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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. Mark Tanchel is Good. Dr. Tanchel has been reviewed by 12 patients who have provided 5 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 4.7
Courteous Staff 4.1
Accurate Diagnosis 4.4
Bedside Manner 4.1
Spends Time with Me 4.1
Follows Up After Visit 4.1

Specialties & Research

Dr. Mark Tanchel, MD is board certified in Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Tanchel graduated from Tufts University, Boston. He has 2 awards.

Patients' Choice Award (2012)
On-Time Doctor Award (2014)


Dr. Tanchel has 3 hospital affiliations:

  • Hackensack University Medical Center 
  • Pascack Valley Hospital 
  • Holy Name Hospital 


  • Italian
  • Polish
  • Spanish

> > > > Dr. Mark Tanchel, MD

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Additional Information
Dr. Mark E Tanchel MD is a male Internist, has 17 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Mark E. Tanchel practice?
Dr. Mark Tanchel has 1 office location.
Dr. Mark Tanchel practices Internal Medicine and Gastroenterology near Hackensack, NJ.
See Hackensack Internists and Hackensack Gastroenterologists.