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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. Geoffrey Yoon:

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Specialties & Research

  • He has special expertise in 4 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • Unstable Angina

Education & Awards

Dr. Yoon graduated from Johns Hopkins University, Baltimore.


Dr. Yoon has 1 hospital affiliations:

  • Stanford Hospital and Clinics 

> > > > Dr. Geoffrey Yoon, MD

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Additional Information
Dr. Geoffrey Junho Yoon MD is a male Internist, has 4 years of experience and practices in Internal Medicine.
Where does Dr. Geoffrey J. Yoon practice?
Dr. Geoffrey Yoon has 3 office locations.
Dr. Geoffrey Yoon practices Internal Medicine near Stanford, CA.
See Stanford Internists.