Dr. Arun Venkatesan serves as Director of the Johns Hopkins Encephalitis Center, where he directs clinical activities and research. At the center he has developed a multidisciplinary program devoted to optimizing diagnosis and management of patients with infectious and autoimmune encephalitis and understanding mechanisms of disease in order to develop more effective treatments. He also plays an active role in the Johns Hopkins Multiple Sclerosis and Transverse Myelitis Centers. He received his undergraduate degree in biomedical engineering from the University of California, Berkeley in 1994, followed by a Ph.D. in microbiology and immunology and an M.D. from the University of California, Los Angeles. He completed his residency in neurology and fellowship in neuroinfectious and neuroinflammatory diseases at Johns Hopkins, after which he was appointed to the faculty in the department of neurology in 2007. His laboratory research focuses on defining causes and mechanisms of central nervous system injury in the setting of infection and neuroinflammation, with a goal towards developing protective and regenerative strategies. He has received funding from the National Institutes of Health, Howard Hughes Medical Institute, National Multiple Sclerosis Society, and Maryland Stem Cell Research Fund. Dr. Venkatesan is rated as an Experienced provider by MediFind in the treatment of Chickenpox. His top areas of expertise are Encephalitis, Herpes Simplex Encephalitis, Anti-NMDA Receptor Encephalitis, and Multiple Sclerosis (MS).

Dr. Olga Charnaya is an assistant professor of Pediatrics at the Johns Hopkins University School of Medicine. She specializes in pediatric kidney transplantation but provides care for children with kidney disease of all types including hypertension, chronic kidney disease, dialysis, hematuria, and proteinuria. Dr. Charnaya completed her undergraduate degree at the University of Maryland in College Park, and a Master’s degree in Microbiology and Immunology at Georgetown University. Subsequently, she matriculated at the Ben-Gurion University of the Negev to complete her medical degree. Her residency training was completed at University of Maryland Medical Center where she also served as chief resident. Her subspecialty training in Pediatric Nephrology was completed at Children’s National Medical Center, after which she joined the faculty at Johns Hopkins in 2017. In addition to providing clinical care, Dr. Charnaya is pursuing a Ph.D. in clinical investigation at the Bloomberg School of Public Health, and is actively engaged in clinical research to improve outcomes for pediatric kidney transplant recipients. Specifically, Dr. Charnaya’s research is studying ways to incorporate high-resolution tissue typing into deceased donor kidney allocation using computational modeling to improve immunological matching while preserving pediatric priority and equity (racial and geographic) in access to transplantation. Research Summary Dr. Charnaya’s primary research focus is pediatric kidney transplantation. She has several ongoing research endeavors, including exploring how to implement eplet mismatch analysis in pediatric kidney transplantation, reducing racial and ethnic disparities in pediatric kidney transplantation, and studying the response of pediatric transplant recipients to the COVID-19 vaccine. Dr. Charnaya leads one of the division quality improvement initiatives to optimize care of children with nephrotic syndrome, which is a collaborative effort with eight other children’s hospitals. In 2020, she received the KL2 Clinical Research Scholars Award to support her research and allow her to complete a doctorate in clinical investigation at the Johns Hopkins Bloomberg School of Public Health. Dr. Charnaya is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are Chickenpox and Hypertension.

