Program Leadership

Yasmin Alishahi
Yasmin Alishahi, MD, FACGAGAF
Program Director

Rohit Nathan, DO
Rohit Nathan, DO
Associate Program Director

 

Phoenix VA Health Care Center Gastroenterology

Faculty 

Personal Bio

Yasmin Alishahi 
Yasmin Alishahi, MD, FACGAGAF

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 - Memphis 
Residency: University of Tennessee Health Science Center College of Medicine - Memphis 
GI Fellowship: University of Texas at San Antonio
Area(s) of Interest: Inflammatory Bowel Disease, General GI, Medical Education
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
Hobbies and Personal Interests: Traveling and sightseeing, exploring international cuisines, walking  

Stacie Vela, MD, FASGE
Stacie Vela, MD, FASGE

Chief, Gastroenterology Section, Phoenix VA Medical Center
Assistant Professor, U of A College of Medicine-Phoenix

Medical School: The Ohio State University College of Medicine
Residency: University Hospitals/Case Western Reserve University
Fellowship: Medical University of South Carolina
Area(s) of Interest: Endoscopic ultrasound, Advanced polypectomy, Endoscopic teaching
Specialties: Endoscopic teaching, pancreatic diseases, gastrointestinal cancers and advanced endoscopic techniques, such as endoscopic ultrasound and endoscopic mucosal resection 
Hobbies and Personal Interests: Skiing, cooking, exercise

Hugo Pinillos, MD, FACG
Hugo Pinillos, MD, FACG

Staff Gastroenterologist, Phoenix VA Medical Center
Clinical Assistant Professor of Medicine, U of A College of Medicine – Phoenix

Medical School: Universidad Francisco Marroquin (Guatemala City, Guatemala)
Residency: University of Illinois-Chicago at Michael Reese Hospital
Fellowship: Columbia University College of Physicians and Surgeons at St. Luke's-Roosevelt Hospital Center
Area(s) of Interest: Capsule endoscopy, GI pharmacogenomics, and gastrointestinal infections.
Specialties: Functional GI disorders, infectious GI diseases and capsule endoscopy
Hobbies and Personal Interests: History/genealogy, geopolitics, and soccer

Aaron Goldberg, MD
Aaron Goldberg, MD, FACG

Associate Professor

Medical School: University of Arizona College of Medicine – Phoenix
Residency: Internal Medicine, University of Arizona College of Medicine – Phoenix
GI Fellowship: University of Arizona College of Medicine – Phoenix
Area(s) of Interest: Colorectal cancer prevention, Barrett’s esophagus, endoscopic ultrasound
Specialties: Endoscopic ultrasound, liver disease, Barrett’s esophagus and colorectal cancer prevention
Hobbies and Personal Interests: Music, food, traveling

Fazia Mir, MD
Fazia Mir, MD

Medical School: Aga Khan University, Karachi, Pakistan
Internal Medicine Residency: Saint Louis University
GI Fellowship: University of Missouri-Columbia
Specialties: IBD, nutrition, Obesity Medicine"

Rakesh Nanda, MD, FACP, FACG
Rakesh Nanda, MD, FACP, FACG

Staff Gastroenterologist, Phoenix VA Medical Center
Assistant Professor of Clinical Medicine, U of A College of Medicine – Phoenix

Medical School: Maulana Azad Medical College, University of Delhi
Residency: Internal Medicine  University of Kansas -Kansas City Kansas
GI Fellowship: University of Delhi
Area(s) of Interest: Nutrition Motility- esophagus
Specialties: Endoscopic eradication of Barrett’s esophagus, nutrition
Hobbies and Personal Interests: Travel, Cooking, Fitness

Camron Kiafar, DO, AGAF, FACG
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

Shivakumar Vignesh, MD, AGAF, FASGE, FACG
Shivakumar Vignesh,
MD, AGAF, FASGE, FACG

Director of Endoscopy, Gastroenterology Section, Phoenix VA Medical Center
Professor of Medicine, U of A College of Medicine – Phoenix

Medical School: Madras Medical College and University - Chennai, India
Residency: Robert Wood Johnson University Hospital, UMDNJ
GI Fellowship: Yale University School of Medicine - New Haven, CT
Advanced Endoscopy Fellowship: Medical University of South Carolina, Charleston, SC
Area(s) of Interest: GI Oncology, Endoscopic Resection, Pancreatic and Biliary Endoscopy
Specialties: GI oncology, Biliary and pancreatic endoscopy, endoscopic ultrasound and advanced endoscopic resection, ESD; Endoscopy training, Training the endoscopy trainer.
Hobbies and Personal Interests: Hiking, Astronomy, Traveling to learn about other cultures and cuisine, Philosophy

Banner Gastroenterology

Faculty 

Personal Bio

Wahid Wassef, MD, MPH, FACG

Wahid Wassef, MD, MPH, FACG

Professor of Medicine
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

Mustafa Nawaz, DO

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
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
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

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

Jen-Jung Pan, MD,
PhD, AGAF, FAASLD

Clinical Professor

Medical School: National Yang Ming University
Internal Medicine Residency: Internal Medicine, University at Buffalo
Gastroenterology Fellowship: University of Florida
Transplant Hepatology Fellowship: University of Florida 
Area(s) of Interest: Metabolic-dysfunction associated steatotic liver disease
Specialties: Transplant hepatology, gastroenterology, internal medicine

Kevin Liu

Kevin Liu, MD

 

Interim Chief, Division of Gastroenterology and Hepatology
Program Director, Advanced Endoscopy Fellowship

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

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

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, DOD

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

Haripriya Maddur, MD

Haripriya Maddur, MD

Medical School: University of Missouri-Kansas City
Internal Medicine Residency: University of Texas-Southwestern
Gastroenterology Fellowship: Indiana University
Transplant Hepatology Fellowship: Northwestern University
Specialties: Alcohol associated liver disease

Ma Ai Thanda Han, MD, FACP

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

Moises Ilan Nevah, MD


Associate Professor

Medical School: Escuela de Medicina, Universidad De Panama
Residency: Internal Medicine, Mount Sinai Morningside and Mount Sinai West - Icahn School of Medicine at Mount Sinai (Previously St. Luke's/Roosvelt Hospital - Columbia University)
Gastroenterology Fellowship: The University of Texas Health Science Center at Houston, UTHealth 
Hepatology and Transplant Hepatology Fellowship: University of California San Francisco
Area(s) of Interest: Cirrhosis and Complications Portal hypertension, Viral hepatitis, Autoimmune Liver Disease, Liver Transplantation
Hobbies and Personal Interests: Spending time with family, Playing and watching sports