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 and is board certified. 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:
- Fast Heartbeat
- Atrial Fibrillation
- Heart Palpitations
- Arrhythmia
- Tachycardia
- Rapid heart rate
- Racing heart
- Afib
- A-fib
- Irregular heart rhythm
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- R000: Tachycardia, unspecified
- I4891: Unspecified atrial fibrillation
- I480: Paroxysmal atrial fibrillation
- R002: Palpitations
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:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
- R0609: Other forms of dyspnea
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
Also known as:
- Abnormal EKG
- Heart Health Tests
- Irregular Electrocardiogram
- Unusual Heart Rhythm Test
- ECG Abnormalities
ICD-10 Codes:
- R9431: Abnormal electrocardiogram [ECG] [EKG]
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Having a Heart Transplant
- Heart Transplantation
- Cardiac transplant
- Heart replacement surgery
- Post-heart transplant
ICD-10 Codes:
- Z941: Heart transplant status
Also known as:
- Ischemic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Heart Failure
- Congestive Heart Failure
- CHF
- Cardiac Insufficiency
ICD-10 Codes:
- I509: Heart failure, unspecified
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Narrowed Aortic Valve
- Heart Valve Disease
- Aortic Valve Stenosis
- Tight Aortic Valve
ICD-10 Codes:
- I350: Nonrheumatic aortic (valve) stenosis
Which procedures does Dr. O'brien perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. John O'brien may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
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
Molina
Mutual of Omaha
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
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 which is a Castle Connolly Top Hospital. 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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