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).
- Currently 2.5 of 4 stars
The overall average patient rating of Dr. John Marshall is Good. Dr. Marshall has been reviewed by 2 patients who have provided 0 comments. The rating is 2.5 out of 4 stars.
|Ease of Appointment||
|Spends Time with Me||
Specialties & Research
Dr. John Marshall, MD is board certified in Internal Medicine and Gastroenterology.
More Specialties & Research
Education & Awards
Dr. Marshall graduated from University of Missouri at Columbia.More Education & Awards
Dr. Marshall has 6 hospital affiliations:
- Columbia Regional Hospital
- University of Missouri Hospital & Clinic
Accepted Insurance Plans
Dr. Marshall accepts these health insurances in at least one office:
- United Healthcare - 2 plans
- Cigna - 3 plans
- Humana - 3 plans
- Great-West Healthcare - 3 plans
- Missouri Medicaid - 1 plan
More Accepted Insurance
Learn more about Dr. John Marshall:
View the full profile to get information on:
- What's important to you
View full profile
Similar doctors nearby
- Additional Information
- Where does Dr. John B. Marshall practice?
Dr. John Marshall practices Internal Medicine and Gastroenterology near Columbia, MO.
Additional practice locations include: Hillsborough, NC and Mount Vernon, MO.
See Columbia Internists and Columbia Gastroenterologists.
- Similar Physician Names
- Dr. Deshawn Marshall, Dr. Evan Marshall, Dr. Giovanni Marshall, Dr. Hank Marshall, Dr. Hans Marshall, Dr. Ian Marshall, Dr. Ivan Marshall, Dr. Jack Marshall