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Faculty and Staff

Mark Bohlman, M.D., FACR

Mark Bohlman, M.D., FACR, Chair
Chairman, Department of Imaging at Johns Hopkins Bayview
Associate
 Professor of Radiology

Mark Bohlman, M.D., FACR, earned a degree in biology, as well as a medical degree, at the University of Maryland. He completed a residency in radiology at the University of Maryland Medical Center.

Specializing in cross-sectional and image-guided interventional radiology, Dr. Bohlman currently is an associate professor of radiology at The Johns Hopkins University School of Medicine and chair of radiology at Johns Hopkins Bayview.

Martin Auster, M.D., MBA

Martin Auster, M.D., MBA
Director, Interventional Radiology
Assistant Professor of Radiology

Martin Auster, M.D., MBA, director of interventional radiology at Johns Hopkins Bayview, earned a medical degree at Hahnemann Medical College in Philadelphia. He completed a residency in radiology at Montefiore Hospital, followed by fellowships in neuroradiology and cardiovascular interventional radiology.

In 2005, Dr. Auster earned an MBA from The Johns Hopkins University Carey School of Business. Before coming to Johns Hopkins Bayview, he maintained a private radiology practice.

Maha Barazanji, M.D.

Maha Barazanji, M.D.
Medical Director, Imaging - Johns Hopkins at White Marsh
Clinical Associate of Radiology

Maha Barazanji, M.D., is committed to her philosophy that every patient deserves high-quality imaging and comprehensive, thorough reporting, as well as providing excellent imaging consultation to referring physicians.

Dr. Barazanji earned a medical degree at the University of Baghdad Medical School and completed a residency in diagnostic radiology at Stony Brook University Medical Center. She also completed a fellowship in body imaging at The Johns Hopkins University School of Medicine.

Board-certified by the American Board of Radiology, Dr. Barazanji holds a special interest in body imaging CT/US/MRI, female pelvic ultrasound/MRI, breast MRI and acute abdomen imaging.

John Cavaluzzi, M.D.

John Cavaluzzi, M.D.
Director, Neuroradiology
Assistant Professor of Radiology

John Cavaluzzi, M.D., earned a medical degree at Downstate Medical Center in New York and completed a residency in radiology at Kings County Hospital. After serving two years in the U.S. Navy and one year in private practice, Dr. Cavaluzzi completed a fellowship in cardiovascular radiology at The Johns Hopkins Hospital. He has served as the director of neuroradiology at Johns Hopkins Bayview since 1980.

Dr. Cavaluzzi has published research articles on several topics, including hepatic venography, pulmonary embolism and applications of HASTE MRI techniques in neuroradiology. A senior member of the American Society of Neuroradiology, he has reviewed research articles submitted for publication in the American Journal of Neuroradiology.

Dr. Cavaluzzi has obtained the Certificate of Added Qualification in Neuroradiology from the American Board of Radiology in 1995 and 2005. His research interests include applications of the high field (3 Tesla) MRI to the evaluation of patients with stroke and cerebrovascular disease.

I. Semra Engin, M.D.

I. Semra Engin, M.D.
Clinical Associate of Radiology

I. Semra Engin, M.D., clinical associate in radiology at The Johns Hopkins University School of Medicine, holds over 20 years experience in diagnostic radiology practice. She earned a medical degree at the University of Ankara in Turkey and completed a fellowship in nuclear medicine at The Johns Hopkins University School of Medicine.

Board-certified in diagnostic radiology, Dr. Engin oversees mammography services at both Johns Hopkins Bayview and Johns Hopkins at White Marsh.

Joel Fradin, M.D.

Joel Fradin, M.D.
Director, Ultrasound
Instructor of Radiology

Joel Fradin, M.D., earned an undergraduate degree in biology at City College of New York and a medical degree at State University of New York at Downstate. He completed a residency in diagnostic radiology at Winthrop-University Hospital and a fellowship in body imaging at State University of New York at Stony Brook.

Joining Johns Hopkins Bayview in 1993, Dr. Fradin maintains a strong interest in resident teaching and hands-on diagnostic ultrasound. As director of ultrasound at Johns Hopkins Bayview, he has helped expand the service to include a wide variety of ultrasound-guided interventional procedures, as well as high-risk obstetrical ultrasound.

Gary X. Gong, M.D., Ph.D.

