Andrew Lerner, M.D., is a clinical instructor of medicine in the pulmonary and critical care medicine department at the Johns Hopkins University School of Medicine, as well as the director of interventional pulmonology at the Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital. He practices out of Sibley Memorial Hospital in Washington, D.C. Dr. Lerner is part of the Sibley Memorial Hospital Lung Nodule and Lung Cancer Screening Clinic, the Multidisciplinary Pulmonary and Thoracic Surgery Clinic, and the Multidisciplinary Thoracic Tumor Board Conference. Dr. Lerner has an expertise in minimally invasive procedures for the early diagnosis and treatment of malignant and non-malignant diseases of the airways, lungs and pleura. He is experienced in advanced diagnostic and therapeutic bronchoscopy, including endobronchial ultrasound (EBUS) bronchoscopy, navigational bronchoscopy, rigid bronchoscopy, tumor ablative techniques, airway stent placement, airway dilation, radial EBUS, conventional transbronchial needle aspiration (TBNA), bronchial thermoplasty, whole lung lavage and percutaneous lung biopsy; as well as percutaneous tracheostomy, tunneled pleural catheter placement, thoracentesis, tube thoracoscopy, medical thoracoscopy, chemical pleurodesis and upper endoscopy (EGD/PEG) placement. Dr. Lerner earned his medical degree from George Washington University School of Medicine. He completed his residency in internal medicine at Thomas Jefferson University Hospital, followed by a fellowship in pulmonary and critical care medicine at the University of California, San Diego. Dr. Lerner then completed a two-year advanced fellowship in interventional pulmonology at The Johns Hopkins Hospital, including a chief fellowship year. He has been involved in multiple research projects in the field and completed a Science of Clinical Investigation Certificate Program at Johns Hopkins University Bloomberg School of Public Health. Dr. Lerner has been a member of the Alpha Omega Alpha medical honors society since 2011 and earned The Johns Hopkins Hospital Patient Safety Star Award in 2016. Dr. Lerner has contributed to numerous presentations, lectures, publications, book chapters and abstracts. He is a reviewer for several research journals. Dr. Lerner has various research interests and is currently involved in research projects focusing on EBUS bronchoscopy, lung cancer diagnosis and staging, and other topics. Confidential email to reach Dr. Lerner for any questions: alerner@jhu.edu. Dr. Lerner is rated as a Distinguished provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Lung Nodules, Lymphofollicular Hyperplasia, Pleurisy, and Pleural Effusion.

Dr. Stewart Karr is a diagnostic radiology specialist with a concentration in interventional radiology. He received his medical degree from New York University School of Medicine in 1986 and completed his residency and a fellowship in interventional radiology at George Washington University Hospital. He has been a member of the Diagnostic Medical Imaging practice, which provides diagnostic and interventional radiology services at Johns Hopkins Howard County Medical Center in Columbia, Maryland. Dr. Karr is rated as a Distinguished provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Pleural Effusion, Pleurisy, Ascites, Vertebroplasty, and Bone Graft.

Dr. Sameer Pandit is a diagnostic radiology specialist with a concentration in neuroradiology. He graduated with honors from B.J. Medical College in Pune, India in 1985. He completed his fellowship in Neuroradiology from George Washington University Hospital. He is a member of the Diagnostic Medical Imaging practice, which provides diagnostic and interventional radiology services at Johns Hopkins Howard County Medical Center in Columbia, Maryland. Dr. Pandit is rated as a Distinguished provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Pleurisy, Pleural Effusion, Gas Bloat Syndrome, and Vertigo.

Dr. David Lee is a radiologist who specializes in diagnostic radiology with expertise in abdominal imaging. He received his Medical degree from New York Medical College and completed a pediatric internship at Montefiore Medical Center, followed by a radiology residency at Cooper Hospital University Medical Center. Dr. Lee is fellowship-trained in cross-sectional body imaging from the Johns Hopkins University School of Medicine. He is currently an Instructor at The Johns Hopkins Hospital and looks forward to joining the Community Radiology Division. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Fecal Impaction, Collapsed Lung, Pleurisy, and Pleural Effusion.

