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Colonoscopy SpecialistsPage 14

596 verified specialists treating colonoscopy from across the United States are listed on this page. Top affiliations among the highest-ranked specialists include Ascension SE Wisconsin Hospital - Elmbrook, Ascension All Saints Hospital, and Aurora St. Luke's Medical Center. Drill into a state below to find specialists nearer to you, or compare individual profiles for credentials, focus areas, and clinical depth.

Lyndon Hernandez

Lyndon Hernandez, MD

Clinical Faculty, Gastroenterology

Gastroenterology

Kenosha, WI30+ years
Advanced EndoscopyPancreaticobiliaryColorectal Cancer Screening
Hetal Karsan

Hetal Karsan, MD

Adjunct Professor of Medicine

Gastroenterology

Suwanee, GA30+ years
Colorectal Cancer Screening
Howard Mertz

Howard Mertz, M.D.

Gastroenterology

Nashville, TN30+ years
Advanced EndoscopyInflammatory Bowel DiseaseMotility & Functional GI
Mihir Wagh

Mihir Wagh, MD

Head of Interventional Endoscopy

Gastroenterology

Jacksonville, FL30+ years
Advanced Endoscopy
Nandhakumar Kanagarajan

Nandhakumar Kanagarajan, M.D.

Gastroenterology

Marietta, GA20+ years
Advanced Endoscopy
Hashem El-Serag

Hashem El-Serag, MD, MPH

Chair and Professor, Margaret M. and Albert B. Alkek Department of Medicine; Vice President of the Learning Health System; Director, Texas Medical Center Digestive Diseases Center

Gastroenterology

Houston, TX30+ years
Clinical HepatologyGI Oncology
Evan Grossman

Evan Grossman, M.D.

Associate Professor of Clinical Medicine (Pending Appointment at Rank)

Gastroenterology

New York, NY20+ years
Eosinophilic GI DisordersColorectal Cancer Screening
Abhishek Gulati

Abhishek Gulati, M.D.

Gastroenterology

Fresno, CA15+ years
PancreaticobiliaryAdvanced EndoscopyMotility & Functional GI
Michael Lievens

Michael Lievens, MD

Gastroenterology Section Chair, Ascension Via Christi; Endoscopy Committee Chair, Wesley Medical Center

Gastroenterology

Wichita, KS30+ years
Advanced Endoscopy
Adrienna Jirik

Adrienna Jirik, M.D.

Gastroenterology

Concord Township, OH15+ years
Advanced Endoscopy
Patricia Wong

Patricia Wong, MD

Gastroenterology

Wynnewood, PA20+ years
Advanced Endoscopy
Carylann Hadjiyane

Carylann Hadjiyane, M.D.

Clinical Assistant Professor, Department of Medicine at NYU Grossman Long Island School of Medicine

Gastroenterology

New York, NY30+ years
Inflammatory Bowel DiseaseColorectal Cancer Screening
Ajay Jain

Ajay Jain, MD

Gastroenterology

Indianapolis, IN20+ years
PancreaticobiliaryAdvanced Endoscopy
Brian Baggott

Brian Baggott, M.D.

Staff Physician

Gastroenterology

Beachwood, OH30+ years
Inflammatory Bowel Disease
Bora Gumustop

Bora Gumustop, M.D.

Chief of Gastroenterology at St

Gastroenterology

Halfmoon, NY30+ years
Advanced Endoscopy
Jad Abimansour

Jad Abimansour, MD

Gastroenterology

Rochester, MN8 years
Advanced Endoscopy
Elliot Joo

Elliot Joo, MD

Gastroenterology

Portland, OR20+ years
David Kastenberg

David Kastenberg, M.D.

The J. Edward Berk Professor of Medicine; Chief, Division of Gastroenterology & Hepatology, Thomas Jefferson University

Gastroenterology

Philadelphia, PA15+ years
Inflammatory Bowel DiseaseGI OncologyColorectal Cancer Screening
Raj Narayani

Raj Narayani, MD

Gastroenterology

Knoxville, TN30+ years
Advanced EndoscopyMotility & Functional GI
Mariam Naveed

Mariam Naveed, M.D

Gastroenterology

Altamonte Springs, FL15+ years
Advanced Endoscopy

Colonoscopy specialists by state

Find colonoscopy specialists in your state.

Frequently Asked Questions

How is this national list of colonoscopy specialists built?
This page includes physicians in Convene Health's public directory whose profile lists Colonoscopy 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 colonoscopy specialist?
Start with clinical fit — the right specialist for colonoscopy 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 colonoscopy 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 Colonoscopy?
Colonoscopy 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 colonoscopy care.