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Dr. William Wesley Mark MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Gastroenterology.
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).

Patient Reviews

  • Currently 3 of 4 stars
Patient comments (5)

The overall average patient rating of Dr. William Mark, Gastroenterologist is Good. Dr. Mark has been reviewed by 6 patients who have provided 5 comments. The rating is 3 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3 of 4 stars
Promptness 3.0
  • Currently 3 of 4 stars
Courteous Staff 2.6
  • Currently 2.6 of 4 stars
Accurate Diagnosis 2.5
  • Currently 2.5 of 4 stars
Bedside Manner 2.4
  • Currently 2.4 of 4 stars
Spends Time with Me 2.8
  • Currently 2.8 of 4 stars
Follows Up After Visit 3.3
  • Currently 3.25 of 4 stars

Specialties & Research

Dr. William Mark, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 1 area:
  • Women's Health

Education & Awards

Dr. Mark graduated from University of Guadalajara, Mexico, San Antonio.


Dr. Mark has 3 hospital affiliations:

  • Sacred Heart Hospital 
  • Memorial Hospital Med Center-Cumberland 
  • Western Maryland Regional Medical Center 

Accepted Insurance Plans

Dr. Mark accepts these health insurances in at least one office:

  • Priority Partners - 1 plan
  • United Healthcare - 19 plans
  • Highmark Blue Cross Blue Shield - 3 plans
  • CareFirst - 6 plans
  • Great-West Healthcare - 3 plans
  • Cigna - 10 plans
  • Humana - 6 plans
  • Aetna - 2 plans


  • Spanish

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Additional Information
Where does Dr. William W. Mark practice?
Dr. William Mark practices Internal Medicine and Gastroenterology near Cumberland, MD.
See Cumberland Internists and Cumberland Gastroenterologists.