Dr. Kronthal joins the Johns Hopkins Community Radiology division from Drs. Groover, Christie and Merritt (GCM), where he has practiced at both Sibley and Suburban Hospitals for more than eleven years. He received his Bachelor of Arts at Haverford College in 1983 and medical degree at the University of Virginia in 1987. Dr. Kronthal performed both his radiology residency and Body Imaging fellowship at Johns Hopkins Hospital from 1998 through 1993. Following his fellowship, he spent twelve years with WBA Imaging, during which time he served as Chairman of the Department of Imaging at Prince George’s Hospital Center. Dr. Kronthal was with GCM from 2005 – 2017 and is the incoming Chairman of Radiology at Sibley Hospital. He is a past president of the District of Columbia Metropolitan Radiological Society. He was awarded fellowship in the American College of Radiology in 2005. Dr. Kronthal is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Muscle Invasive Bladder Cancer, Pleurisy, Pleural Effusion, and ALK-Positive Non-Small Cell Lung Cancer.

Dr. Craig received his Bachelor’s degree from the U.S. Naval Academy, followed by medical school at The Uniformed Services University of the Health Sciences. During his career as a Navy radiologist, Dr. Craig served as Radiologic Consultant to the White House and Capitol Physician and as Chairman of Radiology at both Bethesda Naval Hospital and the Department of Radiologic Pathology at the Armed Forces Institute of Pathology where he was also section head of Genito-Urinary Imaging. Dr. Craig specializes in oncologic imaging and abdominal imaging with a focus on the genito-urinary system lecturing both nationally and internationally. He currently serves as Chairman of Radiology at Suburban Hospital, volunteers with the American Board of Radiology and is a journal reviewer for Radiographics. Dr. Craig is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Collapsed Lung, Gallbladder Disease, Pleurisy, and Pleural Effusion.

Dr. Brian G. Johnson is the chief of interventional radiology at Sibley Memorial Hospital. Dr. Johnson practices out of Sibley Memorial Hospital in Washington, D.C., Suburban Hospital in Bethesda, MD and the Johns Hopkins Hospital in Baltimore, MD. Dr. Johnson graduated summa cum laude from University of Minnesota prior to earning his medical degree from Johns Hopkins University School of Medicine. He completed a residency in physical medicine and rehabilitation at Sinai Hospital of Baltimore, as well as a residency in diagnostic radiology at the University of Maryland Medical Center. Dr. Johnson also completed an interventional radiology fellowship at Johns Hopkins University. Dr. Johnson has been repeatedly named a Top Doctor by Washingtonian Magazine, as well as a Top MD by Consumers' Checkbook Magazine. He is a member of the American College of Radiology and the Society of Interventional Radiology. Videos Brian Johnson, M.D.Interventional Radiology Selected Publications Neuromodulatory effect of the atrial natriuretic factor clearance receptor binding peptide, cANF(4-23)-NH2 in the rabbit isolated vas deferentia, Johnson BG, Trachte GJ, Drewett JG, J Pharm & Exp Ther - 1/1/1991 Percutaneous Management of Renal and Renal-Pancreas Transplant Recipients Using CT Fluoroscopy: A Two Year Experience. Krebs TL, Johnson BG, Daly BD, Wong-You-Chong JJ, Bartlett ST, Radiological Society of North America Meeting, Chicago, IL - 1/29/1998 The hexagonal cell nitinol intravascular stent: a comparison of the effects of varying the stent wire gauge on the aorta and inferior vena cava in the swine animal model. Kuo J, Johnson BG, Venbrux AC, Olson JL, Samphilipo MA, Magee CA, Kobelja MA, Anderson JH, Osterman FA, American Roentgen Ray Society Annual Meeting, New Orleans, LA - 1/24/1994 The role of anticoagulation in the setting of a tethered vena cava filter in the swine animal model. Johnson BG, Reichle RL, Venbrux AC, Samphilipo MA, Magee CA, Anderson JH, Osterman FA, Society for Cardiovascular and Interventional Radiology Annual Meeting, Fort Lauderdale, FL - 1/1/1995. Dr. Johnson is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Bile Duct Obstruction, Vertebroplasty, and Bone Graft.

Dr. Bhagat is an interventional radiologist serving as the director of Vascular and Interventional Radiology of the National Capital Region. His primary areas of clinical expertise are interventional oncology (chemoembolization, radioembolization, and ablation), women's interventions, and vascular interventions (venous and arterial). Dr. Bhagat sees patients at both Suburban Hospital and Sibley Memorial Hospital. His research interests include interventional oncology, especially device development and software assistance for complex procedures. Dr. Bhagat successfully completed his Vascular and Interventional Radiology fellowship at the University of California, San Francisco in 2009. He joined the staff as an Assistant Professor of Radiology and Surgery at the Johns Hopkins University School of Medicine. While there, he authored more than 5 book chapters and 20 peer-reviewed manuscripts as well as giving many lectures at national and international meetings. In his second year at Johns Hopkins, he received a NIH R01 grant. Videos Nikhil Bhagat, M.D. Dr. Bhagat is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Ascites, Familial Pancreatic Cancer, Small Cell Lung Cancer (SCLC), Liver Embolization, and Gastrostomy.

