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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. John Onstad:

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Specialties & Research

Dr. John Onstad, MD is board certified in Anatomic Pathology & Clinical Pathology.

Education & Awards

Dr. Onstad graduated from University of Washington, Seattle.


Dr. Onstad has 3 hospital affiliations:

  • Toppenish Community Hospital 
  • Providence Yakima Medical Center 
  • Yakima Valley Memorial Hospital 

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Additional Information
Dr. John Wynn Onstad MD is a male Pathologist, has 41 years of experience and practices in Anatomic Pathology & Clinical Pathology and Anatomic Pathology.
Where does Dr. John W. Onstad practice?
Dr. John Onstad has 2 office locations.
Dr. John Onstad practices Anatomic Pathology & Clinical Pathology and Anatomic Pathology near Yakima, WA.
See Yakima Pathologists.