Welcome to the practice of Dr. Sean Leoni, an experienced cardiologist serving Downey, California. 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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I went to this office regarding a workers compensation case. Dr Leoni is genuine and his staff are top notch. The caring, helpful feeling was evident when I immediately stepped in the door. I feel that I will receive top notch care for my issue.
Good Dr
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