Dr. Syed joins the Community Radiology Division from Eastern Radiologists in Greenville, NC where he also served as an Affiliate Associate Professor of Radiology at the Brody School of Medicine at East Carolina University. He received his Medical degree from Drexel University College of Medicine. Dr. Syed completed his radiology residency at Tufts Medical Center, followed by a Cross-sectional Body Imaging fellowship at The Johns Hopkins Hospital. Dr. Syed also has a M.S. in Pharmacology and Experimental Therapeutics from the University of Maryland School of Medicine. Dr. Syed is a radiologist with subspecialty expertise in gastrointestinal and genitourinary imaging. Dr. Syed is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Pleural Effusion, Pleurisy, Collapsed Lung, and Angiomyoma.

Dr. Abhishek Srinivas received his medical degree from the Johns Hopkins School of Medicine in 2006. He completed his diagnostic radiology residency at the Montefiore Medical Center of the Albert Einstein College of Medicine in New York in 2011. This was followed by a fellowship in Vascular and Interventional Radiology at the Johns Hopkins University School of Medicine in 2012. Prior to joining Johns Hopkins as faculty, Dr. Srinivas established an interventional oncology practice serving much of central New Jersey, and a local hub for patients affiliated with Hahnemann University Hospital’s liver transplant program in Philadelphia. During this time, Dr. Srinivas was also part of the neuroradiology team for the hospital’s stroke center. His primary areas of expertise include interventional oncology (liver, kidney and bone cancers), vascular disease (deep vein thrombosis, pulmonary embolism, aneurysm treatment), uterine fibroid embolization, spine interventions, and advanced biliary interventions. Other interests include novel device evaluation and development. Videos Abhishek Srinivas, M.D. Selected Publications Chang SW, Srinivas A, Murphy KP. Chapter 5: Endovascular Management of a Patient After SAH. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 5, 53 – 61. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Farinhas, J, Srinivas A, Gulko E, Bello J. Chapter 4: Imaging of the Spine and Spinal Cord. Kirshblum S, Campagnolo D, DeLisa JA, Spinal Cord Medicine 2nd Edition. Lippincott, Williams, & Wilkins (Copyright 2011) Gailloud P, Srinivas A, Chang SW, Murphy KP. Morgan RH. Percutaneous Vertebroplasty in a Sitting Patient. Journal of Vascular and Interventional Radiology. 2005 Nov; 16(11):1558-9 Mahadevia AA, Weiland D, Kvamme P, Murphy KP, Srinivas A, Wyse G. Polymethylmethacrylate contact dermatitis after vertebroplasty. Journal of Vascular and Interventional Radiology 2007 Apr;18(4):585 Srinivas A, Chang SW, Gailloud P. Chapter 33: Diagnosis and Treatment of Cerebral Arteriovenous Malformations. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 33, 397 – 404. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Dr. Srinivas is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Bile Duct Obstruction, Ascites, Jaundice, Liver Embolization, and Bone Graft.

Dr. Jones is a radiologist and currently serves as the Chief of Ultrasound at Sibley Memorial Hospital. He received his B.S. from Stanford University and Medical degree from the University of Wisconsin-Madison. He completed a diagnostic residency at the National Naval Medical Center, followed by a Cross-sectional Imaging fellowship at Georgetown University Hospital. Prior to joining Johns Hopkins, Dr. Jones was a staff radiologist at Suburban and Sibley Memorial Hospitals from 2004-2016. He serves as vice chairman of the Sibley Memorial Hospital Department of Radiology. Dr. Jones has subspecialty expertise in abdominal CT, MRI, ultrasound and image-guided biopsies. Dr. Jones is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Collapsed Lung, Fecal Impaction, Pleurisy, and Pleural Effusion.

