The 20 Best Diarrhea Doctors Near Me in Dundalk, MD
Find the Top Diarrhea Experts and Specialists
STD Research Laboratory
Mark Donowitz is a Gastroenterologist practicing medicine in Baltimore, Maryland. Dr. Donowitz is rated as an Elite provider by MediFind in the treatment of Diarrhea. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Crohn's Disease, Short Bowel Syndrome, and Small Bowel Bacterial Overgrowth.
Clinical Chemistry Research Lab
Karen Kotloff is a Pediatrics provider practicing medicine in Baltimore, Maryland. Dr. Kotloff is rated as an Elite provider by MediFind in the treatment of Diarrhea. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Diarrhea, Malnutrition, Viral Gastroenteritis, and Neonatal Sepsis.
Johns Hopkins Bayview Medical Center
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 Diarrhea. She is also highly rated in 41 other conditions, according to our data. Her clinical expertise encompasses Achalasia, Stomach Cancer, Pancreatic Pseudocyst, Endoscopy, and Gastric Bypass. Dr. Ngamruengphong is board certified in American Board Of Internal Medicine.
Johns Hopkins Bayview Medical Center
Dr. Bulat joins Johns Hopkins from Tulane University, where he was director of the neurogastroenterology and motility service and director of the GI training program. He specializes in motility and functional disorders, with an emphasis on gastroparesis. He completed his master’s degree (neuroscience) and doctorate (physiology and pharmacology) in the area of smooth muscle function, as well as motility subspecialty training, at McMaster University. Dr. Bulat is an accomplished researcher and has authored several publications and book chapters in his field of interest. Dr. Bulat is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastroparesis, Gastric Dysmotility, Morning Sickness, Gastrectomy, and Endoscopy. Dr. Bulat is board certified in American Board Of Internal Medicine and Royal College Of Physicians And Surgeons Of Canada.
Johns Hopkins Bayview Medical Center
Graduated with honors from Baylor College of Medicine in 1978, Internship and Residency in Internal Medicine at the University of Alabama Teaching Hospitals (1979 - 1981), Masters of Business Administration from the Johns Hopkins Carey Business School in 2007. Private practice of Internal Medicine in Columbia, SC until joining faculty in the Division of Geriatric Medicine and Gerontology in 1995. Clinical concentration on caring for older adults with complex health needs in the office and hospital settings. Academic concentration on teaching, program development in education and clinical care. Roles in the Division included Fellowship Program Director (2003 - 2006), Clinical Director and Director of Education (2004 - 2008), Interim Director of the Division (2008 - 2009) and Director, Division of Geriatric Medicine and Gerontology. In 2020 became Executive Vice Chair for the Department of Medicine, Johns Hopkins University, and 2021 Director of the Department of Medicine for the Johns Hopkins Bayview Medical Center, both positions he holds currently. Videos Meet Our Expert: Dr. Samuel Christopher Durso Contact for Research Inquiries 5200 Eastern Avenue Mason F Lord Building Baltimore, MD 21224. Dr. Durso is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Acquired Ichthyosis, Dementia, Behcet Disease, and Glucocorticoid-Remediable Aldosteronism. Dr. Durso is board certified in American Board Of Internal Medicine.
Rubenstein Child Health Building
Maria Oliva is a Pediatric Gastroenterologist practicing medicine in Baltimore, Maryland. Dr. Oliva is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Gastrostomy, and Colonoscopy. Dr. Oliva is board certified in American Board Of Pediatrics.
The Johns Hopkins Hospital
Dr. Kawsar Talaat is an assistant scientist and holds a joint appointment in medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include infectious diseases and international health. Dr. Talaat earned her M.D. from the University of Washington School of Medicine. She completed her residency at the Medical College of Wisconsin and performed a fellowship in infectious diseases at the National Institutes of Health Warren Grant Magnuson Clinical Center. Her research interests include international health, vaccines, avian influenza, pandemic influenza and parasitology. Dr. Talaat is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Diarrhea, Shigellosis, Flu, and E Coli Enteritis. Dr. Talaat is board certified in American Board Of Internal Medicine and American Board Of Pediatrics.
JH Health Care & Surgery Center – White Marsh
Dr. Mullin is an associate professor of medicine at The Johns Hopkins University School of Medicine. Dr. Mullin has more than 30 years of clinical experience in the field of general gastroenterology. Dr. Mullin is a reviewer and also serves on the editorial board of numerous gastroenterology journals. Videos Hopkins at Home presents, A Woman's Journey: Is It Celiac Disease?. Dr. Mullin is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Small Bowel Bacterial Overgrowth, Diarrhea, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy. Dr. Mullin is board certified in American Board Of Internal Medicine.
Johns Hopkins Infusion - Care At Home
Raena Hariharan is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Hariharan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Hypertensive Heart Disease, Opioid Induced Constipation, Pediatric Myocarditis, and Renovascular Hypertension. Dr. Hariharan is board certified in American Board Of Internal Medicine.
