Gastroenterologist Mouen Khashab specializes in therapeutic endoscopy, and he oversees this group of practitioners across the Johns Hopkins enterprise. Nationally and internationally known in the field of interventional endoscopy, Dr. Khashab has contributed immensely to the field’s advancement as a minimally invasive means to treat gastrointestinal and pancreaticobiliary disorders. Dr. Khashab earned his medical degree from the American University of Beirut Faculty of Medicine, and subsequently completed a residency in internal medicine and a fellowship in gastroenterology at Indiana University. He then completed a two-year fellowship at The Johns Hopkins Hospital before joining the faculty in 2011. A busy researcher, Dr. Khashab has published more than 600 papers in peer-reviewed journals. In 2013, he described the procedure called gastric peroral endoscopic myotomy (known as G-POEM) and was able to disseminate and teach it all over the world. Other procedures that he expanded include peroral endoscopic myotomy (POEM), peroral endoscopic myotomy with fundoplication (POEM-F), Zenker’s peroral endoscopic myotomy (Z-POEM) and full thickness resection. In 2022, he received the Master Endoscopist Award from the American Society for Gastrointestinal Endoscopy (ASGE) for his numerous contributions to the field. His procedural expertise includes endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound (EUS), interventional EUS, submucosal endoscopy, POEM/achalasia, endoscopic mucosal resection, endoscopic submucosal dissection, luminal stenting, large polyp resection and Barrett’s therapy, among others. Dr. Khashab is involved with multiple gastrointestinal societies and has served on many committees, including the ASGE Standards of Practice Committee, which is in charge of formulating guidelines for the practice of endoscopy. He has also served as an associate editor for the journal Endoscopy, a premier journal in the field. Khashab is a highly sought-after speaker at national and international conferences, and he has participated in multiple live endoscopy conferences. Outside of academic medicine, Dr. Khashab is an entrepreneur. His major interest is in new technology and medical devices, and his goal is to disrupt the field by introducing technology that makes endoscopic procedures safer, easier, efficient and more scalable. Dr. Khashab is rated as an Elite provider by MediFind in Stent Placement. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Brajesh Lal is a Vascular Surgeon and a General Surgeon in Baltimore, Maryland. Dr. Lal is rated as an Elite provider by MediFind in Stent Placement. His top areas of expertise are Carotid Artery Disease, Venous Insufficiency, Varicose Veins, Stent Placement, and Carotid Artery Surgery. Dr. Lal is currently accepting new patients.

Dr. Hicks specializes in congenital aortic pathologies including aberrant subclavian arteries and aortic coarctation, thoracic and abdominal aortic aneurysms, complex lower extremity revascularization including lower extremity bypasses and stenting, and carotid endarterectomy. She is skilled in both open and endovascular surgery for the treatment of aortic and peripheral disease. She is also accomplished in clinical research with over 130 peer-reviewed publications and numerous textbook chapters; her research interests include clinical outcomes in aneurysm repair and lower extremity revascularization, as well as high-value care in vascular surgery. A distinguished fellow of the American Board of Surgery, Dr. Hicks is the recipient of the Department of Surgery Rothman Early Career Development Award for Surgical Research and was selected as a Visiting Scholar to the American Board of Medical Specialties for 2018-2019. She is also an appointed member of a CMS Clinical Expert Subcommittee tasked with refining peripheral vascular disease cost measures for implementation in the Quality Payment Program. LinkedIn https://www.linkedin.com/in/caitlin-hicks-b211b617/. Dr. Hicks is rated as a Distinguished provider by MediFind in Stent Placement. Her top areas of expertise are Carotid Artery Disease, Peripheral Artery Disease, Thoracic Aortic Aneurysm, Carotid Artery Surgery, and Aneurysm Repair.

