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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. Roger Koerner:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Roger Koerner is Excellent. Dr. Koerner has been reviewed by 9 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 2.9
Courteous Staff 3.3
Accurate Diagnosis 4.3
Bedside Manner 3.5
Spends Time with Me 3.5
Follows Up After Visit 3.0

Specialties & Research

Dr. Roger Koerner, 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. Koerner graduated from UMDNJ, Newark. He has 1 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Koerner has 3 hospital affiliations:

  • Jupiter Medical Center 
  • Palm Beach Gardens Medical Center 
  • Palm Springs General Hospital 


  • French
  • Spanish

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Additional Information
Dr. Roger S Koerner MD is a male Internist, has 39 years of experience and practices in Gastroenterology.
Where does Dr. Roger S. Koerner practice?
Dr. Roger Koerner has 1 office location.
Dr. Roger Koerner practices Gastroenterology near Jupiter, FL.
See Jupiter Gastroenterologists.