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. Barbara Esselink:

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Specialties & Research

Dr. Barbara Esselink, MD is board certified in Internal Medicine.

Education & Awards

Dr. Esselink graduated from University of Wisconsin at Madison.


Dr. Esselink has 3 hospital affiliations:

  • Providence Portland Medical Center 
  • Providence Newberg Medical Center 
  • Providence Willamette Falls Medical Center 


  • English

> > > > Dr. Barbara Esselink, MD

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Additional Information
Dr. Barbara Joy Sit Esselink MD is a female Internist, has 5 years of experience and practices in Internal Medicine.
Where does Dr. Barbara J. Esselink practice?
Dr. Barbara Esselink has 1 office location.
Dr. Barbara Esselink practices Internal Medicine near Portland, OR.
See Portland Internists.