1-800-TEMPLE-MED

Medical Team

Medical Team - Digestive Disease Specialists & Gastrointestinal Surgeons

With a nationally-recognized medical staff of digestive disease specialists and GI surgeons, the Temple Digestive Disease Center team of doctors has earned a reputation for excellence and innovative care, due in part to its successful treatment of unusual and difficult cases.

Gastroenterology

Frank K. Friedenberg, MD
Section Chief of Gastroenterology

CLINICAL INTERESTS: Inflammatory bowel disease; colon cancer screening; therapy for pseudomembranous colitis

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If you would like to schedule an appointment with Dr. Friedenberg, click here.


Abdullah M. S. Al-Osaimi, MD, FACP, FACG, AGAF
Professor of Medicine, Lewis Katz School of Medicine at Temple University

CLINICAL INTERESTS: Novel non-invasive techniques for assessing liver fibrosis including fibrocyte levels and magnetic resonance spectroscopy; fatty liver disease; treatment of Hepatitis C in the pre- and post-transplant setting

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If you would like to schedule an appointment with Dr. Al-Osaimi, please click here.

Paul J. Bandini, M.D.Paul J. Bandini, MD

CLINICAL INTERESTS: Inflammatory bowel disease; liver and biliary tract problems; peptic ulcer disease

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If you would like to schedule an appointment with Dr. Bandini, click here.


Charles P. Bongiorno, MD

CLINICAL INTERESTS: Diagnosis and treatment of gastrointestinal disorders, including Crohn's disease, ulcerative colitis, celiac disease, reflux disease, ulcers, irritable bowel syndrome and diverticular
disease as well as swallowing disorders; diseases of the pancreas, gallbladder, bile duct, and liver

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If you would like to schedule an appointment with Dr. Bongiorno, click here.

Adam C. Ehrlich, MD, MPH
Co-Medical Director, Inflammatory Bowel Disease Program, Temple University Hospital

CLINICAL INTERESTS: Inflammatory bowel disease, Crohn's disease, ulcerative colitis

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If you would like to schedule an appointment with Dr. Ehrlich, click here.



 Stephen J. Heller, MD
Director of Gastrointestinal Endoscopy
Professor, Medicine, Lewis Katz School of Medicine at Temple University


CLINICAL INTERETS: Endoscopic diagnosis and treatment of premalignant and malignant gastrointestinal tumors, endoscopic treatment of Barrett’s esophagus

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If you would like to schedule an appointment with Dr. Heller, click here.

Brenda J. Horwitz, MD

CLINICAL INTERESTS: Irritable bowel syndrome; functional gastrointestinal disorders; women’s issues in gastroenterology; acid/peptic disorders; viral hepatitis

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If you would like to schedule an appointment with Dr. Horwitz, click here.


Benjamin Krevsky, MD, MPH

CLINICAL INTERESTS: Gastrointestinal malignancies, especially esophageal and colon cancers; motor disorders of the gastrointestinal tract, especially constipation and fecal incontinence; capsule endoscopy; endoscopic laser therapy and ablative therapy for Barrett’s esophagus; hemorrhoid therapy

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If you would like to schedule an appointment with Dr. Krevsky, click here.

Woo Jung Jay Lee, MB, BCh, BAO

CLINICAL INTERESTS: Hepatobiliary diseases, Pancreaticobiliary diseases, Large polyp EMRs, Gastrointestinal malignancies

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If you would like to schedule an appointment with Dr. Lee, click here.


Harvey M. Licht, M.D.Harvey M. Licht, MD

CLINICAL INTERESTS: General gastrointestinal diseases; gastroesophageal reflux disease; inflammatory bowel disease; colon cancer screening

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If you would like to schedule an appointment with Dr. Licht, click here.



Zubair Malik, MD

CLINICAL INTERESTS: Advanced endoscopic techniques, GI motility, Barrett’s esophagus, Achalasia, Eosinophilic esophagitis, gastroparesis, GERD

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If you would like to schedule an appointment with Dr. Malik, click here.


Henry P. Parkman, M.D.Henry P. Parkman, MD
Director, GI Motility Laboratory

CLINICAL INTERESTS: Neuromuscular control of gastrointestinal motor function; motor disorders of the esophagus, stomach and small intestine; muscles of the GI tract; the effect of autonomic dysfunction on the GI tract; gastroparesis; functional dyspepsia; achalasia; noncardiac chest pain; gastroesophageal reflux disease; irritable bowel syndrome; chronic constipation

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If you would like to schedule an appointment with Dr. Parkman, click here.

Lee Peng, MD, PhD
Chief, Division of Hepatology and Medical Director of Liver Transplantation, Temple University Hospital
Associate Professor of Medicine, Lewis Katz School of Medicine at Temple University

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If you would like to schedule an appointment with Dr. Peng, please click here.


