The 20 Best Gastrostomy Doctors in Maryland, US

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 a Distinguished provider by MediFind in Gastrostomy. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

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 Gastrostomy. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

Christine Gourin, M.D. M.P.H., is a head and neck surgical oncologist and palliative medicine specialist who treats patients with head and neck tumors, including tumors of the skin, melanoma, oral cavity, larynx, oropharynx, neck, salivary glands, sinuses, and skull base. Dr. Gourin received her medical degree from the State University of New York-Health Science Center at Brooklyn/Downstate Medical Center. Dr. Gourin trained in General Surgery and Otolaryngology-Head and Neck Surgery at the University of Vermont, followed by a fellowship in Advanced Head and Neck Oncologic Surgery at the University of Pittsburgh and a fellowship in Hospice and Palliative Medicine at Johns Hopkins University. She has authored over 200 peer-reviewed journal articles, 24 book chapters and two books: Medical and Surgical Management of Thyroid and Parathyroid Diseases and The Johns Hopkins Patient Guide to Head and Neck Cancer. She is on the Editorial Board of The Laryngoscope and is a reviewer for numerous other head and neck surgery journals. Dr. Gourin is a nationally and internationally recognized expert in quality of care and outcomes with a lifelong interest in improved symptom management, communication, access to high-quality affordable care, and palliative medicine in head and neck cancer. She has an active head and neck surgical oncology practice and has been named to America’s Top Physicians and Best Doctors in America annually since 2005. She is the Director of the Johns Hopkins Head and Neck Cancer Supportive Care Clinic. Dr. Gourin is rated as an Advanced provider by MediFind in Gastrostomy. Her top areas of expertise are Laryngeal Cancer, Throat Cancer, Tongue Cancer, Laryngectomy, and Gastrostomy.

Dr. Harry Quon is an associate professor of radiation oncology and molecular radiation sciences at the Johns Hopkins University School of Medicine. He also holds appointments in oncology and in otolaryngology - head and neck surgery. His area of clinical expertise is radiation treatment for head and neck cancers. He serves as the co-director of the Johns Hopkins Head and Neck Cancer Multidisciplinary Clinic. Dr. Quon received his M.D. from the University of Toronto Institute of Medical Science. He completed his residency at the Princess Margaret Hospital in Ontario and performed a fellowship in radiation oncology at the Princess Margaret Hospital and the Beth Israel Medical Center. Make A Gift. Dr. Quon is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Laryngeal Cancer, Throat Cancer, Dry Mouth, Gastrostomy, and Prostatectomy.

Naveen Gupta is a Gastroenterologist in Bethesda, Maryland. Dr. Gupta is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Gastrointestinal Bleeding, Gallstones, Choledocholithiasis, Endoscopy, and Gastrectomy.

Dr. J. Michael Collaco is a professor of pediatrics at the Johns Hopkins University School of Medicine. His clinical specialty is pediatric pulmonary medicine, including chronic lung disease of premature infants, lung disease in medically complex patients including ventilators and tracheostomies, hereditary hemorrhagic telangiectasia, aerodigestive disorders, and general pediatric pulmonary conditions. He sees patients inpatient and outpatient at Johns Hopkins (East Baltimore campus), inpatient and outpatient at Mount Washington Pediatric Hospital, and inpatient at Kennedy Krieger Institute. Dr. Collaco attended Yale University for undergraduate studies and received his M.D. and M.S. (Anatomy) from Case Western University School of Medicine in Cleveland, Ohio. He completed his pediatric residency, pediatric pulmonary fellowship, M.B.A., M.P.H., and Ph.D. (Clinical Epidemiology) at the Johns Hopkins University. Dr. Collaco joined the Johns Hopkins faculty in 2008. His primary research interest is in the epidemiology of pediatric respiratory diseases, with a focus on environmental risk factors for cystic fibrosis and bronchopulmonary dysplasia as well as a special interest in the effects of secondhand smoke and electronic cigarette emissions. He has published over 140 peer-reviewed articles. Dr. Collaco is a member of the Cystic Fibrosis Research Development Center and the Hereditary Hemorrhagic Telangiectasia Center of Excellence. He has been recognized by Johns Hopkins with the John C. Hume Scholarship, the Francis F. Schwentker Research Award, and the Robert Dyar Award. Dr. Collaco is a fellow of the American Academy of Pediatrics. Dr. Collaco is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Bronchopulmonary Dysplasia, Cystic Fibrosis, Pulmonary Hypertension, Pseudomonas Stutzeri Infections, and Gastrostomy.

Dr. Victor Urrutia serves as the medical director of the stroke service at The Johns Hopkins Hospital and director of the Sheikh Khalifa Stroke Institute. He focuses on the clinical aspects of cerebrovascular disease (stroke), specifically acute stroke therapy and prevention. Dr. Urrutia currently sees patients at the Stroke Prevention Clinic, located in the Johns Hopkins Outpatient Center in Baltimore on Wednesdays, and cares for patients in The Johns Hopkins Hospital's Brain Rescue Unit. Dr. Victor Urrutia received his medical degree from the University of Panama School of Medicine. He completed his neurology training at MCP Hahnemann University in Philadelphia, now Drexel University College of Medicine. After his residency training, he completed fellowship training in neurocritical care and acute stroke at Drexel University College of Medicine and became a faculty member in the neurocritical care and acute stroke division. He then returned to Panama for two years where he was the first to treat patients with IV thrombolytic therapy for acute stroke. Dr. Urrutia is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Stroke, Transient Ischemic Attack (TIA), Vertigo, Thrombectomy, and Gastrostomy.

