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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. Joseph McMahon:

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Specialties & Research

Dr. Joseph McMahon, MD is board certified in Emergency Medicine.

Education & Awards

Dr. McMahon graduated from Uniformed Services University, Bethesda.


Dr. McMahon has 15 hospital affiliations:

  • Cottage Grove Hospital 
  • Sacred Heart Medical Center 

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Additional Information
Dr. Joseph P McMahon MD is a male Emergency Medicine Specialist, has 19 years of experience and practices in Emergency Medicine.
Where does Dr. Joseph P. McMahon practice?
Dr. Joseph McMahon has 4 office locations.
Dr. Joseph McMahon practices Emergency Medicine near Cottage Grove, OR.
Additional practice locations include: Eugene, OR and Omaha, NE.
See Cottage Grove Emergency Physicians.