The University of Arizona

Gastroenterology Fellowship - Faculty

Program Leadership

Yasmin Alishahi, MD, FACG, AGAF
Program Director

Rohit Nathan, DO
Associate Program Director

Phoenix VA Health Care Center Gastroenterology

Faculty	Personal Bio
Yasmin Alishahi, MD, FACG, AGAF	Program Director, Gastroenterology Fellowship Staff Gastroenterologist, Phoenix VA Medical Center Clinical Associate Professor of Medicine, U of A College of Medicine – Phoenix Medical School: University of Tennessee Health Science Center College of Medicine Residency: University of Tennessee Health Science Center College of Medicine Chief Residency: University of Tennessee Health Science Center College of Medicine GI Fellowship: University of Texas Health Science Center Specialties: Diagnosis and disease activity assessment of inflammatory bowel disease, medical therapy of inflammatory bowel disease, health preventive measures in patients with ulcerative colitis and Crohn's Disease, in particular in patients on immunosuppressive therapy
Stacie Vela, MD, FASGE	Chief, Gastroenterology Section, Phoenix VA Medical Center Clinical Associate Professor of Medicine, U of A College of Medicine-Phoenix Medical School: The Ohio State University Residency: University Hospitals/Case Western University GI Fellowship: Medical University of South Carolina Specialties: Endoscopic teaching, pancreatic diseases, gastrointestinal cancers and advanced endoscopic techniques, such as endoscopic ultrasound and endoscopic mucosal resection
Hugo Pinillos, MD, FACG	Staff Gastroenterologist, Phoenix VA Medical Center Clinical Assistant Professor of Medicine, U of A College of Medicine – Phoenix Medical School: Francisco Marroquin University, Guatemala Residency: Michael Reese Hospital /University of Illinois at Chicago GI Fellowship: St Luke’s – Roosevelt Hospital Center/Columbia University Clinical Hepatology Fellowship: Mount Sinai Medical Center Specialties: Functional GI disorders, infectious GI diseases and capsule endoscopy
Aaron Goldberg, MD, FACG	Staff Gastroenterologist, Phoenix VA Medical Center Clinical Associate Professor of Medicine, U of A College of Medicine – Phoenix Medical School: UA College of Medicine – Tucson Residency: Beth Israel Deaconess Medical Center GI Fellowship: Banner – University Medical Center Phoenix (Formerly Banner Good Samaritan Medical Center) Specialties: Endoscopic ultrasound, liver disease, Barrett’s esophagus and colorectal cancer prevention
Rakesh Nanda, MD, FACP, FACG	Staff Gastroenterologist, Phoenix VA Medical Center Assistant Clinical Professor of Medicine, U of A College of Medicine – Phoenix Medical School: Maulana Azad Medical College, Delhi University, New Delhi Residency: Pune University GI Fellowship: Delhi University, followed by training at the John Radcliffe Hospital, Oxford, England and Completed training at Kansas University Medical Center Specialties: Endoscopic eradication of Barrett’s esophagus, nutrition
Camron Kiafar, DO, AGAF, FACG	Staff Gastroenterologist, Phoenix VA Medical Center Assistant Clinical Professor of Medicine, U of A College of Medicine – Phoenix Medical School: Western University of Health Sciences Residency and GI Fellowship: Banner – University Medical Center Phoenix (Formerly Banner Good Samaritan Medical Center) Specialties: Endoscopic eradication of Barrett’s esophagus, colorectal cancer prevention and GI malignancies

