About Dr. Dr. Paul O Brien

Welcome to the practice of Dr. Dr. Paul O Brien, an experienced cardiologist serving Annandale, Virginia. We are committed to providing compassionate, evidence-based cardiovascular care with a focus on prevention, early detection, and personalized treatment plans.

Medical Disclaimer: The information on this website is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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★★★★★

Dr. O'Brien is a great cardiologist. Very experienced. Takes his time to understand the patient's habits and lifestyle and their impact on their health. Highly recommended!

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