A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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The overall average patient rating of Dr. John Walker is Average.
Specialties & Research
Dr. John Walker, MD is board certified in Internal Medicine and Gastroenterology.
- He has special expertise in 5 areas:
- Acid Reflux Disease (Gastroesophageal Reflux / GERD)
- Hepatitis C
- Irritable Bowel Syndrome (IBS)
- Ulcerative Colitis
Education & Awards
Dr. Walker graduated from The University of Texas Southwestern, Dallas.
Dr. Walker has 3 hospital affiliations:
- Providence Medford Medical Center
- Rogue Valley Medical Center
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- Additional Information
- Dr. John Allan Walker MD is a male Internist, has 38 years of experience and practices in Internal Medicine and Gastroenterology.
- Where does Dr. John A. Walker practice?
- Dr. John Walker has 1 office location.
Dr. John Walker practices Internal Medicine and Gastroenterology near Medford, OR.
See Medford Internists and Medford Gastroenterologists.