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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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Dr. Thieszen has 5 hospital affiliations:

  • Poudre Valley Hospital 
  • Vail Valley Medical Center 


  • English

> > > > Dr. John Thieszen, MD

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Additional Information
Dr. John Thieszen MD is a male doctor and practices in Hospitalist.
Where does Dr. John Thieszen practice?
Dr. John Thieszen has 1 office location.
Dr. John Thieszen practices Hospitalist near Fort Collins, CO.
See Fort Collins Hospitalists.