> > > > Dr. Stephen Yoon, MD
Dr. Stephen Yoon MD is a male Internist, has 12 years of experience and practices in Hospitalist, Internal Medicine, and Pediatrics.
Dr. Stephen Yoon has 3 office locations.
St. Jude Medical Center
101 E Valencia Mesa Dr
Fullerton, CA 92835

Phone Number
Locations and availability (3)
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).

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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 
  • Citrus Valley Medical Center - Inter-Community Campus 

Accepted Insurance Plans

Dr. Yoon accepts these health insurances in at least one office:

  • United Healthcare - 16 plans
  • Unicare - 11 plans
  • CaIOPTIMA - 5 plans
  • Blue Shield of California - 78 plans
  • Aetna - 3 plans


  • Korean
  • Spanish

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Additional Information
Where does Dr. Stephen Yoon practice?
Dr. Stephen Yoon practices Hospitalist, Internal Medicine, and Pediatrics near Fullerton, CA.
Additional practice locations include: Anaheim, CA.
See Fullerton Hospitalists, Fullerton Internists, and Fullerton Pediatricians.