Andrew Akman, MD, MBA a native of Washington, DC, currently practices at Suburban Hospital, Sibley Hospital, and Johns Hopkins Hospital. Dr. Akman performs a variety of minimally invasive procedures. He has specific interest in complex IVC filter removals, interventional oncology, pulmonary embolism, and prostate artery embolization. Dr. Akman is an expert in complex IVC filter retrieval and IVC filter related complications. In addition to standard IVC filter retrievals, he removes devices that are severely tilted, embedded, or fractured, as well as those designated as permanent devices. He serves as an adviser to other physicians on complex techniques including laser sheath and forceps assisted retrieval. Within interventional oncology, Dr. Akman performs thermal ablation of lung, liver, and kidney tumors. He performs chemoembolization and radioembolization (Yttrium-90) on primary liver cancer and metastatic liver disease. Dr. Akman also performs prostate artery embolization, an emerging minimally invasive technique for treating urinary symptoms associated with prostate enlargement. Dr. Akman prides himself on building strong relationships with his patients and practicing patient-centered medicine. Videos Andrew Akman, M.D., Interventional Radiologist Recent News Articles and Media Coverage Honoring a Life By Helping Others, Johns Hopkins Medicine, (July 20, 2022). Dr. Akman is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Ascites, Ureterocele, Familial Pancreatic Cancer, Gastrostomy, and Liver Embolization.

Stuart Jacobs is an Intensive Care Medicine specialist and a Pulmonary Medicine provider in Bethesda, Maryland. Dr. Jacobs is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Pleurisy, Lung Nodules, Lung Metastases, and Chronic Obstructive Pulmonary Disease (COPD). Dr. Jacobs is currently accepting new patients.

Jahanbakhsh Naghshin is a Pulmonary Medicine specialist and a Sleep Medicine provider in Bethesda, Maryland. Dr. Naghshin is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Pleurisy, Pleural Effusion, Bronchiectasis, and Lung Metastases. Dr. Naghshin is currently accepting new patients.

Bryan Defranco is a Radiologist and an Interventional Radiologist in Bethesda, Maryland. Dr. Defranco is rated as an Advanced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Lung Nodules, Small Cell Lung Cancer (SCLC), Lung Cancer, and Familial Prostate Cancer.

Reed Donaldson Quinn, M.D., is a cardiothoracic surgeon in Bethesda, Maryland, at Suburban Hospital. Dr. Quinn has extensive experience in the treatment of adult and congenital heart disease. He has clinical expertise in structural heart procedures including aortic, mitral, tricuspid, and pulmonary valve repairs and replacements. He also has extensive experience in aortic-mitral curtain reconstructions, percutaneous aortic valve replacement (TAVR), and LVOT enlargements. Dr. Quinn earned his Bachelor of Science Degree from Brigham Young University, his Masters in Engineering and Bioengineering from University of Utah, and his Medical Degree from University of Utah. He completed general surgery residency at University of Rochester and cardiothoracic surgery residency at The Milton S. Hershey Medical Center. Additionally, he completed a fellowship in pediatric congenital cardiovascular surgery at Children’s Hospital in Boston. Dr. Quinn has interests in innovative therapies for valvular heart disease and serves as the US Master Proctor for the Corcym Perceval sutureless valve. He has been the principal investigator at Maine Medical Center for several clinical studies. Dr. Quinn is very active in international health and has led trips for teaching and performing congenital heart surgery in Kenya, and is a visiting professor at Tenwek Hospital in Bomet, Kenya. Recent News Articles and Media Coverage At Suburban Hospital, Cardiac Surgery Expertise ShinesJohns Hopkins Medicine (March 2025). Dr. Quinn is rated as an Experienced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Aortic Valve Stenosis, Mediastinitis, Cystic Medial Necrosis of Aorta, Heart Bypass Surgery, and Aortic Valve Replacement.

Dr. Liebengood is a radiologist who specializes in cross-sectional imaging. Dr. Liebengood received her Bachelor of Arts from Johns Hopkins University in Baltimore, MD, followed by a Master of Health Services Administration at the University of Michigan, School of Public Health. She attended medical school and completed residency training at Rutgers-Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey. She went on to complete a body imaging fellowship at The Johns Hopkins Hospital, followed by the Armstrong Institute’s Leadership Program in Quality and Safety. She specializes in CT, MR, and Ultrasound. In addition to her clinical focus as a body imager, she has an interest in quality and safety. Dr. Liebengood is rated as an Experienced provider by MediFind in the treatment of Pleurisy. Her top areas of expertise are Collapsed Lung, Diverticular Disease, Gallbladder Disease, and Thyroid Nodule.

