About Dr. John J. W. Asheld III

Welcome to the practice of Dr. John J. W. Asheld III, an experienced cardiologist serving West Islip, New York. 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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Patient Reviews

Patient

★★★★★

Just switched to this awesome Cardiologist on Mon. 2025 and I couldn't be more pleased. He was an absolute jewel with great bedside manners, the concern & care he gave to me was beyond outstanding. I think my pressure went completely down as a result of my first time visit with him. Thank You Jesus!!!

Patient

★★★★★

My experience with Dr. John Asheld has been nothing short of exceptional. From the moment I stepped into his office, I felt welcomed and cared for by his warm and professional staff. Dr. Asheld himself is a true expert in his field, with a depth of knowledge and experience that instills confidence from the get-go. Not only does Dr. Asheld possess outstanding medical expertise, but he also takes the time to listen attentively to his patients' concerns. During my appointments, he never rushed through explanations or dismissed any questions I had. Instead, he patiently addressed each one, ensuring that I fully understood my condition and treatment options. Dr. Asheld's dedication to his patients extends beyond the confines of his office. He proactively follows up with test results and adjusts treatment plans accordingly, demonstrating his commitment to providing the highest level of care possible. Moreover, Dr. Asheld's compassion and empathy are truly remarkable. He understands the anxiety and fear that can accompany cardiac issues and approaches each patient with kindness and understanding. His reassuring demeanor helped alleviate my worries and made me feel supported throughout my journey to better heart health. In addition to his medical expertise and compassionate bedside manner, Dr. Asheld's office is well-equipped with state-of-the-art technology, ensuring accurate diagnoses and effective treatments. Overall, I cannot recommend Dr. John Asheld highly enough. If you're seeking a cardiologist who combines unparalleled expertise with genuine compassion, look no further. Dr. Asheld is the epitome of excellence in cardiac care, and I am immensely grateful to have him as my doctor.

Patient

★★★★★

Dr. Asheld is a bright engaging and extremely caring professional. He spends as much time as you feel you need to answer your questions after he checks test results blood work rtc. He is always ready to listen and explain to you what he thinks is going on and what could be done to make you feel better. He has a great sense of humor and always makes you feel comfortable.

Patient

★★★★★

Dr. John Asheld is a wondertul, intelligent man. He is incredibly thorough and will answer all your questions. He takes his time, and you never feel rushed. This man is an incredible doctor. If you want to know why I am such a fan it is because he saved my life by covering all bases. If I had a different doctor I may not have been here. I would never allow a family member go to anyone else.

Patient

★★★★★

The absolute best!! Saved my life! Nicest doctor I ever had and my primary doc is a life long friend, that's how wonderful this guy is!

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