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Internist, Gastroenterologist (digestive)
19 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).

Learn more about Dr. Jimmy Chang:

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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. Jimmy Chang is Excellent. Dr. Chang has been reviewed by 25 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.4
Courteous Staff 4.2
Accurate Diagnosis 5.0
Bedside Manner 4.3
Spends Time with Me 4.1
Follows Up After Visit 4.3

Specialties & Research

Dr. Jimmy Chang, 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. Chang graduated from Northwestern University, Chicago. He has 2 awards.

Patients' Choice Award (2014)
Compassionate Doctor Recognition (2014)


Dr. Chang has 5 hospital affiliations:

  • Morristown Memorial Hospital 
  • Hackettstown Regional Medical Center 


  • Spanish
  • Chinese
  • English
  • Mandarin
  • Taiwanese

> > > > Dr. Jimmy Chang, MD

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Additional Information
Dr. Jimmy Chang MD is a male Internist, has 19 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Jimmy Chang practice?
Dr. Jimmy Chang has 1 office location.
Dr. Jimmy Chang practices Internal Medicine and Gastroenterology near Hackettstown, NJ.
See Hackettstown Internists and Hackettstown Gastroenterologists.