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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

Patient comments (14)

The overall average patient rating of Dr. Ann Ma is Average. Dr. Ma has been reviewed by 20 patients who have provided 14 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.1
Promptness 3.3
Courteous Staff 3.4
Accurate Diagnosis 3.1
Bedside Manner 3.0
Spends Time with Me 3.1
Follows Up After Visit 2.8

Specialties & Research

Dr. Ann Ma, MD is board certified in Internal Medicine and Gastroenterology.

  • She has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Ma graduated from University of Cincinnati.


Dr. Ma has 9 hospital affiliations:

  • Inova Alexandria Hospital 
  • Inova Fair Oaks Hospital 

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Additional Information
Dr. Ann I Ma MD is a female Internist, has 26 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Ann I. Ma practice?
Dr. Ann Ma has 1 office location.
Dr. Ann Ma practices Internal Medicine and Gastroenterology near Purcellville, VA.
See Purcellville Internists and Purcellville Gastroenterologists.