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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. Mario Petersen:

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Specialties & Research

Dr. Mario Petersen, MD is board certified in Pediatrics and Pediatric Neurodevelopmental Disabilities.

  • He has special expertise in 1 area:
  • Cerebral Palsy

Education & Awards

Dr. Petersen graduated from University of Iowa, Iowa City.


Dr. Petersen has 13 hospital affiliations:

  • Oregon Health & Science University Hospitals And Clinics 
  • Cottage Grove Hospital 


  • English
  • Spanish
  • French

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Additional Information
Dr. Mario C Petersen MD is a male Pediatrician, has 30 years of experience and practices in Pediatrics and Pediatric Neurodevelopmental Disabilities.
Where does Dr. Mario C. Petersen practice?
Dr. Mario Petersen has 6 office locations.
Dr. Mario Petersen practices Pediatrics and Pediatric Neurodevelopmental Disabilities near Eugene, OR.
Additional practice locations include: Portland, OR and Medford, OR.
See Eugene Pediatricians.