Summary

Dr. John O'Brien is a cardiovascular disease specialist with nearly five decades of experience caring for patients with heart conditions. He earned his medical degree from Georgetown University School of Medicine and has dedicated 49 years to treating complex cardiovascular disorders. Dr. O'Brien speaks English and brings extensive knowledge to his practice.

Dr. O'Brien is affiliated with Inova Fairfax Hospital and practices at Inova Cardiology in Fairfax, Virginia. He specializes in treating coronary artery disease and myocardial ischemia, with particular expertise in addressing heart disease in women. His diagnostic capabilities include performing electrocardiograms, CT angiograms, and cardiac CT scans to evaluate heart function and identify potential problems. Patients have given him an average rating of 4.4 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 49 years of experience
  • 23 insurance plans accepted
  • speaks English
  • Georgetown University School of Medicine
  • 4 written reviews
  • 1 award
  • 1 specialty
  • 15 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

Inova Cardiology - Fairfax

8081 Innovation Park Dr Ste 700Fairfax, VA 22031
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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John O'brien, MD
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John O'brien, MDSamer Samir Najjar, MDFarooq Hameed Sheikh, MDAlexander Ryzhikov, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
4.9 
4.9 
49 Years of Experience 33 Years of Experience 23 Years of Experience 22 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks Arabic, English, French Speaks English Speaks English, Russian
Fairfax , VAWashington , DCWashington , DCWaldorf , MD
Med School: Georgetown University School of Medicine Med School: New York Medical College Med School: Weill Medical College of Cornell University
Current Profile
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Insurance Plans Accepted by John O'brien

  • Aetna
  • Aetna - PPO
  • Aetna Better Health
  • AmeriHealth - Medicaid (Managed)
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • CHAMPVA
  • Cigna
  • GEHA
  • Humana
  • Innovation Health
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • MedStar Family Choice - Medicaid (Managed)
  • Molina Healthcare
  • Physicians Mutual
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare

Medical Specialties

John O'brien has the following specialty

Specialty Expertise

John O'brien has the following 15 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Myocardial Infarction
  • Stroke
  • Unstable Angina

Certifications, License, & Education

49 Years Experience

John O'brien holds an expired medical license in the state of Virginia.

Medical License

Medical Doctor with an expired medical license in the state of Virginia that expired in 2026.

Education & Training

Medical School

Graduated from Georgetown University School of Medicine in 1977.

NPI Number

John O'brien's NPI number is 1952392482.

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Frequently Asked Questions

Is John O'brien accepting new patients?
John O'brien is accepting new patients on Vitals. View John O'brien's profile on Vitals to make an appointment.
How can I make an appointment with John O'brien?
You can find contact information for John O'brien here on Vitals.
Does John O'brien accept my insurance?
You can see the insurance plans that John O'brien accepts on their Vitals profile.
Does John O'brien accept virtual/telehealth appointments?
John O'brien has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is John O'brien affiliated with?
John O'brien is affiliated with INOVA FAIRFAX HOSPITAL.

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