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Hospital Findr / Find Doctors / Oregon / Dr. John Allan Walker

Dr. John Allan Walker, MD

  • Gastroenterology, Internal Medicine
  • Accepting new patients
  • 52 years of experience
  • Centennial Gastroenterology Associates 2510 NW Edenbower Blvd Ste 112, Roseburg, OR 97471
  • (541) 464-6260

Brief Intro

Dr. Walker graduated from the University of Texas Southwestern Medical School in 1973. He works in Roseburg, OR and 2 other locations and specializes in Gastroenterology and Internal Medicine. Dr. Walker is affiliated with Asante Rogue Regional Medical Center.

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Education Background

RESIDENCY

Medical College Of Wisconsin

MEDICAL SCHOOL

University Of Texas Southwestern Medical School - 1973

Languages Spoken

  • Spanish
  • Chinese
  • French
  • English
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Location & Hours

  • Centennial Medical Group
  • 2510 NW Edenbower Blvd Ste 112, Roseburg, OR 97471
  • Mon:8:00 am - 5:00 pm
    Tue:8:00 am - 5:00 pm
    Wed:8:00 am - 5:00 pm
    Thu:8:00 am - 5:00 pm
    Fri:8:00 am - 12:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Gastroenterology
  • Internal Medicine

Conditions Addressed

  • Acute Pancreatitis
  • Irritable Bowel Syndrome (IBS)
  • Gastrointestinal Hemorrhage
  • Constipation
  • Gastritis and Duodenitis
  • Gastroesophageal Reflux Disease (GERD)
  • Chronic Pancreatitis
  • Diverticulitis
  • Infectious Liver Disease
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Procedures Performed

  • Colonoscopy

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Humana
  • ATRIO Health Plans
  • Medicare
  • First Choice Health
  • PacificSource Health Plans
  • Kaiser Permanente
  • Meritain Health
  • Triwest Healthcare Alliance
  • Aetna
  • AARP
  • Medicaid
  • GEHA
  • Cigna
  • CHAMPVA
  • Providence Health Plans
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