Gastroenterologist Saowanee Ngamruengphong specializes in the endoscopic diagnosis and management of gastrointestinal malignancies, premalignant and malignant lesions in the gastrointestinal tract (e.g., early gastric cancer, Barrett's esophagus-associated neoplasia), esophageal cancer, colon polyps or early colorectal cancer, and pancreatic and biliary disease. Dr. Ngamruengphong earned a medical degree from Chulalongkorn University and completed residency training at the Texas Tech University Health Sciences Center. She undertook fellowship training in gastroenterology at the Mayo School of Graduate Medical Education and further fellowship training in therapeutic endoscopy at The Johns Hopkins Hospital. Her research interests include endoscopic resection and the management of precancerous or cancerous gastrointestinal lesions. Dr. Ngamruengphong is a member of several professional organizations, including the Thai Medical Council, the American College of Gastroenterology and the American Gastroenterological Association. Videos Endoscopic Submucosal Dissection (ESD) — Eileen’s Story Recent News Articles and Media Coverage A Rare, Stomach-Saving Endoscopic Procedure, Inside Tract (Spring 2021) Case Presentation: ESD-TAMIS, Inside Tract (Spring 2019) Innovative Approaches to Colorectal Surgery Benefit Patients, Surgery (Winter 2019) For Colorectal Polyps: Early Detection and Minimally Invasive Endoscopic Resection, Inside Tract (Winter, 2019) The Cutting Edge of Endoscopic Resection, Inside Tract (Spring, 2017) Stomach Cancer: Know Your Risks & Treatment Options, Johns Hopkins Surgery (4/26/2017). Dr. Ngamruengphong is rated as an Advanced provider by MediFind in Stent Placement. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

Vikesh Singh is a gastroenterologist who specializes in pancreatology and pancreaticobiliary endoscopy. He evaluates and treats patients with inflammatory diseases of the pancreas, including acute and chronic pancreatitis and autoimmune pancreatitis as well as the complications of these diseases. After earning his medical degree from the Johns Hopkins University School of Medicine, Dr. Singh remained at Johns Hopkins to complete residency training in internal medicine. He pursued fellowship training in gastroenterology at Brigham and Women’s Hospital, and earned a master’s degree in epidemiology from the Harvard T. H. Chan School of Public Health. He then returned to Johns Hopkins, where he completed a two-year advanced endoscopy fellowship with a focus on pancreaticobiliary endoscopy. Dr. Singh has been on the faculty at Johns Hopkins since 2008, and rose to the rank of professor in 2021. His research interests include acute and chronic pancreatitis, autoimmune pancreatitis, exocrine pancreatic insufficiency, and novel methods to evaluate and treat abdominal pain. Dr. Singh is a member of the board of directors of the National Pancreas Foundation, chair of the Pancreatic Disorders Section of the American Gastroenterological Association, a councilor for the International Association of Pancreatology and a member of the inaugural medical advisory board for the Familial Chylomicronemia Syndrome Foundation. Dr. Singh is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Exocrine Pancreatic Insufficiency, Hereditary Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Endoscopy.

Anthony Kalloo is a professor of medicine with special interests in natural orifice translumenal endoscopic surgery, therapeutic endoscopy and sphincter of Oddi dysfunction. After receiving his medical degree at the University of the West Indies Medical School, Dr. Kalloo interned at Port of Spain General Hospital in Trinidad and performed his internal medicine residency at Howard University Hospital in Washington, D.C., where he was also chief resident. He completed fellowship training at the combined Georgetown University, Veterans Affairs Medical Center and National Institutes of Health program. Dr. Kalloo was an instructor of medicine at Georgetown University prior to joining the Johns Hopkins faculty in 1988. He was director of the Johns Hopkins Division of Gastroenterology and Hepatology from 2005–2020, and was an associate editor of Gastrointestinal Endoscopy. In 2009, Dr. Kalloo was recognized by the American Society for Gastrointestinal Endoscopy as the Distinguished Educator of the Year. In 2014, he received the Endoscopy Award from the German Society for Endoscopy for outstanding research and contribution in the field of endoscopy. In 2015, he received the BJ Vakil Oration from the Society of Gastrointestinal Endoscopy of India, which is bestowed on an international expert for his contribution to the field of gastrointestinal endoscopy. He has authored over 200 peer-reviewed publications and has more than 100 patents, including the use of botulinum toxin in the gastrointestinal tract, endoscopic cryotherapy and the winged biliary/pancreatic stent, as well as others related to natural orifice surgery. He is the pioneer of natural orifice translumenal endoscopic surgery, a technique that will enable abdominal surgery without the use of incisions. In 2015, he became a member of the inaugural chapter of the National Academy of Inventors at The Johns Hopkins University. This group represents the top 3% of all faculty inventors since 1969, and the top 1.5% of active Johns Hopkins faculty. Dr. Kalloo is a past panel chair for gastroenterology and urology devices with the United States Food and Drug Administration. He aims to advance the understanding, diagnosis, treatment and prevention of gastrointestinal and liver disease through patient care, education and research. Dr. Kalloo is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy.

