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Gastroenterologist (digestive)
20 years of experience
Video profile
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. Lawrence Langan:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Lawrence Langan is Excellent. Dr. Langan has been reviewed by 20 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.4
Courteous Staff 4.3
Accurate Diagnosis 4.9
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.8

Specialties & Research

Dr. Lawrence Langan, DO, MD is board certified in Gastroenterology.

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

Education & Awards

Dr. Langan graduated from New York Institute of Technology, Old Westbury. He has 2 awards.

Patients' Choice Award (2011 - 2014)
Compassionate Doctor Recognition (2011 - 2014)


Dr. Langan has 4 hospital affiliations:

  • Staten Island University Hospital North 
  • Staten Island University South 


  • English
  • Italian
  • Spanish

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Additional Information
Dr. Lawrence Langan DO and MD is a male Internist, has 20 years of experience and practices in Gastroenterology.
Where does Dr. Lawrence Langan practice?
Dr. Lawrence Langan has 1 office location.
Dr. Lawrence Langan practices Gastroenterology near Staten Island, NY.
See Staten Island Gastroenterologists.