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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 (6)

The overall average patient rating of Dr. Gregory Oliver is Good. Dr. Oliver has been reviewed by 29 patients who have provided 6 comments. The rating is 4 out of 5 stars.

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

Specialties & Research

Dr. Gregory Oliver, MD is board certified in Colon & Rectal Surgery.

  • He has special expertise in 7 areas:
  • Colorectal Cancer
  • Crohn's Disease
  • Fecal Incontinence
  • Glandular Cancer (Adenocarcinoma)
  • Heart Failure
  • Rectal Cancer
  • Ulcerative Colitis

Education & Awards

Dr. Oliver graduated from George Washington University. He has 3 awards.

Patients' Choice Award (2012 - 2013)
Compassionate Doctor Recognition (2012 - 2013, 2015)
Top 10 Doctor - State (2014)
New Jersey
Colon & Rectal Surgeon


Dr. Oliver has 7 hospital affiliations:

  • Robert Wood Johnson Univ Hosp 
  • Somerset Medical Center 


  • Spanish
  • English

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Additional Information
Dr. Gregory C Oliver MD is a male Colon/Rectal Surgeon, has 36 years of experience and practices in Colon & Rectal Surgery.
Where does Dr. Gregory C. Oliver practice?
Dr. Gregory Oliver has 1 office location.
Dr. Gregory Oliver practices Colon & Rectal Surgery near Edison, NJ.
See Edison Colorectal Surgeons.