Dr. Probasco is a professor at the Johns Hopkins University School of Medicine Department of Neurology. He is the Vice Chair for Quality, Safety, and Service for the department. He also serves as the Director of the Johns Hopkins Division of Advanced Clinical Neurology as well as the Medical Director of the Johns Hopkins Inpatient General Neurology Service. He co-directs the Johns Hopkins Encephalitis Center and the Johns Hopkins Center for Refractory Status Epilepticus and Neuroinflammation. He cares for general neurology inpatients and outpatients, specializing in autoimmune and paraneoplastic syndromes as well as neurological immune-related adverse events following immunotherapies for cancer. After completing his undergraduate studies in biochemistry at the University of New Mexico, Dr. Probasco attended the University of Oxford as a Rhodes Scholar and earned a second undergraduate degree in psychology, philosophy and physiology. He went on to earn his medical degree at the University of California, San Francisco. He completed an internship in internal medicine at Johns Hopkins Bayview Medical Center and a residency in neurology at Johns Hopkins, where he was the faculty liaison/executive chief resident. He went on to complete an instructorship in inpatient general neurology at Johns Hopkins. Dr. Probasco’s research interests include increasing care value through improving outcomes, incorporation of patient experience of disease and treatment, the efficiency of care delivery, and diagnostic test utilization in general and specifically in relation to autoimmune and paraneoplastic neurological syndromes, including encephalitis. Finally, he is interested in the management of neurological immune-related adverse events following immunotherapies for the treatment of cancer. Dr. Probasco has been recognized at the departmental, institutional, and national levels for teaching and clinical excellence, including the American Academy of Neurology’s A.B. Baker Teacher Recognition Award and the Frank L. Coulson, Jr. Award from the Johns Hopkins Medicine Miller-Coulson Academy of Clinical Excellence. He is a past graduate of the Johns Hopkins Armstrong Institute Resident Scholars (AIRS) program in Patient Safety and Quality. As a faculty member, he was inducted into the Miller-Coulson Academy of Clinical Excellence in 2019. He serves as Editor-in-Chief of NEJM Journal Watch Neurology. Videos The impact of COVID-19 on the Department of Neurology‚Äôs clinical care and medical education programs. Dr. Probasco is rated as an Experienced provider by MediFind in the treatment of Chickenpox. His top areas of expertise are Encephalitis, Anti-NMDA Receptor Encephalitis, Status Epilepticus, Creutzfeldt-Jakob Disease, and Gastrostomy.

Dr. Salazar-Austin completed her undergraduate degree in Biology at the Massachusetts Institute of Technology and her medical degree from Harvard Medical School. She completed pediatrics residency at the Children’s Hospital of Philadelphia. She spent two years as a global health corps physician with the Baylor International Pediatric AIDS Initiative in eSwatini before completing her fellowship in Pediatric Infectious Diseases at the Johns Hopkins University School of Medicine. She completed a Master’s degree in epidemiology, focusing on clinical trials and evidence-based synthesis, at the Johns Hopkins Bloomberg School of Public Health. She joined the faculty of the division of pediatric infectious diseases in 2016. Dr. Salazar-Austin’s research focuses on combining existing and new biomedical interventions in tuberculosis with novel pediatric health care delivery models to improve implementation of TB preventive therapy in TB-exposed children and adolescents with and without HIV worldwide. Dr. Salazar is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are HIV/AIDS, Chickenpox, and High Blood Pressure in Infants.

Dr. Wikrom Karnsakul is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. His clinical interests are in the care of pediatric liver diseases, and general gastrointestinal diseases. Dr. Karnsakul received his medical degree in 1992 from Faculty of Medicine, Siriraj Medical Center, Mahidol University School of Medicine in Bangkok, Thailand. He completed his residency in pediatrics at Advocate Hope Children's Hospital in 1998 and did a fellowship in pediatric gastroenterology, hepatology and nutrition at Texas Children's Hospital, Baylor College of Medicine in Houston, Texas. He completed his postdoctoral research training at USDA/ARS Children's Nutrition Research Center, Baylor College of Medicine. He joined the faculty at Johns Hopkins in 2008. His research interests center on the understanding and treatment of chronic liver disease, ascites, cholestasis, viral hepatitis especially hepatitis C and hepatitis E, and Cystic Fibrosis Related Liver Disease. Dr. Karnsakul is also involved in NIH-funded multicenter research studies including the Cholestatic Liver Disease Consortium and Cystic Fibrosis Related Liver Disease Project. Dr. Karnsakul is currently a Fellow of the American Association for the Study of Liver Diseases (FAASLD). Dr. Karnsakul is rated as an Experienced provider by MediFind in the treatment of Chickenpox. His top areas of expertise are Alagille Syndrome, Cholestasis, Hepatitis E, Liver Transplant, and Endoscopy.