Banner Gastroenterology

Faculty	Personal Bio
Wahid Wassef, MD, MPH, FACG	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
Michael R. Mills, MD, MPH	Undergraduate: University of Arizona Graduate: Tulane University School of Public Health and Tropical Medicine Medical School: Tulane University School of Medicine Internal Medicine Residency: University of Colorado School of Medicine Gastroenterology Fellowship: University of Arizona Health Sciences Center, Carl T. Hayden VA Medical Center, Banner Good Samaritan Regional Medical Center Specialties: Capsule endoscopy, colonoscopy now, endoscopic ultrasonography (EUS), ERCP, esophageal manometery, GERD, Remicade® infusion, upper GI endoscopy (EGD)
Mustafa Nawaz, DO	Assistant Clinical Professor, Clinical Series Associate Program Director, Advanced Endoscopy Fellowship Medical School: Midwestern University Chicago College of Osteopathic Medicine Internal Medicine Residency: St James Hospital and Health Center Gastroenterology Fellowship: Arizona Centers for Digestive Health Advanced Endoscopy Fellowship: Arizona Centers for Digestive Health
Alberto Ramos, MD	Clinical Assistant Professor of Medicine, UA College of Medicine – Phoenix Medical School: Ponce School of Medicine Internal Medicine Internship: Banner – University Medical Center Phoenix Internal Medicine Residency: Banner – University Medical Center Phoenix Specialties: Management of cirrhosis, hepatocellular cancer, upper and lower endoscopy
Nisha Sharma, MD	Medical School: Grant Medical College, Mumbai, India Internal Medicine Residency: Westchester Medical Center/ New York Medical College, Valhalla, New York Gastroenterology Fellowship: Beaumont Hospital, Royal Oak, Michigan Specialties: Gastroenterology including general GI, IBD and interventional endoscopy
Sakolwan Suchartlikitwong, MD	Medical School: Chulalongkorn University, Bangkok, Thailand Internal Medicine Residency: Texas Tech University Health Sciences Center, Lubbock, Texas Gastroenterology Fellowship: University of Arizona College of Medicine, Phoenix, Arizona Specialties: General gastroenterology, swallowing and reflux diseases, foregut motility
Jen-Jung Pan, MD	Medical School: National Yang Ming University and State University of New York at Buffalo Internal Medicine Residency: State University of New York at Buffalo Gastroenterology Fellowship: University of Florida College of Medicine Transplant Hepatology Fellowship: University of Florida College of Medicine Specialties: Transplant hepatology, gastroenterology, internal medicine
Kevin Liu, MD	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
Lynna Alnimer, MD	Medical School: Hashemite University Internal Medicine Residency: Henry Ford Providence – Michigan State University Gastroenterology Fellowship: Henry Ford Providence – Michigan State University

Banner Hepatology

Faculty	Personal Bio
Michael Fallon, MD	Chair, Department of Internal Medicine Medical School: University of Virginia School of Medicine Internal Medicine Residency: Yale New Haven Hospital Gastroenterology Fellowship: Yale University School of Medicine Specialties: Complications of cirrhosis, portal hypertension management, liver transplant evaluation, chronic liver disease, upper and lower endoscopy
Rohit Nathan, DO	Associate Program Director, Gastroenterology Fellowship Medical School: Lake Erie College of Osteopathic/Millcreek Community Hospital Internal Medicine Residency: Albert Einstein Medical Center Gastroenterology and Transplant Hepatology Fellowship: Albert Einstein Medical Center Specialties: Advanced liver disease, transplant hepatology, gastroenterology, upper endoscopy and colonoscopy
Ma Ai Thanda Han, MD, FACP	Medical School: University of Medicine I, Yangon, Myanmar Internal Medicine Residency: Medstar Good Samaritan Hospital affiliated with Johns Hopkins University Gastroenterology Fellowship: Cedars Sinai Medical Center, Los Angeles Transplant Hepatology; Mayo Clinic, Rochester, MN Specialties: Gastroenterology, transplant hepatology, general hepatology
Moises Ilan Nevah, MD	Medical School: University of Panama Medical School Residency: St. Luke's/Roosevelt Hospital Center Teaching Hospital, Columbia University Fellowships: Gastroenterology, the University of Texas Health Science Center at Houston, and Advanced Transplant Hepatology, University of California, San Francisco Area(s) of Interest: Transplant Hepatology, gastroenterology, internal medicine
Karn Wijarnpreecha, MD, MPH	Academic Transplant Hepatologist Medical School: Chiang Mai University, Thailand Residency: Bassett Medical Center Fellowships: Gastroenterology, Mayo Clinic, Transplant Hepatology, University of Michigan Area(s) of Interest: Gastroenterology and hepatology, transplant hepatology, internal medicine