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License & Identifications

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).

Learn more about Dr. John Marshall:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. John Marshall is Excellent. Dr. Marshall has been reviewed by 6 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. John Marshall, MD is board certified in Anesthesiology.

Education & Awards

Dr. Marshall graduated from Washington University at St. Louis, Saint Louis.


Dr. Marshall has 4 hospital affiliations:

  • Methodist Medical Center Of Illinois 
  • Osf Saint Francis Medical Center 


  • English

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Additional Information
Dr. John D Marshall MD is a male Anesthesiologist, has 20 years of experience and practices in Anesthesiology.
Where does Dr. John D. Marshall practice?
Dr. John Marshall has 2 office locations.
Dr. John Marshall practices Anesthesiology near Peoria, IL.
See Peoria Anesthesiologists.