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Dr. John O'brien, MD

Dr. John O'brien, MD

Falls Church, VA

42 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'brien, Cardiologist in Falls Church, VA?

    Dr. John O'brien, MD is a Cardiologist, who primarily practices in Falls Church, VA with 2 additional practice locations. He has been practicing for over 42 years. Dr. O'brien graduated from Georgetown University School of Medicine. Dr. O'brien is fluent in English and Korean, and is currently seeing new patients. Dr. O'brien’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office at (703) 776-4001.

    Where did Dr. O'brien go to medical school and complete their residency?

    • Medical School: Georgetown University School of Medicine

    What languages does Dr. O'brien speak?

    Dr. O'brien and their clinical team can communicate with patients in the following languages:

    • English

    • Korean

    What conditions does Dr. O'brien treat?

    As a Cardiologist, Dr. O'brien diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. O'brien. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Atrial Fibrillation
    • Fast Heartbeat
    • Arrhythmia
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Tachycardia
    • Rapid heart rate
    • Racing heart

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation
    • R000: Tachycardia, unspecified

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Other Specified Aftercare
    • Specific post-op care
    • Specialized recovery care
    • Follow-up for specific procedures

    ICD-10 Codes:

    • Z5189: Encounter for other specified aftercare

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Other General Medical Examination
    • Health Checkup
    • General Health Checkup
    • Comprehensive Medical Exam
    • Miscellaneous Physical Exam

    ICD-10 Codes:

    • Z008: Encounter for other general examination

    Which procedures does Dr. O'brien perform as a Cardiologist?

    As a Cardiologist, procedures performed by Dr. John O'brien may include:

    For detailed information, please contact Dr. O'brien's office.

    Does Dr. O'brien accept my insurance?

    Dr. O'brien accepts most major insurance plans. Important: Please call our office at (703) 776-4001 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'brien accept in Falls Church, VA?

    Dr. O'brien in Falls Church, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Carefirst BlueCross BlueShield

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Medicare

    • Mutual of Omaha

    • State of Tennessee

    • State of Virginia

    View All Insurances

    Where is Dr. O'brien's office located?

    Dr. John O'brien's Primary Practice

    3300 Gallows Rd

    Falls Church, VA 22042

    (703) 776-4001

    Get Directions

    Dr. John O'brien's Practice 2

    44045 Riverside Pkwy

    Leesburg, VA 20176

    Get Directions

    Dr. John O'brien's Practice 3

    9321 Sanger St # 200

    Lorton, VA 22079

    Get Directions

    What is Dr. O'brien's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. O'brien's National Provider Identifier (NPI) number is 1952392482.

    What common questions do patients ask about Dr. O'brien?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'brien

    What is Dr. John O'brien's specialty?

    Dr. O'brien is a Cardiologist near Falls Church, VA. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. O'brien to book an appointment today.

    Is this Dr. John O'brien affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'brien is affiliated with Inova Fairfax Medical Campus, Inova Fair Oaks Hospital, VHC Health - Virginia Hospital Center, Inova Mount Vernon Hospital, MedStar Washington Hospital Center, Beebe Healthcare which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Cardiologist?

    Explore Cardiologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is John O'brien accepting new patients in Falls Church, VA?

    Yes, Dr. John O'brien is accepting new patients at this time.

    Does Dr. John O'brien offer online booking?

    Please contact Dr. O'brien's office at (703) 776-4001 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John O'brien?

    Please contact Dr. O'brien's office at (703) 776-4001 for information regarding telehealth appointment availability or for scheduling assistance.

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