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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 (4)

The overall average patient rating of Dr. John Wang is Good. Dr. Wang has been reviewed by 14 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.6
Courteous Staff 4.7
Accurate Diagnosis 4.4
Bedside Manner 4.3
Spends Time with Me 4.7
Follows Up After Visit 4.0

Specialties & Research

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

Education & Awards

Dr. Wang graduated from The University of Texas at San Antonio. He has 3 awards.

Patients' Choice Award (2011 - 2013, 2015)
Compassionate Doctor Recognition (2011 - 2013, 2015)
On-Time Doctor Award (2014 - 2015)


Dr. Wang has 19 hospital affiliations:

  • Saddleback Memorial Medical Center-Laguna Hills 
  • Hoag Memorial Hospital Presbyterian 


  • Spanish
  • Korean
  • Chinese

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Additional Information
Dr. John Weijune Wang MD is a male Internist, has 13 years of experience and practices in Internal Medicine.
Where does Dr. John W. Wang practice?
Dr. John Wang has 1 office location.
Dr. John Wang practices Internal Medicine near Fountain Valley, CA.
See Fountain Valley Internists.