Skip to main content

GI Oncology SpecialistsPage 4

129 verified specialists treating gi oncology from across the United States are listed on this page. Top affiliations among the highest-ranked specialists include Mayo Clinic, M Health Fairview, and Hennepin Healthcare. Drill into a state below to find specialists nearer to you, or compare individual profiles for credentials, focus areas, and clinical depth.

Lisa Boardman

Lisa Boardman, M.D.

Professor, Internal Medicine, Mayo Medical School

Gastroenterology

Rochester, MN30+ years
GI Oncology
Brian Hanson

Brian Hanson, M.D.

Assistant Professor of Medicine, University of Minnesota; Gastroenterologist, Minneapolis VA Health Care System

Gastroenterology

Minneapolis, MN
GI Oncology
Rita Mukhtar

Rita Mukhtar, MD

Breast Surgical Oncology

Oncology

San Francisco, CA20+ years
Breast Oncology
Andrea Park

Andrea Park, MD

Head and Neck Surgical Oncology

Oncology

San Francisco, CA15+ years
Head & Neck Oncology
Ajay Maker

Ajay Maker, MD

Gastrointestinal Surgical Oncology

Oncology

San Francisco, CA20+ years
Surgical Oncology
Stephen Meltzer

Stephen Meltzer, M.D.

Professor of Medicine, Professor of Oncology

Gastroenterology

Baltimore, MD30+ years
GI Oncology
Asif Zamir

Asif Zamir, M.D.

Program Director and Associate Professor, UTRGV School of Medicine Gastroenterology Fellowship Program

Gastroenterology

Edinburg, TX30+ years
Hepatology (GI)GI Oncology
Sumair Ahmad

Sumair Ahmad, MD

Senior Staff Physician, Division of Gastroenterology and Hepatology

Gastroenterology

Dearborn, MI15+ years
GI Oncology
Chase Heaton

Chase Heaton, MD

Head and Neck Surgical Oncology

Oncology

San Francisco, CA15+ years
Head & Neck Oncology
Pranav Periyalwar

Pranav Periyalwar, M.D.

Staff Physician, National Jewish Health; Assistant Professor of Medicine, University of Colorado Denver

Gastroenterology

Denver, CO15+ years
GI Oncology
Joseph Anderson

Joseph Anderson, M.D.

Associate Professor of Medicine, Dartmouth Geisel School of Medicine; White River Junction VA Medical Center

Gastroenterology

White River Junction, VT
GI Oncology
Luis Pena

Luis Pena, MD

Senior Member, H. Lee Moffitt Cancer Center & Research Institute

Gastroenterology

Tampa, FL15+ years
GI Oncology
Niloy Samadder

Niloy Samadder, M.D.

Gastroenterology

Scottsdale, AZ20+ years
GI Oncology
Pankaj Vashi

Pankaj Vashi, M.D.

Vice Chief of Staff and Gastroenterologist, City of Hope Chicago; Associate Clinical Professor, Department of Medicine, City of Hope

Gastroenterology

Zion, IL30+ years
GI Oncology
Aboud Affi

Aboud Affi, M.D.

Clinical Adjunct Professor, Department of Medicine

Gastroenterology

Milwaukee, WI30+ years
GI Oncology
Arnold Markowitz

Arnold Markowitz, MD

Director, Advanced Gastrointestinal Endoscopy Fellowship Training Program

Gastroenterology

New York, NY30+ years
GI Oncology
David Lee

David Lee, M.D.

Assistant Professor of Surgery

Oncology

Falls Church, VA15+ years
Surgical Oncology
George Atia

George Atia, MD

Founder and Medical Director, Illinois Center for Digestive and Liver Health

Gastroenterology

Barrington, IL30+ years
GI Oncology
Krishnamurthy Shivshanker

Krishnamurthy Shivshanker, M.D.

Associate Clinical Professor

Gastroenterology

Alvin, TX30+ years
GI Oncology
Chul Hyun

Chul Hyun, MD

Associate Professor of Internal Medicine (Digestive Diseases); Director, Gastric Cancer Prevention and Screening Program, Medicine; Affiliated Faculty, Yale Institute for Global Health

Gastroenterology

New Haven, CT30+ years
GI Oncology

GI Oncology specialists by state

Find gi oncology specialists in your state.

Frequently Asked Questions

How is this national list of gi oncology specialists built?
This page includes physicians in Convene Health's public directory whose profile lists GI Oncology as a clinical focus area, ranked by composite score (research output, peer recognition, frequency of care, and outcomes signals). Each profile is sourced from the NPI registry, peer-reviewed publication data, board certification records, and the physician's own bio where available.
What should I look for when choosing a gi oncology specialist?
Start with clinical fit — the right specialist for gi oncology depends on the specific subtype and severity of your condition. Compare credentials, hospital affiliations, years of experience, peer-reviewed publications, and how the profile describes their approach. Many top specialists are concentrated at academic medical centers; if you have flexibility on location, the top of this list is a strong starting set.
Are these gi oncology specialists accepting new patients?
Profile detail on availability and accepted insurance varies. Open a specific provider profile to see what they've published about new-patient access, insurance accepted, and typical wait times. Coverage details can change — confirm directly with the practice before your visit.
What is GI Oncology?
GI Oncology is a clinical focus area covered by the specialists listed here. Each provider profile describes their training, sub-specialties, and the conditions they regularly treat — open a profile for the most authoritative description of how that specific physician approaches gi oncology care.