Gary X. Gong, M.D., Ph.D.
Assistant Professor of Radiology

Gary Gong, M.D., Ph.D., assistant professor of radiology at The Johns Hopkins University School of Medicine, has multidisciplinary training in diagnostic and interventional radiology, neuroradiology, and thoracic surgery and research. After practicing interventional and general diagnostic radiology for several years in China, he earned a medical degree at Temple University School of Medicine and completed a residency in diagnostic radiology at Yale-Norwalk Hospital. Dr. Gong also completed a fellowship in neuroradiology at The Johns Hopkins Hospital.

Primarily, Dr. Gong practices diagnostic neuroradiology, but also offers other radiological services with the exception of mammography and nuclear medicine. He has expertise in neurological CTA, spine facet joint block, nerve root block, epidural steroid injection and pain management. His strong interventional skills include tumor RF- and cryo-ablations.

Dr. Gong’s research interests focus 3D applications, high field MRI stroke imaging and interventional techniques.

Young Choo Kim, M.D.

Young Choo Kim, M.D.
Assistant Professor of Radiology

Young Choo Kim, M.D., earned an undergraduate pre-med degree, as well as a medical degree, at Yon-Sei University in Seoul, Korea. He completed a residency in radiology at University of Missouri Medical Center in Columbia, Missouri and training in pediatric radiology at Mercy Children’s Hospital in Kansas City, Missouri.

Dr. Kim now is an assistant professor of radiology at The Johns Hopkins University School of Medicine and practices mammography and general radiology at Johns Hopkins Bayview Medical Center.

Erich K. Lang, M.D.

Erich K. Lang, M.D.
Professor of Radiology

Erich K. Lang, M.D., professor of radiology at The Johns Hopkins University School of Medicine, earned a medical degree at the University of Vienna in Austria. He holds special clinical interests in interventional, urogynecologic and oncologic radiology.

An author of numerous medical publications, abstracts, books and chapters, Dr. Lang also is active in academic research in radiology. His research focuses largely in the fields of interventional radiology and uroradiology, as well as urology, gynecology and the oncologic aspects of each.

Jonathan Marx, M.D.

Jonathan Marx, M.D.
Instructor of Radiology

Jonathan Marx, M.D., born and raised in Morristown, New Jersey, earned an undergraduate degree in biological psychology at the University of Michigan and a medical degree at the University of Medicine and Dentistry of New Jersey—Robert Wood Johnson Medical School.

After completing two-year residency in general surgery following medical school, he became interested in interventional radiology and completed a residency in radiology at Morristown (NJ) Memorial Hospital. He then pursued a fellowship in interventional radiology at The Johns Hopkins Hospital.

Dr. Marx joined Johns Hopkins Bayview in 2006. A member of the Society of Interventional Radiologists, he especially enjoys the diversity of procedures involved in interventional radiology.

John Petronis, M.D.

John Petronis, M.D.
Director, Nuclear Radiology
Associate Professor of Radiology

John Petronis, M.D., holds over 25 years of experience in nuclear medicine. He earned degrees in electrical engineering and biomedical engineering at Rutgers University and a medical degree at the University of Medicine and Dentistry of New Jersey—Robert Wood Johnson Medical School. He completed a residency in internal medicine at Hershey Medical Center and a fellowship in nuclear medicine at The Johns Hopkins Hospital.

A member of the Society of Nuclear Medicine, SNM Cardiovascular Council and Editorial Board of Clinical Nuclear Medicine, Dr. Petronis holds a special interest in nuclear cardiology, cardiac MRI and clinical applications of PET-CT technology.

Nathan R. Sklar, M.D.

Nathan R. Sklar, M.D.
Assistant Professor of Radiology

Nathan R. Sklar, M.D., earned a medical degree at Temple University School of Medicine. He completed an internship in medicine and a residency in radiology at the U.S. Public Health Service Hospital in Baltimore, as well as a second residency in radiology at Thomas Jefferson University Hospital.

Board-certified in diagnostic radiology, Dr. Sklar holds special interests in mammography as well as gastrointestinal radiology.

Jessie D. Stahl, M.D.

Jessie D. Stahl, M.D.
Clinical Associate of Radiology

Jessie D. Stahl, M.D., earned a medical degree at the University of Maryland School of Medicine, where she also completed a residency in radiology.

A board-certified radiologist, Dr. Stahl holds over 30 years experience and specializes in mammography. She maintained a private practice in radiology for over 25 years before joining Johns Hopkins Bayview in 2006.

Dr. Stahl is a member of the American College of Radiology and Society of Breast Imaging.

 

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October 7, 2008