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Gastroenterologist (digestive)
24 years of experience
Video profile
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).

Learn more about Dr. Joshua Raphael Korzenik:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Joshua Raphael Korzenik is Good. Dr. Korzenik has been reviewed by 15 patients who have provided 5 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 3.4
Courteous Staff 4.1
Accurate Diagnosis 4.1
Bedside Manner 4.6
Spends Time with Me 4.6
Follows Up After Visit 4.0

Specialties & Research

Dr. Joshua Raphael Korzenik, MD is board certified in Gastroenterology.

  • He has special expertise in 9 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Crohn's Disease
  • Hepatitis C
  • Hereditary Hemorrhagic Telangiectasia
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Microscopic Colitis
  • Ulcerative Colitis

Education & Awards

Dr. Korzenik graduated from Yeshiva University, Bronx. He has 4 awards.

Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2011 - 2012)
Compassionate Doctor Recognition (2011 - 2013)
Top 10 Doctor - City (2014)
Boston, MA


Dr. Korzenik has 5 hospital affiliations:

  • Massachusetts General Hospital 
  • Brigham and Women's Hospital 


  • French
  • Creole

> > > > Dr. Joshua Raphael Korzenik, MD

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Additional Information
Dr. Joshua Raphael Korzenik MD is a male Internist, has 24 years of experience and practices in Gastroenterology.
Where does Dr. Joshua Raphael Korzenik practice?
Dr. Joshua Raphael Korzenik has 2 office locations.
Dr. Joshua Raphael Korzenik practices Gastroenterology near Saint Louis, MO.
Additional practice locations include: Boston, MA.
See Saint Louis Gastroenterologists.