Dr. Bruce Perler completed his internship and residency in general surgery, and a clinical and research fellowship in vascular surgery, at the Massachusetts General Hospital in Boston. Dr. Perler had edited several textbooks including Vascular Intervention: A Clinical Approach, Advances in Vascular Surgery, and Rutherfords Vascular Surgery. He is currently the Co-Editor of Rutherford's Textbook of Vascular Surgery and Endovascular Therapy, 9th edition. He has authored nearly 200 peer-reviewed medical journal articles and textbook chapters on the diagnosis and treatment of the entire spectrum of circulatory diseases. He serves on the Editorial Boards of several vascular surgical journals, and has most recently served as the Senior Editor of The Journal of Vascular Surgery, the Journal of Vascular Surgery: Venous and Lymphatic Disorders, and the Journal of Vascular Surgery Cases. He has delivered more than 200 lectures at national and international symposia and postgraduate courses. He serves on the Board of Directors of the Society for Vascular Surgery, and is past president of the Eastern Vascular Society the Southern Association for Vascular Surgery, and the Chesapeake Vascular Society. He also is the immediate past president of the Society for Vascular Surgery, the largest vascular surgical organization in the world with more than 5,400 members. In December 2015, he was named Associate Executive Director for Vascular Surgery of the American Board of Surgery (ABS). In this position, Dr. Perler oversees all ABS activities associated with vascular surgery assessment and board certification. He will continue to work at Johns Hopkins, both practicing vascular and endovascular surgery and in his departmental administrative position, while fulfilling this role at the ABS. “Dr. Perler’s vast experience in vascular surgery education will be a tremendous asset as we seek to continuously improve our certification and MOC processes for vascular surgeons,” said Dr. Frank R. Lewis, executive director of the American Board of Surgery at the time of the announcement. “We look forward to the contributions Dr. Perler will bring to the ABS.”. Dr. Perler is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Carotid Artery Disease, Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Carotid Artery Surgery, and Stent Placement.

L. Fernando Gonzalez, M.D., is a cerebrovascular neurosurgeon trained in both open vascular surgery and minimally invasive endovascular approaches. He treats patients with vascular blockages, malformations and ruptures in the brain and spine, including aneurysms, strokes and arteriovenous malformations. He also specializes in delivering chemotherapy through the arteries of the brain for treatment of certain eye cancers, such as retinoblastomas — the most common eye cancer in children — and lacrimal gland carcinomas. Dr. Gonzalez sees patients at The Johns Hopkins Hospital and Johns Hopkins Bayview Medical Center. Dr. Gonzalez earned his medical degree from Pontificia Universidad Javeriana in Bogota, Colombia, where he also completed residency training in neurosurgery. He completed a neurosurgery research fellowship at Barrow Neurological Institute in Phoenix, Arizona, with a focus on skull base, vascular and microanatomy microsurgery. Dr. Gonzalez continued his training at Barrow by completing a second residency, during which he pursued additional fellowships in spine surgery, endovascular neurosurgery, and cerebrovascular and skull base surgery. Dr. Gonzalez is widely published in his field and actively pursues novel approaches to treatment. He invented an aspiration catheter with an attached guidewire, and a surgical retractor for minimally invasive brain surgery. He is also a co-inventor of a direct cerebral cooling device that allows clinicians to decrease cerebral temperature to protect the brain when needed after cardiac arrest, severe trauma or large strokes. Videos Meet Our Expert: L. Fernando Gonzalez, M.D.Cerebrovascular Neurosurgery. Dr. Gonzalez is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Brain Aneurysm, Subarachnoid Hemorrhage, Stroke, Stent Placement, and Transmyocardial Revascularization.

