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31 years of experience
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).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Mark Henderson is Satisfactory. Dr. Henderson has been reviewed by 7 patients who have provided 1 comments. The rating is 1.5 out of 4 stars.

Patient Ratings
Ease of Appointment 1.3
Promptness 1.0
Courteous Staff 2.3
Accurate Diagnosis 1.3
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

Dr. Mark Henderson, MD is board certified in Internal Medicine.

  • He has special expertise in 3 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes

Education & Awards

Dr. Henderson graduated from University of Massachusetts, Worcester. He has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. Henderson has 4 hospital affiliations:

  • St Joseph Hospital 
  • Aroostook Medical Center,The 

> > > > Dr. Mark Henderson, MD

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Additional Information
Dr. Mark Lester Henderson MD is a male Internist, has 31 years of experience and practices in Internal Medicine.
Where does Dr. Mark L. Henderson practice?
Dr. Mark Henderson has 5 office locations.
Dr. Mark Henderson practices Internal Medicine near Bangor, ME.
Additional practice locations include: Houlton, ME and Presque Isle, ME.
See Bangor Internists.