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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).

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Specialties & Research

Dr. Douglas Peterson, MD is board certified in Internal Medicine.

Education & Awards

Dr. Peterson graduated from University of Minnesota, Twin Cities, Minneapolis.


Dr. Peterson has 4 hospital affiliations:

  • Healtheast Woodwinds Hospital 
  • Healtheast St John's Hospital 

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Additional Information
Dr. Douglas Arthur Peterson MD is a male Internist, has 37 years of experience and practices in Internal Medicine.
Where does Dr. Douglas A. Peterson practice?
Dr. Douglas Peterson has 1 office location.
Dr. Douglas Peterson practices Internal Medicine near Buffalo, MN.
See Buffalo Internists.