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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 (9)

The overall average patient rating of Dr. James Lax is Excellent. Dr. Lax has been reviewed by 25 patients who have provided 9 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.7
Courteous Staff 4.9
Accurate Diagnosis 4.7
Bedside Manner 4.9
Spends Time with Me 4.9
Follows Up After Visit 4.7

Specialties & Research

Dr. James Lax, MD is board certified in Gastroenterology.

  • He has special expertise in 11 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Barrett Esophagus
  • Constipation
  • Gastrointestinal Diseases (GI Diseases)
  • Hepatitis
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Liver Diseases
  • Peptic Ulcer
  • Ulcerative Colitis
  • Viral Human Hepatitis

Education & Awards

Dr. Lax graduated from New York University. He has 6 awards.

Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)
Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2008 - 2011, 2013 - 2014)
Compassionate Doctor Recognition (2009 - 2011, 2013)
Top 10 Doctor - Neighborhood (2014)
Upper East Side
On-Time Doctor Award (2009, 2014)


Dr. Lax has 9 hospital affiliations:

  • NewYork-Presbyterian / Weill Cornell 
  • Lenox Hill Hospital 


  • French
  • Spanish
  • English

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Additional Information
Dr. James David Lax MD is a male Internist, has 30 years of experience and practices in Gastroenterology.
Where does Dr. James D. Lax practice?
Dr. James Lax has 1 office location.
Dr. James Lax practices Gastroenterology near New York, NY.
See New York Gastroenterologists.