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Dr. John O'Brien, MD

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

4.0
  • Currently 4 of 4 stars
(3)
Patient comments (2)

The overall average patient rating of Dr. John O'Brien is Excellent. Dr. O'Brien has been reviewed by 3 patients who have provided 2 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3 of 4 stars
Promptness 3.5
  • Currently 3.5 of 4 stars
Courteous Staff 3.5
  • Currently 3.5 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 3.5
  • Currently 3.5 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

Dr. John O'Brien, MD is board certified in Internal Medicine and Cardiovascular Disease.

He has special expertise in 1 Area, including Myocardial Infarction.


More Specialties & Research

Education & Awards

Dr. O'Brien graduated from Georgetown University, Washington.

More Education & Awards

Affiliations

Dr. O'Brien has 2 hospital affiliations:

  • Inova Fairfax Hospital 
  • Inova Fair Oaks Hospital 

More Affiliations

Accepted Insurance Plans

Dr. O'Brien accepts these health insurances in at least one office:

  • United Healthcare - 2 plans
  • Great-West Healthcare - 2 plans
  • Unicare - 2 plans
  • AMERIGROUP - 2 plans
  • Cigna - 10 plans
  • Humana - 2 plans
  • Medicare - 1 plan

More Accepted Insurance

Learn more about Dr. John O'Brien:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Additional Information
Where does Dr. John T. O'Brien practice?
Dr. John O'Brien practices Internal Medicine, Cardiovascular Disease, Cardiology, and Interventional Cardiology near Annandale, VA.
Additional practice locations include: Falls Church, VA.
See Annandale Internists and Annandale Cardiologists.
Similar Physician Names
Dr. Van O'Brien, Dr. Deshawn O'Brien, Dr. Jan O'Brien, Dr. Hank O'Brien, Dr. Shayne O'Brien, Dr. Shane O'Brien, Dr. Jackie O'Brien, Dr. Giovanni O'Brien