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 the treatment of Jaundice. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

April Tignor is a Gastroenterologist in Glen Burnie, Maryland. Dr. Tignor is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Hemorrhoids, Indigestion, Gastritis, Endoscopy, and Gastrectomy.

Dr. Georgiades earned a series of degrees (BSc-Mechanical Engineering, MS & PhD-Radiological Sciences and an MD). He received a 1-year training in Internal Medicine at Harvard and subsequently, completed subspecialty training at Johns Hopkins in Diagnostic and Interventional Radiology. He has been a full time faculty at Johns Hopkins since 2003 (except for a 3 year hiatus 2012-2015 when he set up a private practice overseas). He has held various positions including fellowship director, clinical director and was a member of many Departmental and Institutional committees. He is a prolific researcher with more than 100 manuscripts, more than 100 abstracts, 28 book chapters and numerous presentations at national and international fora. Dr. Georgiades is rated as an Advanced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Gastrostomy.

Dr. Robert Liddell is an Assistant Professor of Radiology and Surgery and Division Chief of Interventional Radiology at the Johns Hopkins School of Medicine. His specialty is interventional radiology, with an expertise in interventional oncology and vascular and interventional radiology. Dr. Liddell received his MBBCh at the Royal College of Surgeons in Ireland. He completed his residency at Johns Hopkins University School of Medicine in Diagnostic Radiology and his fellowship in Interventional Radiology. Videos Interventional Radiology. Dr. Liddell is rated as an Advanced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Bile Duct Obstruction, Ascites, Fibrolamellar Carcinoma, Liver Embolization, and Pancreaticoduodenectomy.

Dr. Elie Portnoy is an Assistant Professor of Radiology and Radiological Science in the Johns Hopkins Medicine Interventional Radiology Department and Diagnostic Imaging Department at Johns Hopkins Hospital. Dr. Portnoy received his undergraduate degree, Summa Cum Laude, in Biology from Yeshiva University. He earned his medical degree from NYU School of Medicine with Alpha Omega Alpha. Dr. Portnoy is rated as an Advanced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Liver Embolization, and Gastrostomy.

Dr. Lemore Carmi is an Assistant Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Sciences. She specializes in interventional radiology. Dr. Carmi received her M.D. from Drexel University in 2003, and performed a residency in diagnostic radiology at the Hahnemann University Hospital in 2008. She completed a fellowship in interventional radiology at The Johns Hopkins Hospital in 2009, and then joined the Johns Hopkins faculty. Dr. Carmi is rated as an Advanced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Jaundice, Gastrostomy, and Liver Embolization.

Calvin Parker is a Gastroenterologist in Glen Burnie, Maryland. Dr. Parker is rated as an Advanced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Diverticular Disease, Indigestion, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

Mukul Khandelwal is a Gastroenterologist in Elkridge, Maryland. Dr. Khandelwal is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy.

Peter Darwin is a Gastroenterologist in Baltimore, Maryland. Dr. Darwin is rated as a Distinguished provider by MediFind in the treatment of Jaundice. His top areas of expertise are Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Pancreatectomy.

Dr. Kelvin K. Hong is an Associate Professor and Executive Vice Chair of Radiology within the Johns Hopkins Department of Radiology. A specialist in interventional and vascular radiology, Dr. Hong serves as the Medical Director of the Johns Hopkins Interventional Radiology Center. Dr. Hong earned his medical degree from South Africa’s University Of Witwatersrand Medical School in Parktown. He completed a radiology residency at Parktown West’s College of Medicine/Radiology, as well as a cardiovascular/interventional radiology fellowship and diagnostic radiology residency at The Johns Hopkins Hospital. His areas of clinical expertise include bone, liver and soft-tissue tumors; chronic total occlusions; claudication; deep venous thrombosis; lung, esophageal and kidney cancer; peripheral arterial/vascular disease; renal artery/vascular disease; uterine fibroid tumors; varicocele; and vascular malformations and venous thromboembolism. Dr. Hong performs procedures that include radiofrequency ablation for lung, liver, kidney and bone lesions; transcatheter arterial chemoembolization for liver cancer; lower-extremity angioplasty and stenting; visceral angioplasty and stenting; embolization of uterine fibroid tumors; cryoablation for pain control; and percutaneous laser ablation of varicose veins. Dr. Hong served as editor for the book Percutaneous Tumor Ablation and contributed to Interventional Oncology: Principles and Practice. Dr. Hong is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Pancreaticoduodenectomy.

