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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

4.5
  •  
(31)
Patient comments (12)

The overall average patient rating of Dr. David Markowitz, Gastroenterologist is Excellent. Dr. Markowitz has been reviewed by 31 patients who have provided 12 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
  •  
Promptness 4.1
  •  
Courteous Staff 4.2
  •  
Accurate Diagnosis 4.6
  •  
Bedside Manner 4.4
  •  
Spends Time with Me 4.4
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Follows Up After Visit 4.5
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Specialties & Research

Dr. David Markowitz, MD is board certified in Gastroenterology.

  • He has special expertise in 21 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Colitis
  • Colon Cancer
  • Colon Tumor (Adenomatous Polyps)
  • Colonoscopy
  • Colorectal Cancer
  • Constipation
  • Diarrhea
  • Endoscopy (Endoscopic Surgery)
  • Esophageal Diseases
  • Heartburn
  • Hemorrhoids
  • Hepatitis C
  • Hiatal Hernia
  • Irritable Bowel Syndrome (IBS)
  • Liver Diseases
  • Peptic Ulcer
  • Peptic Ulcer (Duodenal Ulcer)
  • Sigmoidoscopy
  • Stomach Ulcer
  • > Show all expertise

Education & Awards

Dr. Markowitz graduated from Columbia University, New York. He has 4 awards.

Awards  
Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2015)
Castle Connolly Top Doctors: New York Metro Area™ (2002 - 2008, 2010 - 2015)
Patients' Choice Award (2009 - 2012, 2014)
Compassionate Doctor Recognition (2010 - 2012)

Affiliations

Dr. Markowitz has 3 hospital affiliations:

  • New York Presbyterian Hospital / Columbia 
  • NewYork-Presbyterian/Columbia 
  • New York Presbyterian / Westchester 

Languages

  • Spanish
  • German

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Additional Information
Dr. David Daniel Markowitz MD is a male Internist, has 26 years of experience and practices in Gastroenterology.
Where does Dr. David D. Markowitz practice?
Dr. David Markowitz has 1 office location.
Dr. David Markowitz practices Gastroenterology near New York, NY.
See New York Gastroenterologists.