Faculty 

Personal Bio

Wahid Wassef, MD, MPH, FACG

Wahid Wassef, MD, MPH, FACG

Program Director
Chief, Division of Gastroenterology and Hepatology, U of A College of Medicine – Phoenix
Medical Director, Digestive Diseases and Endoscopy, Banner – University Medical Center Phoenix

Medical School: Boston University Medical Center
Gastroenterology Fellowship: Rhode Island Hospital in the Brown University School of Medicine system
Pacreatico-Biliary Fellowship: Rhode Island Hospital in the Brown University School of Medicine system

Kevin Liu

Kevin Liu, MD

Associate Program Director

Medical School: Northwestern University, Feinberg School of Medicine
Internal Medicine Residency: Northwestern University, Feinberg School of Medicine
Gastroenterology Fellowship: Northwestern University, Feinberg School of Medicine
Advanced Endoscopy Fellowship: Northwestern University, Feinberg School of Medicine

Rawad Mounzer, MD
Rawad Mounzer, MD

Medical School: American University of Beirut
Internal Medicine Residency: University of Pittsburgh Medical Center
Gastroenterology Fellowship: University of Pittsburgh Medical Center, University of Colorado Health Sciences Center
Specialties: Endoscopic ultrasound, ERCP, endoscopic mucosal resection, radio frequency ablation, balloon-assisted enteroscopy, endoscopic submucosal dissection

Teodor Pitea, MD|
Teodor Pitea, MD

Medical School: Iuliu Hatieganu University of Medicine and Pharmacy
Internal Medicine Residency: Winthrop-University Hospital
Gastroenterology Fellowship: St. Luke's Roosevelt Hospital Center
Specialties: EUS, ERCP, colonoscopy, endoscopic mucosal resection, EGD, radio frequency ablation, endoscopic myotomy, endoscopic Zenker's Diverticulectomy, pancreatic endo-therapy, ESWL for pancreatic stones, balloon enteroscopy

Aravind Sugumar
Aravind Sugumar, MD

Medical School: Raja Muthia Medical School
Graduate School: Harvard School of Public Health
Internal Medicine Residency: University of Texas Medical Branch
Gastroenterology Fellowship: Mayo Clinic
Pancreatology Fellowship: Mayo Clinic
Advanced Therapeutic Endoscopy Fellowship: Cleveland Clinic Foundation

Shivakumar Vignesh, MD
Shivakumar Vignesh, MD

Professor, Internal Medicine, U of A College of Medicine – Phoenix
Section Chief, Interventional Gastroenterology, Banner MD Anderson Cancer Center

Medical School: Madras Medical College and University, Madras, India
Internal Medicine Residency: Robert Wood Johnson University Hospital
Gastroenterology Fellowship: Albert Einstein Medical Center and Yale University
Advanced Endoscopy Fellowship: Medical University of South Carolina,
Advanced Endoscopy Training: Hands-on Endoscopic Submucosal Dissection training at Tokyo National Cancer Center Hospital and Keio University, Tokyo, Japan
Specialties: Pancreatic and biliary disorders, Barrett Esophagus and Barrett dysplasia, cancer endoscopic diagnosis and therapy endoscopic oncological interventions for therapy and palliation of GI cancers, endoscopic ultrasound and ERCP guided interventions, complex polypectomy, endoscopic resection and endoscopic submucosal dissection, endoscopy training and advanced endoscopy training