Dr. Peter Mogayzel is the Menowitz/Rosenstein Professor of Pediatric Respiratory Sciences at the Johns Hopkins University School of Medicine. His areas of clinical expertise include pediatric pulmonary medicine and the treatment of cystic fibrosis. He has served as the director of the Johns Hopkins Cystic Fibrosis Center since 2002. Dr. Mogayzel attended Brown University and received his M.D. and Ph.D. degrees from Boston University and an M.B.A. from Johns Hopkins University. He completed his pediatric residency at the University of Washington, and finished pediatric pulmonary and pediatric critical care fellowships at Johns Hopkins in 1998 before joining the faculty. His research interests include the regulatory properties of the CFTR gene, mucociliary clearance and development of new therapeutics for cystic fibrosis. Dr. Mogayzel has provided care for children with cystic fibrosis and has been active in the CF community since his arrival at Johns Hopkins. He served as Chairman of the Clinical Practice Guidelines for Pulmonary Therapies Committee and the Therapeutic Development Network Protocol Review Committee both of the Cystic Fibrosis Foundation. He is also a past Chairman of the Cystic Fibrosis Foundation Center Committee which accredits cystic fibrosis care centers in the US. He is currently a member of the Board of Directors of the Cystic Fibrosis Foundation. Dr. Mogayzel is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Pseudomonas Stutzeri Infections.

Dr. Shruti Paranjape attended the University of Pennsylvania and received her M.D. from the University of Pittsburgh. She completed her pediatrics residency and pediatric pulmonology fellowship at Children’s Hospital of Pittsburgh. She has served as the Assistant Director of the CF Center at Children’s Hospital of Pittsburgh. Her awards include the James Sutherland Award for Outstanding Research by a Young Investigator. Dr. Paranjape is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Jaundice.

Dr. Sara Mixter is Assistant Professor of Medicine and Pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise are internal medicine, pediatrics, and primary care for adults with developmental disabilities and other complex childhood-onset conditions. She is the director of the Hopkins PACT (Pediatric-informed Adult Care and Transition) Clinic. Dr. Mixter is also the medical director of the Pediatric Complex Care Collaborative (PC3) for the Johns Hopkins Children’s Center. Dr. Mixter received her A.B. from Harvard College. She earned her M.D. from Harvard Medical School and M.P.H. from the Harvard School of Public Health. She completed her residency at Johns Hopkins as part of the inaugural group of trainees in the Urban Health Combined Internal Medicine-Pediatrics Residency Program. Her research interests include transitions of care for adolescents with special healthcare needs and education for residents and medical students, especially in primary care and complex care. Dr. Mixter has served as the Assistant Chief of Service for the Longcope firm of the Osler Medical Housestaff Training Program (2015-16), as well as Assistant Program Director for Ambulatory Education (2014-15). Dr. Mixter is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Cerebral Palsy, Gastroparesis, Orbital Cellulitis, and Sickle Cell Disease.

Dr. Ma is an assistant professor of medicine at the Johns Hopkins University School of Medicine. She received her medical degree from the University of Michigan Medical School and completed her internal medicine residency at the University of Pennsylvania. Following her residency, she performed a fellowship in transplant hepatology at the Johns Hopkins University School of Medicine. Dr. Ma specializes in liver disorders including alcoholic liver disease, viral hepatitis, non-alcoholic fatty liver disease, metabolic liver disorders, as well as the care of patients after liver transplant. Dr. Ma also has interests in medical education and currently serves as the Associate Program Director of the Gastroenterology Fellowship. Dr. Ma is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Hepatitis, Cirrhosis, Hepatitis C, Endoscopy, and Gastrectomy.

Lori Vanscoy is a Pediatric Pulmonologist in Baltimore, Maryland. Dr. Vanscoy is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Jaundice.

