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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).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. William Yu is Excellent. Dr. Yu has been reviewed by 15 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.5
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.2
Spends Time with Me 3.8
Follows Up After Visit 3.8

Education & Awards

Dr. Yu graduated from Loyola University Chicago, Maywood. He has 2 awards.

Patients' Choice Award (2011 - 2012, 2014)
Compassionate Doctor Recognition (2012, 2014)


Dr. Yu has 3 hospital affiliations:

  • St Johns Hospital 
  • Memorial Medical Center 
  • St John`s Hospital And Memorial Medical Center 

> > > > Dr. William Yu, MD

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Additional Information
Dr. William Reignson Yu MD is a male Internist, has 33 years of experience and practices in Internal Medicine.
Where does Dr. William R. Yu practice?
Dr. William Yu has 6 office locations.
Dr. William Yu practices Internal Medicine near Springfield, IL.
Additional practice locations include: Rochester, IL.
See Springfield Internists.