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Gastroenterologist (digestive)
31 years of experience
Accepting new patients
Video profile
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. Mark Bierhoff:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Mark Bierhoff is Good. Dr. Bierhoff has been reviewed by 5 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 4.7
Spends Time with Me 4.7
Follows Up After Visit 5.0

Specialties & Research

Dr. Mark Bierhoff, 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. Bierhoff graduated from UMDNJ, Newark.


Dr. Bierhoff has 9 hospital affiliations:

  • Nazareth Hospital 
  • Frankford Hospital 


  • French
  • Spanish

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Additional Information
Dr. Mark L Bierhoff MD is a male Internist, has 31 years of experience and practices in Gastroenterology.
Where does Dr. Mark L. Bierhoff practice?
Dr. Mark Bierhoff has 1 office location.
Dr. Mark Bierhoff practices Gastroenterology near Philadelphia, PA.
See Philadelphia Gastroenterologists.