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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 Sheffield:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. John Sheffield is Excellent. Dr. Sheffield has been reviewed by 4 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 4.6
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Sheffield, MD is board certified in Internal Medicine.

Education & Awards

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Sheffield has 3 hospital affiliations:

  • University Of Washington Medical Ctr 
  • Harborview Medical Center 
  • UW Medical Center 


  • Japanese
  • Spanish
  • English

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Additional Information
Dr. John Van Loon Sheffield MD is a male Internist, has 23 years of experience and practices in Internal Medicine.
Where does Dr. John V. Sheffield practice?
Dr. John Sheffield has 1 office location.
Dr. John Sheffield practices Internal Medicine near Seattle, WA.
See Seattle Internists.