Dr. Abularrage specializes in vascular and endovascular surgery, with a specific interest in minimally invasive techniques for lower extremity peripheral arterial disease and aneurysm repair. His clinical interests include limb preservation, Diabetic peripheral arterial disease and limb salvage, aortic aneurysms, endovascular aneurysm repair, visceral stents and bypass, and carotid stents and carotid endarterectomy. Dr. Abularrage is an active researcher within the department and has published widely on outcomes research using large, national databases. Recently, Dr. Abularrage and his team have published their outcomes of patients treated in the Multidisciplinary Diabetic Foot & Wound Clinic, showing significantly lower amputation rates compared to national benchmarks. Dr. Abularrage is a distinguished fellow to the Society of the American Board of Surgery, and recipient of the Zehner Award and the R. Clement Darling, Jr. Award. He is nationally renowned for his work in Diabetic peripheral arterial disease and limb preservation. Dr. Abularrage is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Peripheral Artery Disease, Carotid Artery Disease, Thoracic Aortic Aneurysm, Carotid Artery Surgery, and Stent Placement.

Dr. Abhay Moghekar focuses on disorders of cerebrospinal fluid physiology like normal pressure hydrocephalus, obstructive hydrocephalus, congenital hydrocephalus, pseudotumor cerebri, CSF otorhhea, CSF rhinorrhea, intracranial hypotension due to spinal CSF leaks and peri-operative management of patients undergoing repair of CSF otorrhea and rhinorrhea. His research interests include identifying biomarkers of neurodegenerative disorders including Alzheimer's disease and Normal Pressure Hydrocephalus. Dr. Moghekar is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Increased Intracranial Pressure, Hydrocephalus, Pseudotumor Cerebri Syndrome, Stent Placement, and Gastrostomy.

Seemant Chaturvedi is a Neurologist in Baltimore, Maryland. Dr. Chaturvedi is rated as a Distinguished provider by MediFind in Stent Placement. His top areas of expertise are Stroke, Transient Ischemic Attack (TIA), Obstructive Sleep Apnea, Thrombectomy, and Stent Placement. Dr. Chaturvedi is currently accepting new patients.

Dr. Philippe Gailloud is an Associate Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science, Department of Neurology and Department of Neurological Surgery. Among his main areas of specialization are the development of interventional techniques, the percutaneous treatment of brain, spinal cord, and spine lesions, and the anatomy and embryology of the cerebral vasculature. Besides the diagnosis and treatment of cerebrovascular diseases in adult patients, Dr. Gailloud also focuses on the management of neurovascular disorders in children. Dr. Gailloud received his medical degree from the University of Geneva, Switzerland, in 1991, and completed his residency in diagnostic and interventional radiology at Geneva University Hospital in 1998. He completed a research fellowship in morphology at the University of Geneva in 1994, and clinical fellowships in diagnostic and interventional neuroradiology at Johns Hopkins. He joined the Johns Hopkins faculty in 2000. Dr. Gailloud has published more than 250 peer-reviewed scientific publications and 25 book chapters on a wide range of topics related to diagnostic and interventional neuroradiology. Dr. Gailloud is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Arteriovenous Malformation, Brain Aneurysm, Stroke, Stent Placement, and Liver Embolization.

Gaurav Lakhanpal is a Cardiologist in Annapolis, Maryland. Dr. Lakhanpal is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are May Thurner Syndrome, SVC Obstruction, Venous Insufficiency, Idiopathic Edema, and Stent Placement.

Wayne Olan is a Neuroradiologist and a Radiologist in Rockville, Maryland. Dr. Olan is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Brain Aneurysm, Stroke, Sacroiliac Joint Disease, Vertebroplasty, and Stent Placement. Dr. Olan is currently accepting new patients.

Aloke Finn is a Cardiologist in Rockville,, Maryland. Dr. Finn is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Atherosclerosis, Coronary Heart Disease, Pulmonary Hypertension, Angioplasty, and Percutaneous Coronary Intervention (PCI).

