Gastroenterology

John Walker, MD

Roseburg, OR

John Walker, MD, FACG, is a gastroenterologist practicing in Roseburg, Oregon, with over 50 years of experience in the field. He specializes in treating a range of gastrointestinal conditions, with particular expertise in esophageal varices, gastrointestinal bleeding, painful swallowing (odynophagia), swallowing difficulty (dysphagia), and rare disorders such as trichohepatoenteric syndrome. His practice encompasses diagnostic and therapeutic procedures including *endoscopy

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Credentials

Board Certifications

Internal Medicine (ABIM)
Gastroenterology (ABIM)

Education & Training

Medical School: University of Texas Health Science Center Southwestern Medical School (MD)

Years in Practice

50+ years

Peer Recognition

ACG — Fellow (FACG)
2026
Healthgrades — Healthgrades Honor Roll

Clinical Focus

Subspecialties

Advanced Endoscopy

Conditions & Treatments

Gastrointestinal Disorders

Insurance(s) Accepted

Please verify your coverage with the provider — plan participation can change.

Practice Details

Hospital Affiliations

St. Charles Bend
Mercy Medical Center
Centennial Gastroenterology Associates
Oregon Surgery Center

Languages

English

Conditions Dr. Walker treats

Gastrointestinal Disorders

Insurance accepted

Frequently asked

Does Dr. Walker accept Aetna insurance?

John Walker's public profile lists Aetna, Blue Cross Blue Shield, and Cigna plus 8 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.

Where does Dr. Walker practice?

John Walker practices in Roseburg, OR with hospital affiliations including St. Charles Bend, Mercy Medical Center, and Centennial Gastroenterology Associates.

What does Dr. Walker specialize in?

John Walker is a board-certified gastroenterology specialist with focus areas in Advanced Endoscopy.

How long has Dr. Walker been practicing?

John Walker has 53+ years of clinical experience in gastroenterology.

What is Dr. Walker's medical training?

Public profile training history includes: Medical School: University of Texas Health Science Center Southwestern Medical School (MD).