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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).

Learn more about Dr. Donald McMahon:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

5.0
  •  
(7)
Patient comments (1)

The overall average patient rating of Dr. Donald McMahon is Excellent. Dr. McMahon has been reviewed by 7 patients who have provided 1 comments. The rating is 5 out of 5 stars.

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

Specialties & Research

  • 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. McMahon graduated from Lake Erie College of Osteopathic Medicine at Erie. He has 1 awards.

Awards  
Compassionate Doctor Recognition (2014)

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Additional Information
Dr. Donald James McMahon DO is a male Internist and practices in Gastroenterology.
Where does Dr. Donald J. McMahon practice?
Dr. Donald McMahon has 3 office locations.
Dr. Donald McMahon practices Gastroenterology near Sewell, NJ.
Additional practice locations include: Cherry Hill, NJ and Marlton, NJ.
See Sewell Gastroenterologists.