Peter G. Hamm, M.D., is a pulmonologist with Johns Hopkins Medicine Pulmonology. Dr. Hamm is also the chairman of the department of medicine and the chairman of the intensive care unit (ICU) committee at Sibley Memorial Hospital. Dr. has an expertise in annual physicals, acute and urgent care, disease management and pulmonary medicine. He earned his medical degree from Columbia University College of Physicians and Surgeons. He went on to complete his residency in internal medicine at St. Luke’s Hospital, followed by a fellowship in pulmonary medicine at Bellevue Hospital Center. Dr. Hamm has been named a Top Doctor in the Washington, D.C., Baltimore and Washington-Baltimore areas by Castle Connolly. He has also been named a Top MD by Consumers’ Checkbook Magazine. Dr. Hamm contributed to a publication on the diagnosis of pulmonary Kaposi’s sarcoma with fiberoptic bronchoscopy and endobronchial biopsy. Dr. Hamm is rated as an Experienced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are ALK-Positive Non-Small Cell Lung Cancer, Large-Cell Lung Carcinoma, Squamous Cell Lung Carcinoma, and Lung Adenocarcinoma.

Stephen R. Broderick, M.D., MPHS, is an assistant professor of surgery at Johns Hopkins University School of Medicine and a thoracic surgeon, part of a multidisciplinary team treating lung cancer patients in the Johns Hopkins Kimmel Cancer Center. Listen to Dr. Broderick's Cancer Matters podcast episode to learn more about his work. Dr. Broderick's primary clinical focus is at Sibley Memorial Hospital, in Washington, D.C. He also practices at The Johns Hopkins Hospital and Johns Hopkins Bayview Medical Center in Baltimore, Maryland. Dr. Broderick has a clinical expertise in surgical treatment of lung cancer, esophageal cancer and other thoracic malignancies, as well as benign thoracic conditions. This includes achalasia, bronchoscopy, chest wall reconstruction and tumors, lung nodules and paraesophageal hernias. He has a clinical interest in minimally invasive surgery for lung cancer and the coordinated delivery of multidisciplinary care for thoracic oncology patients. Before joining Johns Hopkins, Dr. Broderick was a thoracic surgeon at St Luke’s Hospital, where he served as the medical director of the cardiothoracic intensive care unit and a member of the oncology steering committee. He also served as an instructor of surgery at Washington University School of Medicine. Dr. Broderick received his medical degree from Georgetown University School of Medicine in 2003 and he completed his internship and residency training in general surgery at New York-Presbyterian Hospital. He studied the molecular biology of lung cancer as a research fellow at Memorial Sloan Kettering Cancer Center, where he received the Chairman's Award for outstanding contributions to the basic science research fellowship. Dr. Broderick also completed a fellowship in thoracic surgery at Washington University School of Medicine in 2012 and earned a Masters in Population Health Science from Washington University School of Medicine in 2014. Dr. Broderick is a member of the American College of Chest Physicians, The Society of Thoracic Surgeons and the American Society of Clinical Oncology. Dr. Broderick’s research interests are focused on improving outcomes for lung cancer patients. He is particularly interested in studying how various treatments for early-stage lung cancer impact patients’ quality of life. Dr. Broderick has contributed to numerous publications and is a reviewer for the Journal of Cardiovascular and Thoracic Surgery, as well as Annals of Thoracic Surgery. Dr. Broderick is rated as an Experienced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Lung Nodules, Tubal Ligation, and Lung Transplant.

Juan C. Abril, M.D., is a pulmonologist with Johns Hopkins Medicine Pulmonology. Dr. Abril has a special interest in Sleep Disordered Breathing, Interstitial Lung Disease, Pulmonary Hypertension, Sarcoidosis, Pleural Diseases and Asthma. Dr. Abril received his medical degree from the Pontificia Universidad Javeriana, in Bogota, Colombia, graduating in 2002. He completed a residency in Internal Medicine at the Mayo Clinic in Jacksonville, FL. He completed his Fellowships in Pulmonary and Critical Care Medicine, and Sleep Medicine at The George Washington University. He has co-authored articles on mechanical ventilation and has participated in research in non-invasive positive pressure ventilation, chest ultrasound, and granulomatous lung diseases. Selected Publications Automatic detection of patient-ventilator asynchrony by spectral analysis of airway flow. Gutierrez G, Ballarino GJ, Turkan H, Abril J, De La Cruz L, Edsall C, George B, Gutierrez S, Jha V, Ahari J. Crit Care. 2011 Jul 12:15(4):R167. doi: 10.1186/cc10309. Dr. Abril is rated as an Experienced provider by MediFind in the treatment of Pleurisy. His top areas of expertise are Pneumonia, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Gastrostomy, and Advanced Bronchoscopy.