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Internist, Gastroenterologist (digestive)
33 years of experience
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).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Robert Greenblatt is Good. Dr. Greenblatt has been reviewed by 14 patients who have provided 3 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 4.3
Courteous Staff 4.3
Accurate Diagnosis 4.5
Bedside Manner 3.8
Spends Time with Me 4.2
Follows Up After Visit 3.9

Specialties & Research

Dr. Robert Greenblatt, MD is board certified in Internal Medicine and 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. Greenblatt graduated from University of Southern California , Los Angeles.


Dr. Greenblatt has 17 hospital affiliations:

  • Monmouth Medical Center 
  • Robert Wood Johnson Univ Hosp 


  • Portuguese
  • Hindi
  • Marathi
  • Spanish
  • English

> > > > Dr. Robert Greenblatt, MD

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Additional Information
Dr. Robert Ira Greenblatt MD is a male Internist, has 33 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Robert I. Greenblatt practice?
Dr. Robert Greenblatt has 2 office locations.
Dr. Robert Greenblatt practices Internal Medicine and Gastroenterology near Union, NJ.
Additional practice locations include: Kenilworth, NJ.
See Union Internists and Union Gastroenterologists.