcus is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Polycystic Kidney Disease. Dr. Marcus is board certified in American Board Of Internal Medicine.
Johns Hopkins Bayview Medical Center
Dr. Christopher A. Mecoli is an Associate Professor of Medicine at the Johns Hopkins University School of Medicine. His area of clinical expertise is rheumatology. A physician-scientist, Dr. Mecoli serves on the faculty of Johns Hopkins Myositis Center and Johns Hopkins Scleroderma Center. He earned his M.D. from Rutgers New Jersey Medical School. He completed an internal medicine residency at the Hospital of the University of Pennsylvania and a rheumatology fellowship at Johns Hopkins. He also holds an M.H.S. in clinical investigation from the Johns Hopkins Bloomberg School of Public Health. Dr. Mecoli is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Dermatomyositis, Myositis, Polymyositis, and Scleroderma.
Johns Hopkins Outpatient Center
Michelle Petri, M.D. is a Professor of Medicine at the Johns Hopkins University School of Medicine. She attended medical school at Harvard University and fulfilled her internal medicine residency at the Massachusetts General Hospital. In addition, she completed two fellowship programs at the University of California, San Francisco in allergy and immunology and rheumatology. Dr. Petri is the Director of the Hopkins Lupus Cohort, a longitudinal study of morbidity and mortality in systemic lupus erythematosus, and Co-Director of the Hopkins Lupus Pregnancy Center. Dr. Petri is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Lupus Nephritis, Systemic Lupus Erythematosus (SLE), Cutaneous Lupus Erythematosus (CLE), Tenotomy, and Osteotomy. Dr. Petri is board certified in American Board Of Internal Medicine and American Board Of Allergy And Immunology.
Johns Hopkins Bayview Medical Center
Dr. Brit Adler is an Assistant Professor of Medicine in the Division of Rheumatology at Johns Hopkins University. She is building a career as a translational physician-scientist with a focus on Postural Orthostatic Tachycardia Syndrome (POTS) and infection-associated chronic illnesses. Her interest in this area emerged from her work in general rheumatology, where she frequently encountered patients with POTS, an often-overlooked and understudied condition. She is particularly interested in investigating the immune dysregulation underlying POTS, Long COVID, and Chronic Lyme Disease. By leveraging her prior experience in autoantibody discovery in rheumatic diseases, Dr. Adler aims to deepen our understanding of these conditions. In addition to her work in general rheumatology, Dr. Adler leads a dedicated POTS clinic and evaluates patients in the Hopkins Autonomic Lab, furthering her commitment to improving care for patients with autonomic disorders. She earned her medical degree from Case Western Reserve University in Cleveland, Ohio, and completed her residency in Internal Medicine at the Hospital of the University of Pennsylvania. Following this, she pursued a clinical and research fellowship in Rheumatology at Johns Hopkins. This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Adler is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Dermatomyositis, Polymyositis, Myositis, and Inclusion Body Myositis. Dr. Adler is board certified in American Board Of Internal Medicine.
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Louisa Ziglar is a Rheumatologist practicing medicine in Frederick, Maryland. Dr. Ziglar is rated as an Advanced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Arthritis, Postmenopausal Osteoporosis, Osteoporosis, and Rheumatoid Arthritis (RA). Dr. Ziglar is board certified in Rheumatology and Clinical Densitometry.
Johns Hopkins Bayview Medical Center
Dr. Abbal Koirala hails from Kathmandu, Nepal. He completed a nephrology and glomerulonephritis fellowship at the University of Washington, Seattle, and held the position of Clinical Assistant Professor there from 2020 to 2024. In August 2024, he joined the faculty of the Division of Nephrology at the Johns Hopkins School of Medicine as the Assistant Professor of Medicine and Associate Director at the Johns Hopkins Glomerular Clinic. Dr. Koirala sees patients with glomerular diseases and provides second opinions upon request. His clinical and research interests revolve around glomerular diseases and onco-nephrology. Dr. Koirala is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Goodpasture Syndrome, Lupus Nephritis, Glomerulonephritis, and Chronic Kidney Disease. Dr. Koirala is board certified in American Board Of Internal Medicine.
Rheumatology Associates Of Baltimore LLC
Sam Serafi is a Rheumatologist practicing medicine in Baltimore, Maryland. Dr. Serafi is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Fibromyalgia, Raynaud Phenomenon, Sjogren Syndrome, and Rheumatoid Arthritis (RA). Dr. Serafi is board certified in American Board Of Internal Medicine - Rheumatology.
Rheumatology Associates Of Baltimore LLC
Tazeen Rehman is a Rheumatologist practicing medicine in Baltimore, Maryland. Dr. Rehman is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Psoriatic Arthritis, Psoriasis, Rheumatoid Arthritis (RA), and Fibromyalgia. Dr. Rehman is board certified in American Board Of Internal Medicine - Rheumatology.
Arthritis & Pain Associates
Donald Thomas is a Rheumatologist practicing medicine in Greenbelt, Maryland. Dr. Thomas is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Sjogren Syndrome, Rheumatoid Arthritis (RA), Osteoporosis, and Postmenopausal Osteoporosis.
Rheumatology Associates Of Baltimore LLC
Bansari Gujar is a Rheumatologist practicing medicine in Baltimore, Maryland. Dr. Gujar is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Fibromyalgia, Psoriatic Arthritis, and Psoriasis. Dr. Gujar is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine - Rheumatology.
Arthritis & Pain Associates
Rukmini Konatalapalli is an Internal Medicine provider practicing medicine in Greenbelt, Maryland. Dr. Konatalapalli is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Gout, Fibromyalgia, Rheumatoid Arthritis (RA), and Bursitis.
Rheumatology Associates Of Baltimore LLC
Seema Patel is a Rheumatologist practicing medicine in Baltimore, Maryland. She has been practicing medicine for over 18 years. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Fibromyalgia, Raynaud Phenomenon, Rheumatoid Arthritis (RA), and Discoid Lupus Erythematosus (DLE). Dr. Patel is board certified in American Board Of Medical Specialties - Rheumatology.
UM SJMG - Primary Care At Phoenix
Andreea Olaru is a primary care provider, practicing in Internal Medicine in Phoenix, Maryland. Dr. Olaru is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Aagenaes Syndrome, Milroy Disease, and Lymphedema-Distichiasis Syndrome. Dr. Olaru is currently accepting new patients.
Johns Hopkins Bayview Medical Center
Dr. Grader-Beck is an Associate Professor of Clinical Medicine in the Rheumatology Division. Dr. Grader-Beck’s clinical expertise includes the diagnosis and treatment of Sjogren's syndrome as well as inflammatory arthritis. He has a specific interest in improving quality of patient care and clinical research using state of the art information technology. He is developing innovative ways in how clinicians and researchers can leverage electronic health record systems to deliver individualized patient care and precision medicine. Dr. Grader is rated as an Experienced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Sjogren Syndrome, Rheumatoid Arthritis (RA), Interstitial Keratitis, and Dermatomyositis. Dr. Grader is board certified in American Board Of Preventive Medicine and American Board Of Internal Medicine.
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Eric Gapud is a Rheumatologist practicing medicine in Baltimore, Maryland. Dr. Gapud is rated as an Advanced provider by MediFind in the treatment of Granulomatosis with Polyangiitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Vasculitis, Necrotizing Vasculitis, Granulomatosis with Polyangiitis, and Takayasu Arteritis.
Last Updated: 04/28/2026







