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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. Ken Zafren:

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  1. Qualifications
  2. What's important to you

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Specialties & Research

Dr. Ken Zafren, MD is board certified in Emergency Medicine.

  • He has special expertise in 2 areas:
  • Altitude Sickness
  • Resuscitation

Education & Awards

Dr. Zafren graduated from University of Washington, Seattle.


Dr. Zafren has 6 hospital affiliations:

  • Stanford Hospital and Clinics 
  • Lucile Salter Packard Children's Hospital @ Stanford 


  • Spanish
  • German
  • French

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Additional Information
Dr. Ken Zafren MD is a male Emergency Medicine Specialist, has 28 years of experience and practices in Emergency Medicine.
Where does Dr. Ken Zafren practice?
Dr. Ken Zafren has 1 office location.
Dr. Ken Zafren practices Emergency Medicine near Palo Alto, CA.
See Palo Alto Emergency Physicians.