Dr. Caplan specializes in the treatment of cerebrovascular disorders of the brain, head, neck and spine, such as aneurysms, arteriovenous malformations, arteriovenous fistulas, moyamoya disease, carotid artery stenosis and stroke. He is dual fellowship trained in both open cerebrovascular neurosurgery and endovascular neurosurgery, allowing him to offer patients the full spectrum of the latest surgical and endovascular techniques in treating these diseases. Dr. Caplan also focuses on treating acoustic neuromas and other tumors of the skull base, including meningiomas. Dr. Caplan graduated with honors from the Johns Hopkins University with a degree in neuroscience, where he spent time in the Hunterian Neurological Surgery Research Laboratory. He then earned his medical degree from Harvard Medical School. He completed his neurosurgery residency at Johns Hopkins, along with fellowships in cerebrovascular neurosurgery and endovascular neurosurgery, also at Johns Hopkins. He then completed an additional fellowship in endovascular neurosurgery at the University of Miami before returning to join the Johns Hopkins faculty. Dr. Caplan is rated as an Experienced provider by MediFind in Stent Placement. His top areas of expertise are Brain Aneurysm, Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Thrombectomy, and Carotid Artery Surgery.

Courtenay Holscher, M.D., Ph.D. is a vascular surgeon in Baltimore, MD at Johns Hopkins Bayview Medical Center, and an Assistant Professor of Surgery at the Johns Hopkins University School of Medicine. Dr. Holscher performs all vascular and endovascular surgical procedures, but has a special interest in limb preservation and peripheral arterial disease and taking a patient-centered approach to treatment and management. Dr. Holscher earned her medical degree at the University of Colorado School of Medicine. She completed a residency in general surgery followed by a fellowship in vascular surgery and endovascular therapy at the Johns Hopkins University School of Medicine. During her general surgery residency, Dr. Holscher received a Ph.D. in Clinical Investigation from the Johns Hopkins Bloomberg School of Public Health. Videos Meet Our Experts - Dr. Courtenay Holscher. Dr. Holscher is rated as an Experienced provider by MediFind in Stent Placement. Her top areas of expertise are Carotid Artery Disease, Thoracic Outlet Syndrome, Peripheral Artery Disease, Kidney Transplant, and Nephrectomy.

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 Experienced provider by MediFind in Stent Placement. His top areas of expertise are Bile Duct Obstruction, Ascites, Jaundice, Liver Embolization, and Bone Graft.

Marcia (Mimi) Canto, M.D., M.H.S. is a Professor of Medicine at The Johns Hopkins University School of Medicine. She is also the Director of Endoscopy at the Johns Hopkins Hospital. Dr. Canto received her Bachelor of Science degree from the University of the Philippines in Manila in 1981 (summa cum laude). She received her Doctor of Medicine degree in 1985 from the University of the Philippines and completed her training in Internal Medicine from State University of New York Sciences Center in Brooklyn, Brooklyn, New York. Dr. Canto completed a postdoctoral fellowship in Gastroenterology-Hepatology at The Johns Hopkins University School of Medicine and received a Master of Health Science in Clinical Epidemiology from The Johns Hopkins University School of Hygiene and Public Health in 1993. Dr. Canto came back to Johns Hopkins after spending three years at Case Western Reserve University in Cleveland, Ohio for advanced endoscopic training. Her primary clinical interests include endoscopy, particularly the use of endoscopic ultrasound (EUS) in detecting early pancreatic cancer and its precursors. She has recently shown that endoscopic ultrasound can be used to detect asymptomatic precancerous lesions in patients with a family history of pancreatic cancer. Dr. Canto is rated as an Experienced provider by MediFind in Stent Placement. Her top areas of expertise are Barrett Esophagus, Familial Pancreatic Cancer, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy.

Dr. Shin specializes Barrett's esophagus, pancreatobiliary disease (pancreatic cyst, family history of pancreatic cancer), GI malignancy, and advanced endoscopy, including endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS). Dr. Shin is rated as an Experienced provider by MediFind in Stent Placement. Her top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Bile Duct Stricture, Endoscopy, and Pancreaticoduodenectomy.