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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

4.0
  •  
(14)
Patient comments (4)

The overall average patient rating of Dr. Mark Tanker is Good. Dr. Tanker has been reviewed by 14 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 2.5
  •  
Promptness 3.3
  •  
Courteous Staff 3.7
  •  
Accurate Diagnosis 3.3
  •  
Bedside Manner 3.7
  •  
Spends Time with Me 3.5
  •  
Follows Up After Visit 3.0
  •  

Specialties & Research

Dr. Mark Tanker, DO is board certified in Gastroenterology.

  • He has special expertise in 7 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Liver Diseases
  • Ulcerative Colitis

Education & Awards

Dr. Tanker graduated from Philadelphia College of Osteopathic Medicine.


Affiliations

Dr. Tanker has 15 hospital affiliations:

  • Jeanes Hospital 
  • Holy Redeemer Health System 

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Additional Information
Dr. Mark S Tanker DO is a male Internist, has 34 years of experience and practices in Gastroenterology.
Where does Dr. Mark S. Tanker practice?
Dr. Mark Tanker has 6 office locations.
Dr. Mark Tanker practices Gastroenterology near Philadelphia, PA.
Additional practice locations include: Huntingdon Valley, PA.
See Philadelphia Gastroenterologists.