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Photo of Dr. Michael Robert Marohn, DO

Marohn, Michael Robert, DO

Associate Professor of Surgery
Director, Minimally Invasive Surgery (MIS) Fellowship
Director, Minimally Invasive Surgery Training Center (MISTC)
Appointment Phone: 410-955-5464
Main Location: The Johns Hopkins Hospital
Expertise, Disease and Conditions: Achalasia, Adrenal Disorders, Adrenal Surgery, Bile Duct Injury, Bile Duct Surgery, Biliary Tract Surgery, Colitis, Ulcerative, Colon Cancer, Colon Surgery, Colonic Inertia, Colorectal Cancer, Colorectal Surgery, Crohn's Disease, Diverticulosis, Endocrine Diseases, Endocrine Oncology, Endocrine Surgery, Gallbladder Surgery, Gallstones, Gastroesophageal Reflux Disease, General Surgery, GERD Surgery, Hiatal Hernia, Inflammatory Bowel Disease, Minimally Invasive Surgery, Pancreatic Surgery, Pancreatic Tumors, Parathyroid Surgery, Periampullary Tumors, Rectal Surgery, Reflux and Burning, Robotic Surgery, Spleen Surgery, Thyroid Surgery
Photo of Dr. Gerard E Mullin, MD

Mullin, Gerard E, MD

Associate Professor of Medicine
Co-Director, JHH Nurse Practitioner Fellowship Program
Director, Celiac Disease Clinic 2012-
Director, JHH Integrative GI Nutrition Services 2006-present
Director, JHH Capsule Endoscopy Program 2005-present
Chair, JHH Nutrition Advisory Committee 2008-present
Expertise, Disease and Conditions: Clinical Gastroenterology, Gastroenterology, Inflammatory Bowel Disease, Integrative Medicine, Malabsorption, Neurogastroenterology, Nutrition, Weight Loss
Photo of Dr. Maria M Oliva-Hemker, MD

Oliva-Hemker, Maria M, MD

Professor of Pediatrics
Director of Ped. Gastroenterology & Nutrition
Appointment Phone: 410-955-8769
Main Location: Johns Hopkins Pediatric Specialty Clinic
Expertise, Disease and Conditions: Gastrointestinal Diseases, Inflammatory Bowel Disease, Pediatric Gastroenterology
Photo of Dr. Alyssa Maria Parian, MD

Parian, Alyssa Maria, MD

Assistant Professor of Medicine
Appointment Phone: 410-550-0790
Main Location: Johns Hopkins Bayview Medical Center
Expertise, Disease and Conditions: Clostridium Difficile, Crohn's Disease, Diarrhea, Gastroenterology, Inflammatory Bowel Disease, Microscopic colitis, Proctitis, Ulcerative Colitis
Photo of Dr. William J Ravich, MD

Ravich, William J, MD

Clinical Director, Swallowing Center
Appointment Phone: 410-616-2840
Main Location: Johns Hopkins Medicine - Green Spring Station
Expertise, Disease and Conditions: Abdominal Pain, Achalasia, Barrett's Esophagus, Colon Cancer, Colon Polyps, Constipation, Crohn's Disease, Diarrhea, Diverticulitis, Duodenal ulcer, Eosinophilic Esophagitis, Esophageal Cancer, Gastric ulcer, Gastroenterology, Gastroesophageal Reflux Disease, Heartburn, Inflammatory Bowel Disease, Malabsorption, Microscopic colitis, Peptic Ulcer, Reflux Esophagitis, Swallowing Disorders, Ulcerative Colitis, Zenker's diverticulum
Photo of Dr. Bashar Safar, MBBS

Safar, Bashar, MBBS

Assistant Professor of Surgery
Appointment Phone: 443-997-1508
Main Location: The Johns Hopkins Hospital
Expertise, Disease and Conditions: Colon and Rectal Surgery, Colon Cancer, Colon Polyps, Colon Surgery, Colorectal Surgery, Crohn's Disease, Diverticulitis, Diverticulosis, General Surgery, Inflammatory Bowel Disease, Rectal Cancer, Rectal Surgery, Ulcerative Colitis
Photo of Dr. Florin Marian Selaru, MD

Selaru, Florin Marian, MD

Assistant Professor of Medicine
Assistant Professor of Oncology
Appointment Phone: 410-933-7495
Main Location: The Johns Hopkins Hospital
Expertise, Disease and Conditions: Cholangiocarcinoma, Clinical Gastroenterology, Colitis, Crohn's Disease, Diarrhea, Digestive Diseases, Gastroenterology, Inflammatory Bowel Disease, Proctitis, Sclerosing Cholangitis, Ulcerative Colitis
Photo of Dr. Brindusa Truta, MD

Truta, Brindusa, MD

Assistant Professor of Medicine
Expertise, Disease and Conditions: Crohn's Disease, Gastroenterology, Inflammatory Bowel Disease, Ulcerative Colitis
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