Dr. Amy L. Zhang

Peter Merkel is a Rheumatologist in Philadelphia, Pennsylvania. Dr. Merkel is rated as an Elite provider by MediFind in the treatment of Cryoglobulinemia. His top areas of expertise are Granulomatosis with Polyangiitis, Vasculitis, Microscopic Polyangiitis, Takayasu Arteritis, and Tissue Biopsy. Dr. Merkel is currently accepting new patients.

Douglas Lienesch is an Internal Medicine specialist and a Rheumatologist in Elkton, Maryland. Dr. Lienesch is rated as a Distinguished provider by MediFind in the treatment of Cryoglobulinemia. His top areas of expertise are Sjogren Syndrome, Necrotizing Vasculitis, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, and IgG4-Related Disease.

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 a Distinguished provider by MediFind in the treatment of Cryoglobulinemia. His top areas of expertise are Sjogren Syndrome, Rheumatoid Arthritis (RA), Arthritis, and Interstitial Keratitis.