Dr. David M. Cohen

Dr. Gregory Kirk is a professor of medicine at the Johns Hopkins University School of Medicine. He holds joint appointments in oncology and, at the Johns Hopkins Bloomberg School of Public Health, in epidemiology. His areas of clinical expertise include epidemiology, hepatitis, HIV, AIDS and infectious diseases. He serves as the vice chair for clinical and translational research at the Johns Hopkins School of Medicine. Dr. Kirk received his undergraduate degree from Oklahoma State University. He earned a Ph.D. and M.P.H. from the Johns Hopkins Bloomberg School of Public Health. He earned his M.D. from the University of Oklahoma Health Sciences Center College of Medicine. He completed a residency in preventative medicine at the Johns Hopkins Bloomberg School of Public Health and in internal medicine at Georgetown University. He performed a fellowship in infectious diseases at the National Institute of Allergy and Infectious Diseases. His research focuses on understanding and preventing the long-term consequences of chronic HIV infection, particularly the malignant complications of HIV and viral hepatitis. He has extensive research and clinical experience in Africa, leading the Gambia Liver Cancer Study, one of the largest studies of hepatocellular carcinoma (HCC) performed in the continent, in addition to years of collaborative research in Uganda. Dr. Kirk pioneered the use of elastography and application of novel aflatoxin-associated biomarkers of HCC risk to be applied in Consortium projects. He has strong, multidisciplinary team leadership skills as principal investigator of the ALIVE cohort and several other collaborative studies in Baltimore. Dr. Kirk is rated as a Distinguished provider by MediFind in the treatment of Emphysema. His top areas of expertise are HIV/AIDS, Hepatitis C, Hepatitis, and Hepatitis B.

Matthew Park is a Pulmonary Medicine specialist and an Infectious Disease provider in Baltimore, Maryland. Dr. Park is rated as an Advanced provider by MediFind in the treatment of Emphysema. His top areas of expertise are Pleural Effusion, Pleurisy, Lung Nodules, and Lung Metastases. Dr. Park is currently accepting new patients.

Jeffrey Darnall is an Infectious Disease provider in Ridley Park, Pennsylvania. Dr. Darnall is rated as an Advanced provider by MediFind in the treatment of Emphysema. His top areas of expertise are Osteomyelitis in Children, Lyme Disease, Osteomyelitis, and Myelitis.