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John O'Brien, MD

5.0
  • Fairfax, VA

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Location details

Inova Specialty Center, 8081 Innovation Park Dr #700, Fairfax, VA, 22031, United States

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WeekdayScheduleStatus
Mon8:00 a.m. to 5:00 p.m.
Tue8:00 a.m. to 5:00 p.m.
Wed8:00 a.m. to 5:00 p.m.
Thu8:00 a.m. to 5:00 p.m.
Fri8:00 a.m. to 5:00 p.m.
SatClosed
SunClosed
5.014 reviews
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Anonymous 
a year ago

Dr. O'Brien has been my cardiologist for about a decade and I credit Dr. O'Brien for finding the small blockage that was causing all of my issues. He treated me with tests and medications and I had immediate success. Dr. O'Brien wants to help his patients. He Is thorough, professional, kind, and uber Intelligent. He earns patient trust with his excellent care. Dr. O'Brien will be greatly missed by all of his patients. I am grateful to Dr. O'Brien and wish him nothing but the very best in his retirement. Wish all doctors were... read more

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Anonymous 
a year ago

Dr O'Brien is the bestwishing him a happy, fun retirement.. 

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Anonymous 
a year ago

Spent time with Dr O'Brien who talked about results of previous exams and my health in general, 

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Anonymous 
a year ago

Dr. O'Brien is simply at the top of physicians who have ever treated me! Simply the best and will be sorely missed!!! 

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Anonymous 
a year ago

Dr. O'Brien is the best. 

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RonA 
4 years ago

stents - emergency surgery post-op - on-going care - stress tests and monitoring 

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Sandy MacRae 
6 years ago

Best MD explains everything in terms that I understand and works with you to provide what is best for you. 

M.C.A.'s profile image
M.C.A. 
7 years ago

Dr. O’Brien and Dr. Rogan are the best cardiologists by far from others. Well mannered, trustworthy and very transparent and pure reflection of good character and More than knowledgeable of what needs to be done. I consider them the wisest cardiologists you’ll ever meet. 

Jim Houhoulis's profile image
Jim Houhoulis 
10 years ago

Dr. O'Brien is very caring, light hearted, and funny. Most important is that he is very thorough in his examination. His staff was equally pleasant. 

Frequently asked questions about John O'Brien, MD

How is John O'Brien, MD rated?

John O'Brien, MD has a 5 star rating with 14 reviews. 

When is John O'Brien, MD open?

John O'Brien, MD is open now. It will close at 5:00 p.m. 

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