Johns Hopkins Bayview Medical Center
Susrutha Kotwal, MD, is an Assistant Professor at the Johns Hopkins University School of Medicine. He completed his Doctorate of Medicine in 2006 from the University of Rajasthan in India. Dr. Kotwal was trained in Family Medicine at Guthrie/Robert Packer Hospital in Sayre, Pennsylvania. Following residency, he joined the Division of Hospital Medicine in July 2012 and completed a Hospital Medicine Fellowship in 2014. Dr. Kotwal serves as the HOME (Hospitalist Oriented Medical Education) Team Director for the Division of Hospital Medicine. Dr. Kotwal’s research interests and expertise are in Medical Education, Patient Safety, and Clinical Excellence. Dr. Kotwal co¬‐developed a Diagnostic Reasoning Curriculum for Internal Medicine Residents at Johns Hopkins Bayview which he now directs. Dr. Kotwal has been awarded the Scott Wright Research Award in Hospital Medicine and the Hospitalist Teaching Award by the Department of Medicine at Johns Hopkins. Nationally and regionally, Dr. Kotwal has presented his research work on Clinical Excellence at the Society of Hospital Medicine’s conferences. He has a wealth of knowledge in curriculum development and medical education. Dr. Kotwal is a Fellow of the Society of Hospital Medicine. Dr. Kotwal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Pellagra, Atypical Pneumonia, Diabetic Hyperglycemic Hyperosmolar Syndrome, Osmotic Demyelination Syndrome, and Endoscopy. Dr. Kotwal is board certified in American Board Of Family Medicine.
Johns Hopkins Bayview Medical Center
Dr. Jerome Gnanaraj is on the faculty at the Johns Hopkins University School of Medicine and is a hospitalist at Johns Hopkins Bayview Medical Center. His area of clinical expertise is internal medicine. He received his M.D. from Madurai Medical College and completed his residency at Yale-New Haven Hospital Saint Raphael Campus. Dr. Gnanaraj is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Pellagra, Diabetic Hyperglycemic Hyperosmolar Syndrome, Osmotic Demyelination Syndrome, Familial Neurocardiogenic Syncope, and Endoscopy. Dr. Gnanaraj is board certified in American Board Of Internal Medicine.
Patient First Maryland Medical Group PLLC
Victor Mcglaughlin is a primary care provider, practicing in Family Medicine in Baltimore, Maryland. Dr. Mcglaughlin is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Acute Cystitis, Hospital-Acquired Pneumonia, Atypical Pneumonia, and Pneumonia.
Johns Hopkins Outpatient Center
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 Diarrhea. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Cerebral Palsy, Gastroparesis, Orbital Cellulitis, and Sickle Cell Disease. Dr. Mixter is board certified in American Board Of Pediatrics and American Board Of Internal Medicine.
Woodholme Gastroenterology Assoc PA
April Tignor is a Gastroenterologist practicing medicine in Glen Burnie, Maryland. Dr. Tignor is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Hemorrhoids, Indigestion, Gastritis, Endoscopy, and Gastrectomy. Dr. Tignor is board certified in American Board Of Internal Medicine.
JH Health Care & Surgery Center – White Marsh
Zara Manuelyan is a gastroenterologist who treats patients with esophageal disorders, including Barrett’s esophagus, gastroesophageal reflux disease, eosinophilic esophagitis and celiac disease. She also performs colon cancer screening. Dr. Manuelyan has expertise in gastrointestinal motility and neurogastroenterology, with a special interest in achalasia and gastrointestinal scleroderma. After obtaining her medical degree at the American University of the Caribbean School of Medicine, Dr. Manuelyan completed her residency training in internal medicine at Nassau University Medical Center and a fellowship in gastroenterology and hepatology at the University of Texas Medical Branch School of Medicine. During her fellowship training, Dr. Manuelyan received The Don W. Powell Excellence in Scholarship Award and Marcel & Josephine Patterson prize for outstanding research in gastroenterology. She completed additional training in gastrointestinal motility and neurogastroenterology at the Johns Hopkins University School of Medicine. Dr. Manuelyan’s research interests include gastrointestinal bleeding risk assessment in pre- and post-left ventricular assist devices, motility disorders and pertinent testing methodologies. Her research has been published in peer-reviewed journals and presented at national conferences. She is a member of the American Gastroenterological Association and the American College of Gastroenterology. Research Summary gastrointestinal bleeding risk assessment in pre- and post-left ventricular assist devices, motility disorders and pertinent testing methodologies. Dr. Manuelyan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Lactose Intolerance, Small Bowel Bacterial Overgrowth, Diarrhea, and Bowel Incontinence. Dr. Manuelyan is board certified in American Board Of Internal Medicine.
Greater Dundalk Med CNTR
Diana Fertsch is a Pediatrics provider practicing medicine in Dundalk, Maryland. Dr. Fertsch is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Delayed Growth, Developmental Dysphasia Familial, Autism Spectrum Disorder, and Asthma in Children.
Active Day MD Inc.
Nicholas Bower is a primary care provider, practicing in Family Medicine in Dundalk, Maryland. Dr. Bower is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Tracheitis, Cellulitis, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C).
Office
Dana Simpler is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Simpler is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Scott Syndrome, Stormorken Syndrome, Cerebellum Agenesis Hydrocephaly, and Colorectal Cancer.
Patient First Maryland Medical Group PLLC
Melanie Mendoza is a primary care provider, practicing in Family Medicine in Baltimore, Maryland. Dr. Mendoza is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Bronchitis, Acute Cystitis, Tracheitis, and Atypical Pneumonia.
Firozvi And Associates MD PA
Pankaj Kheterpal is a primary care provider, practicing in Internal Medicine in Essex, Maryland. Dr. Kheterpal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Endoscopy.
Last Updated: 04/28/2026










