Jan Fritz MD

Dr. Douglas Ball is an associate professor of medicine at the Johns Hopkins University School of Medicine. He holds a joint appointment in oncology. His areas of clinical expertise include diagnostic radiology, endocrine oncology, thyroid cancer and thyroid diseases. Dr. Ball earned his M.D. from the George Washington University School of Medicine. He completed his residency at the University of Pittsburgh-Presbyterian University Hospital and performed a fellowship in endocrinology and metabolism at Johns Hopkins. His research interests include medullary thyroid cancer, differentiated thyroid cancer and anaplastic thyroid cancer.

Dr Halperin received the B.S degree in physics with highest distinction from Purdue University, the M.A. degree in physics from the University of California, Berkeley, and the M.D. degree from Louisiana State University, New Orleans, Louisiana. He is a member of Phi Beta Kappa, an Established Investigator and Fellow of the American Heart Association, and a McClure Fellow of the Johns Hopkins University Applied Physics laboratory. Dr. Halperin is currently a Professor of Medicine, Radiology and Biomedical Engineering at the Johns Hopkins Medical Institutions. He is the co-director of the Cardiovascular Imaging Center of Excellence. He serves on the editorial board of the journal Resuscitation, and is a past chair of the national American Heart Association Advanced Cardiovascular Life Support Subcommittee and a past member of the Emergency Cardiac Care Committee. Ten of his students have received young investigator awards from the American Heart Association and Heart Rhythm Society, and he has ongoing support from the National Institutes of Heath for his research programs. He has over 120 peer-reviewed publications and over 20 patents issued.

Dr. Danial Bokhari is an Assistant Professor for Johns Hopkins Medicine Department of Radiology and Radiological Science, specializing in pediatric radiology. Dr. Bokhari earned a Bachelor of Science in Engineering degree in Biomedical Engineering from Duke University Durham. He received his medical degree from Texas A&M Health Science Center College Station/Temple.Dr. Bokhari completed a Transitional Year Internship from Gundersen Lutheran Hospital La Crosse and his radiology residency from Baylor College of Medicine Houston where he earned an Award for Cardiovascular Imaging Excellence. He performed a Pediatric Radiology Fellowship at University of California San Francisco.He is a member of the American Medical Association, Texas Radiological Society, Radiological Society of North America, American Roentgen Ray Society, Society for Pediatric Radiology, and American College of Radiology.