Head and neck surgeon David Eisele specializes in surgery for malignant and benign tumors of the head and neck, with a focus on salivary gland neoplasms and disorders of the salivary glands that can be treated surgically. He is an expert in minimally invasive surgical approaches, including sialendoscopy. Salivary gland neoplasms and disorders are also the focus of Dr. Eisele’s research. He has published more than 300 research papers and edited multiple books related to head and neck surgery. Dr. Eisele earned a medical degree from Cornell University Medical College and completed residency training in general surgery and in otolaryngology–head and neck surgery at the University of Washington. From 2012 to 2025, he served as director of the Department of Otolaryngology–Head and Neck Surgery at the Johns Hopkins University School of Medicine. Dr. Eisele is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Salivary Duct Stones, Salivary Gland Tumors, Throat Cancer, Laryngectomy, and Gastrostomy.

Maie John is an Otolaryngologist in Baltimore, Maryland. Dr. John is rated as an Advanced provider by MediFind in Gastrostomy. Her top areas of expertise are Head and Neck Squamous Cell Carcinoma (HNSCC), Tongue Cancer, Melanoma, Glossectomy, 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 Gastrostomy. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Jaundice, Gastrostomy, and Liver Embolization.

Dr. Rafael Llinas serves as the Director of Neurology at the Johns Hopkins Bayview Medical Center. His clinical interests include acute stroke treatments, neurovascular imaging and migraine as related to cerebrovascular disease. He also serves as the associate director of the neurology residency program. He was instrumental in establishing the Johns Hopkins Bayview Medical Center Stroke Center. In 2005, in recognition of the Stroke Centers organizational efforts in stroke care, the institution was granted certification as a Primary Stroke Center by the Joint Commission on Accreditation of Healthcare Organizations. Dr. Llinas primary areas of research interests include diffusion-perfusion imaging of stroke, intravenous and intra-arterial thrombolysis for stroke, education of physicians and nurses in stroke identification and stroke care, stroke units and stroke centers. Dr. Rafael Llinas received his medical degree from the New York University School of Medicine. He completed a medical internship at the Boston City Hospital and was a neurology resident in the Harvard-Longwood neurology training program. Following his residency, he was a stroke and cerebrovascular disease fellow for two years at Beth Israel Hospital, Harvard University. Dr. Llinas is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Stroke, Cerebral Amyloid Angiopathy, Siderosis, Thrombectomy, and Gastrostomy.

Wayne Koch is a national and international leader in head and neck oncologic surgery, caring for patients with cancers of the oral cavity, salivary gland, larynx, hypopharynx, oropharynx and thyroid. Among Dr. Koch's landmark publications are studies demonstrating how key molecular events such as p53 mutation and human papillomavirus (HPV) contribute to the development of head and neck cancer. His peer-reviewed publications include six articles in the New England Journal of Medicine. Dr. Koch is also involved in humanitarian outreach focused on training surgeons in several African nations. He has served as president of the American Head and Neck Society, the national organization of head and neck cancer surgeons in the USA. Dr. Koch is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Head and Neck Squamous Cell Carcinoma (HNSCC), Tongue Cancer, Human Papillomavirus Infection, Laryngectomy, and Gastrostomy.

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 Gastrostomy. His top areas of expertise are Ascites, Familial Pancreatic Cancer, Small Cell Lung Cancer (SCLC), Liver Embolization, and Gastrostomy.

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 Gastrostomy. His top areas of expertise are Bile Duct Obstruction, Ascites, Jaundice, Liver Embolization, and Bone Graft.

Dr. Yarmus is a Professor of Medicine and Oncology and the director of Interventional Pulmonology at the Johns Hopkins University School of Medicine as well as the Vice Chair of Medicine for Strategy and Finance. He is an expert in the minimally invasive diagnosis and treatment of lung cancer and he leads the Interventional Pulmonary research program at Johns Hopkins with research investigating innovative minimally invasive device development and early-stage bronchoscopic treatments. He also has extensive experience in the minimally invasive management of malignant airway obstruction, complex airway management, pleural diseases and symptom relief with minimally invasive procedures such as indwelling pleural catheters and pleurodesis. Dr. Yarmus is a member of the Fleischner Society and a fellow of the American College of Chest Physicians and the American Thoracic Society. Dr. Yarmus is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Pleural Effusion, Lung Nodules, Lymphofollicular Hyperplasia, Endoscopy, and Advanced Bronchoscopy.

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 Gastrostomy. His top areas of expertise are Familial Pancreatic Cancer, Pancreatic Cancer, Bile Duct Obstruction, Vertebroplasty, and Bone Graft.

Peter Olivieri is an Intensive Care Medicine provider in Glen Burnie, Maryland. Dr. Olivieri is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Lung Nodules, Lung Cancer, Squamous Cell Lung Carcinoma, Gastrostomy, and Advanced Bronchoscopy.

Jason Heavner is an Intensive Care Medicine provider in Glen Burnie, Maryland. Dr. Heavner has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Pneumonia, Lung Metastases, Pleural Effusion, Gastrostomy, and Advanced Bronchoscopy.

Sudhir Dutta is a Gastroenterologist in Lutherville, Maryland. Dr. Dutta is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Gastrointestinal Bleeding, Choledocholithiasis, Hiatal Hernia, Colonoscopy, and Gastrectomy.

Usman Waheed is a General Surgeon in Randallstown, Maryland. Dr. Waheed is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Cellulitis, Peptic Ulcer, Necrosis, Gastrostomy, and Gallbladder Removal.