Browse Health
Internist, Pediatrician
14 years of experience
Accepting new patients
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. Stephen Yoon:

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  1. Qualifications
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Specialties & Research

Dr. Stephen Yoon, MD is board certified in Internal Medicine.

  • He has special expertise in 1 area:
  • Hospitalist

Education & Awards

Dr. Yoon graduated from UMDNJ, Newark.


Dr. Yoon has 5 hospital affiliations:

  • Foothill Presbyterian Hospital 
  • St. Jude Medical Center 


  • Spanish
  • Korean

> > > > Dr. Stephen Yoon, MD

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Additional Information
Dr. Stephen Yoon MD is a male Internist, has 14 years of experience and practices in Internal Medicine and Pediatrics.
Where does Dr. Stephen Yoon practice?
Dr. Stephen Yoon has 3 office locations.
Dr. Stephen Yoon practices Internal Medicine and Pediatrics near Fullerton, CA.
Additional practice locations include: Anaheim, CA.
See Fullerton Internists and Fullerton Pediatricians.