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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 (5)

The overall average patient rating of Dr. Charles Friedlander is Excellent. Dr. Friedlander has been reviewed by 9 patients who have provided 5 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.3
Courteous Staff 3.6
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.8

Specialties & Research

Dr. Charles Friedlander, MD is board certified in Gastroenterology.

  • He has special expertise in 8 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Colonoscopy
  • Constipation
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Sigmoidoscopy
  • Ulcerative Colitis

Education & Awards

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

Castle Connolly Top Doctors: New York Metro Area™ (2002 - 2008, 2010 - 2015)
Compassionate Doctor Recognition (2014)


Dr. Friedlander has 10 hospital affiliations:

  • Nyu Hospital For Joint Diseases 
  • NYU Langone Medical Center 


  • Spanish
  • Russian
  • Yiddish

> > > > Dr. Charles Friedlander, MD

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Additional Information
Dr. Charles Norman Friedlander MD is a male Internist, has 43 years of experience and practices in Gastroenterology.
Where does Dr. Charles N. Friedlander practice?
Dr. Charles Friedlander has 2 office locations.
Dr. Charles Friedlander practices Gastroenterology near New York, NY.
See New York Gastroenterologists.