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Internist, Gastroenterologist (digestive)
35 years of experience
Accepting new patients
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. Dennis Sweeney, MD is board certified in Internal Medicine and Gastroenterology.

Education & Awards

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


Dr. Sweeney has 4 hospital affiliations:

  • Adventist Medical Center 
  • Providence Milwaukie Hospital 

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Additional Information
Dr. Dennis Patrick Sweeney MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Dennis P. Sweeney practice?
Dr. Dennis Sweeney has 5 office locations.
Dr. Dennis Sweeney practices Internal Medicine and Gastroenterology near Portland, OR.
Additional practice locations include: Spokane, WA.
See Portland Internists and Portland Gastroenterologists.