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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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Peter Dzwonkowski is Good. Dr. Dzwonkowski has been reviewed by 7 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.9
Courteous Staff 3.9
Accurate Diagnosis 4.3
Bedside Manner 4.6
Spends Time with Me 4.1
Follows Up After Visit 3.9

Specialties & Research

Dr. Peter Dzwonkowski, MD is board certified in Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Dzwonkowski graduated from Akademia Medyczna, Poznan. He has 2 awards.

Patients' Choice Award (2012)
Compassionate Doctor Recognition (2012 - 2013)


Dr. Dzwonkowski has 7 hospital affiliations:

  • Bellin Hospital 
  • St Vincent Hospital 


  • Polish

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Additional Information
Dr. Peter E Dzwonkowski MD is a male Internist, has 31 years of experience and practices in Gastroenterology.
Where does Dr. Peter E. Dzwonkowski practice?
Dr. Peter Dzwonkowski has 13 office locations.
Dr. Peter Dzwonkowski practices Gastroenterology near Green Bay, WI.
Additional practice locations include: De Pere, WI and Seymour, WI.
See Green Bay Gastroenterologists.