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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

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The overall average patient rating of Dr. John Marshall is Excellent. Dr. Marshall has been reviewed by 2 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Specialties & Research

Dr. John Marshall, MD, PHD is board certified in Internal Medicine.

  • He has special expertise in 4 areas:
  • Hypopituitarism
  • Neuroendocrinology
  • Polycystic Ovary Syndrome (PCOS)
  • Women's Health

Education & Awards

Dr. Marshall graduated from University Of Manchester, England. He has 8 awards.

Pharmacia International Award for Excellence in Published Clinical Research The Endocrine Soc
Transatlantic Medal of the Society of Endocrinology Soc for Endocrinolog UK
Clinical Endocrinology Trust Medal Clinical Endocrnology Trust UK
1997 Awarded Transatlantic Medal of the Society for Endocrinology (UK)
1991 Awarded Clinical Endocrinology Trust Medal (UK)
2008 Clinical Investigator Award of the Endocrine Society
1990 Listed in Best Doctors in America, Top Doctors in America 1990-present
Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2015)


Dr. Marshall has 4 hospital affiliations:

  • UVA HealthSouth Rehabilitation Hospital 
  • University of Virginia Medical Center 

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Additional Information
Dr. John Crook Marshall MD and PHD is a male Internist, has 47 years of experience and practices in Internal Medicine.
Where does Dr. John C. Marshall practice?
Dr. John Marshall has 1 office location.
Dr. John Marshall practices Internal Medicine near Charlottesville, VA.
See Charlottesville Internists.