Robin D. Rothstein, MD
Co-Medical Director, Inflammatory Bowel Disease Program, Temple University Hospital

CLINICAL INTERESTS: Inflammatory bowel disease (Crohn's disease, ulcerative colitis), celiac sprue, diarrheal illnesses, microscopic colitis

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If you would like to schedule an appointment with Dr. Rothstein, click here.

Ron Schey, MD, FACG

CLINICAL INTERESTS: Acid reflux/ulcer, Barrett's Esophagus, esophageal/swallowing disorders, non-cardiac chest pain, eosinophilic esophagitis, gastric motility disorder, gastroparesis, bowel disorders, constipation

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If you would like to schedule an appointment with Dr. Schey, click here.


Mina Shaker, MD, MSc

CLINICAL INTERESTS: Transplant hepatology, Nonalcoholic fatty liver diseases, Hepatolcellular carcinoma, Cholestatic liver diseases

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If you would like to schedule an appointment with Dr. Shaker, click here.


Gastrointestinal and Bariatric Surgery

Howard M. Ross, MD, FACS, FASCRS
Chief, Division of Colorectal Surgery
Surgical Director, Digestive Disease Center, Temple University Hospital

CLINICAL INTERESTS: Colon resection for colon cancer, rectal cancer and polyps; surgical treatment of ulcerative colitis and Crohn’s disease; ostomy and wound care; treatment of common anorectal diseases

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If you would like to schedule an appointment with Dr. Ross, click here.

Abbas E. Abbas, MD, MS
Chief of Thoracic Surgery, Temple University Hospital

CLINICAL INTERESTS: Diseases of the lung, tracheobronchial tree, esophagus, mediastinum and chest wall. Expertise in thoracic surgical oncology, robotic and other minimally invasive thoracic techniques, advanced bronchoscopic and esophageal endoscopy, lung volume reduction surgery, thymectomy, hiatal hernia repair, and special procedures for benign esophageal disease and other thoracic conditions

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VIDEO: Abbas Abbas, MD - Robotic Surgery for Esophageal Cancer

If you would like to schedule an appointment with Dr. Abbas, click here.

Tatyan M. Clarke, MD

CLINICAL INTERESTS: Bariatric surgery including minimally invasive techniques and open gastric bypass; gastrointestinal surgery; laparoscopic hernia surgery

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Michael A. Edwards, MD, FACS
Director, Bariatric Surgery, Lewis Katz School of Medicine at Temple University

CLINICAL INTERESTS: Minimally invasive (laparoscopic) bariatric surgery, solid organ surgery (adrenalectomy, spleenectomy), esophageal and gastric surgery, gastric electrical neurostimulator placement for gastroparesis, simple and complex hernia surgery, and basic open and laparoscopic general surgery; clinical, psychological and dietary outcomes following obesity surgery

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If you would like to schedule an appointment with Dr. Edwards, click here.

Matthew M. Philp, MD
Assistant Professor of Clinical Surgery, Temple University School of Medicine

CLINICAL INTERESTS: Sphincter-sparing surgery for rectal cancer, treatment of complex anal fistulas, surgical treatment of hemorrhoidal disease, colonoscopy for advanced colorectal polyps, pouch surgery for ulcerative colitis

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If you would like to schedule an appointment with Dr. Philp, click here.

Rohit Soans, MD
Assistant Professor of Surgery, Lewis Katz School of Medicine at Temple University

CLINICAL INTERESTS: Minimally invasive (laparoscopic) bariatric surgery

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Eric Velazquez, MD, FACS
Assistant Professor, Clinical Surgery, Lewis Katz School of Medicine at Temple University

CLINICAL INTERESTS: General, minimally invasive, and bariatric surgery. His research interests include metabolic and bariatric surgery, robotic surgery, and abdominal wall reconstruction

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If you would like to schedule an appointment with Dr. Velazquez, click here.

Affiliated Medical Staff

Antonio Di Carlo, MD, CM, FACS, FRCSC
Chief of Abdominal Organ Transplant Surgery, Temple University Hospital

CLINICAL INTERESTS: Transplantation of liver, kidney, and pancreas; multivisceral transplant surgery; laparoscopic and single incision laparoscopic living donor nephrectomy and adrenalectomy; liver resection; biliary reconstruction, adrenal surgery

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Gary S. Cohen, M.D.Gary S. Cohen, MD
Interim Chair of Radiology and Radiologist-in-Chief, Temple University Hospital

CLINICAL INTERESTS: Vascular and Interventional Radiology

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Andreas Karachristos, MD, PhD, FACS

CLINICAL INTERESTS: Hepatobiliary and pancreatic surgery, general surgery on the end-organ failure patient

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Juhi Mittal, M.D.

CLINICAL INTERESTS: Colon cancer, rectal cancer, gastrointestinal stromal tumors, esophageal cancers, gastric cancers, pancreatic cancers, hepatobiliary cancers

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To schedule an appointment with a GI physician today, click here or call 1-800-TEMPLE-MED [1-800-836-7536].

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