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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 (43)

The overall average patient rating of Dr. Sing Chan, Gastroenterologist is Good. Dr. Chan has been reviewed by 59 patients who have provided 43 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 3.9
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 3.9
Follows Up After Visit 4.1

Specialties & Research

Dr. Sing Chan, FACG, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 6 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis B
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Chan graduated from State University of New York Downstate, Brooklyn. He has 2 awards.

Patients' Choice Award (2012)
Compassionate Doctor Recognition (2012)


Dr. Chan has 3 hospital affiliations:

  • Ny Hospital Medical Ctr Of Queens,The 
  • Flushing Hospital Medical Center 
  • North Shore Univ at Manhasset 


  • Mandarin
  • Cantonese

> > > > Dr. Sing Chan, FACG, MD

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Additional Information
Dr. Sing Chan FACG and MD is a male Internist, has 20 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Sing Chan practice?
Dr. Sing Chan has 3 office locations.
Dr. Sing Chan practices Internal Medicine and Gastroenterology near Flushing, NY.
Additional practice locations include: New Hyde Park, NY and Fresh Meadows, NY.
See Flushing Internists and Flushing Gastroenterologists.