Dr. Thomas Quinn is professor of medicine and pathology in the Johns Hopkins School of Medicine and professor of international health, epidemiology, and molecular microbiology and immunology in The Johns Hopkins School of Public Health, and professor of nursing in the Johns Hopkins School of Nursing. In 2006 he was appointed founding Director of the Johns Hopkins University Center for Global Health. He serves as advisor/consultant on HIV and STDs to the World Health Organization, Office of the Global AIDS Coordinator (PEPFAR), UNAIDS, and the FDA. He serves as Associate Director for International Research at the National Institute of Allergy and Infectious Diseases. He is a member of the Institute of Medicine of the National Academy of Sciences, and is a fellow of the American Association for the Advancement of Science. He is a fellow of the Infectious Diseases Society of America and a member of the American Association of Physicians. He is an author of over 900 publications on HIV, STDs, and infectious diseases, and serves on multiple editorial boards. Among his professional activities, Dr. Quinn is an alternate member of the Technical Panel of the Global Fund to Fight AIDS, Malaria, and Tuberculosis and has been on Advisor/Consultant on HIV and STDs to the World Health Organization, UNAIDS, and the U.S. Food and Drug Administration. In October 2004 he received membership in the Institute of Medicine. Dr. Quinn is rated as an Experienced provider by MediFind in the treatment of Chickenpox. His top areas of expertise are HIV/AIDS, Genital Herpes, Chlamydia, and Human Papillomavirus Infection.

Marcela Ferrada is a Rheumatologist in Baltimore, Maryland. Dr. Ferrada is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are MAGIC Syndrome, Chickenpox, Subglottic Stenosis, and Shingles.

Avindra Nath is a Neurologist in Baltimore, Maryland. Dr. Nath is rated as an Experienced provider by MediFind in the treatment of Chickenpox. His top areas of expertise are Progressive Multifocal Leukoencephalopathy, Encephalitis, CACH Syndrome, and Stroke.

Susan Keay is an Infectious Disease provider in Baltimore, Maryland. Dr. Keay is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are Shingles and Chickenpox.

Kornkanok Saringkarisate is a Pediatrics provider in Baltimore, Maryland. Dr. Saringkarisate is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top area of expertise is Chickenpox.

Jacqueline Fulton is a Pediatrics provider in Baltimore, Maryland. Dr. Fulton is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are Chickenpox, Vitamin D Deficiency, and Multisystem Inflammatory Syndrome in Children (MIS-C). Dr. Fulton is currently accepting new patients.

Samuel Holzman is an Infectious Disease provider in Baltimore, Maryland. Dr. Holzman is rated as an Experienced provider by MediFind in the treatment of Chickenpox. His top areas of expertise are Osteomyelitis, Sepsis, Osteomyelitis in Children, and Multisystem Inflammatory Syndrome in Children (MIS-C). Dr. Holzman is currently accepting new patients.

Dr. Robin Avery is an infectious disease physician who joined the Johns Hopkins faculty in 2012, with two decades of experience in transplant infectious disease. She is a past chair of the American Society of Transplantation (AST) Infectious Disease Community of Practice, was a co-editor of the first edition of the AST ID Guidelines, and serves on a Guidelines Committee for the Infectious Disease Society of America (IDSA) on immunizations in the immunocompromised host. She was the founding head of the Transplant Infectious Disease Section at the Cleveland Clinic and served as the founding director of the Cleveland Clinic Transplant ID Special Fellowship, authoring a curriculum that served as the basis for curricula later endorsed by the AST and IDSA. Her clinical and research interests include pre-transplant donor and recipient evaluation, and prevention and treatment of post-transplant infections, particularly transplant-associated viruses, viral load monitoring, novel therapies for CMV, hypogammaglobulinemia, immunizations, and strategies for safer living post-transplant. She has a strong interest in patient education and co-authored the script for a video designed to educate patients on decreasing post-transplant infection risks. Dr. Avery is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are Cytomegalic Inclusion Disease, Cytomegalovirus Infection, COVID-19, and Sepsis.

Lihua Xu is a primary care provider, practicing in Family Medicine in Baltimore, Maryland. Dr. Xu is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are Acute Cystitis, Cellulitis, Flu, and Multisystem Inflammatory Syndrome in Children (MIS-C). Dr. Xu is currently accepting new patients.

Ramie Fathy is a primary care provider, practicing in Dermatologist in Lutherville, Maryland. Dr. Fathy is rated as an Experienced provider by MediFind in the treatment of Chickenpox. His top areas of expertise are Pityriasis Rosea, Chickenpox, Neuroendocrine Tumor, and COVID-19.

Faranak Moghadam is a primary care provider, practicing in Family Medicine in Owings Mills, Maryland. Dr. Moghadam is rated as an Experienced provider by MediFind in the treatment of Chickenpox. Her top areas of expertise are Acute Cystitis, Bronchitis, Atypical Pneumonia, and Hospital-Acquired Pneumonia.