Browse Health
Primary Care Doctor, Family Practitioner
13 years of experience
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. John Pieniazek:

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  1. Qualifications
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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. John Pieniazek is Excellent. Dr. Pieniazek has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Education & Awards

Dr. Pieniazek graduated from Jagiellonian University Medical College, Krakow.


Dr. Pieniazek has 2 hospital affiliations:

  • Adventist Medical Center 
  • Kewanee Hospital 


  • Polish

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Additional Information
Dr. John Jan Pieniazek MD is a male Family Practitioner, has 13 years of experience and practices in Family Medicine.
Where does Dr. John J. Pieniazek practice?
Dr. John Pieniazek has 11 office locations.
Dr. John Pieniazek practices Family Medicine near Portland, OR.
Additional practice locations include: Gresham, OR and Clackamas, OR.
See Portland Primary Care Doctors.