Dr. Grafe (Gray) Lyons is a specialist in vascular and interventional radiology. His clinical focus is in the diagnosis and treatment of arterial and venous vascular disease and minimally-invasive, image-guided procedures. Dr. Lyons earned a B.S. from Davidson College and M.D. and Ph.D. degrees from Duke University in North Carolina. He completed internship in general surgery and residency in radiology at NewYork-Presbyterian Hospital/Weill Cornell Medicine in New York. He then completed fellowship in vascular and interventional radiology at the Miami Cardiac and Vascular Institute in Florida. Dr. Lyons joined the faculty at Johns Hopkins Medicine in 2019 as an Assistant Professor of Radiology and Radiological Science in the Division of Vascular and Interventional radiology. Dr. Lyons is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Mesenchymoma, Undifferentiated Pleomorphic Sarcoma, Bile Duct Stricture, Gastrostomy, and Liver Embolization.

Ahizechukwu C Eke, M.B. ChB., Ph.D., M.P.H., is a specialist in maternal-fetal medicine with areas of clinical and research expertise in medical and surgical complications of pregnancy with a focus on prediction and prevention of preterm birth, pharmacokinetics, pharmacodynamics, pharmacoepidemiology, pharmacogenomics, pharmacomicrobiomics, maternal-fetal medicine, multiple pregnancies, obstetric ultrasound and HIV in pregnancy. Dr. Eke earned his undergraduate degree from Federal Government College, Wukari, Taraba State, Nigeria, and his medical degree from the College of Medicine, University of Calabar, Nigeria. He completed two obstetrics and gynecology residencies – at the Nnamdi Azikiwe University Teaching Hospital, Nigeria (2005-2010) and at Michigan State University/Sparrow Hospital, which he completed in 2016, and then completed Maternal-Fetal Medicine and Clinical Pharmacology fellowships at the Johns Hopkins University School of Medicine in Baltimore, Maryland in 2019. He earned an MPH from the Harvard University School of Public Health in 2011, and a PhD in Clinical Investigation from the Johns Hopkins University School of Public Health Graduate Training Program in Clinical Investigation (GTPCI) in 2021. He joined the Johns Hopkins faculty in 2019. Dr. Eke serves on a number of national and international boards and committees. He is a member of Alpha Omega Alpha (AOA), Delta Omega Alpha (DOA), the American College of Obstetrics and Gynecology (ACOG), the American Medical Association (AMA), the American Society for Clinical Investigation (ASCI), the Society of Maternal-Fetal Medicine (SMFM), the American Public Health Association (APHA), the West African College of Surgeons (FWACS), and the Infectious Disease Society of Obstetrics and Gynecology. He currently serves on the Committee on Practice Bulletins (CPG) of ACOG, and is a member of the National Academies of Sciences, Engineering and Medicine (NASEM) committee on 'Developing a framework to address legal, ethical, regulatory, and policy issues for research specific to pregnant and lactating Persons'. Dr. Eke is an editorial board member of Obstetrics and Gynecology (the Green Journal) and the New England Journal of Medicine (NEJM Evidence). He is an active member of NIH study sections. Dr. Eke has published several articles in obstetrics and maternal-fetal medicine journals, and written numerous textbook chapters. He is a journal reviewer for several peer-reviewed journals in his specialty, including Obstetrics & Gynecology (Green Journal), American Journal of Obstetrics and Gynecology (Gray Journal), and the International Journal of Obstetrics and Gynecology. Dr. Eke is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are HIV/AIDS, Eclampsia, Endometritis, Salpingo-Oophorectomy, and Hysterectomy.

James Boothe is a primary care provider, practicing in Hospital Medicine in Baltimore, Maryland. Dr. Boothe is rated as an Experienced provider by MediFind in the treatment of Jaundice. His top areas of expertise are Jaundice and Cholecystitis.

Dr. Ana Kiess's clinical focus is on the treatment of prostate cancer and head and neck cancers with external beam radiotherapy and radiopharmaceutical therapies. Her research concentrates on the integration of new radiopharmaceutical therapies and dosimetry techniques into the clinic. Dr. Kiess received her bachelors of science degree in chemical engineering from the University of Virginia, after which she obtained a doctorate of medicine and a doctorate of philosophy degree in biomedical engineering from Duke University. Following medical school, she matriculated to the resident staff at Memorial Sloan Kettering Cancer Center, receiving extensive oncologic training and research experience. She also completed a postdoctoral research fellowship at Johns Hopkins University in the Department of Radiology. Make A Gift. Dr. Kiess is rated as an Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Prostate Cancer, Laryngeal Cancer, Throat Cancer, Gastrostomy, and Adenoidectomy.

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 Experienced provider by MediFind in the treatment of Jaundice. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.