About Dr. Walter Jo, MD

Merrimack Valley Cardiology is committed to giving the highest quality cardiovascular care to our patients. We are the largest group of cardiology specialists in the area, and our goal to help our patients manage heart disease in a professional and caring way.

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

Not a good dr needs medical experience He doesn't know heart condition very well I went to Lahey clinic when he failed to diagnose. Please don't waist your time. I admit to ER and still seconds time he failed to diagnose my issue and gave me wrong medicine which brought my blood pressure very low. He needs retraining in my opinion. I am complaining about him to Mass medicine boards soon.

Patient

★★★★★

Excellent Doctor, extremely attentive and outstanding o follow-up. He seems to genuinely care!

Patient

★★★★★

Very good Doctor, takes the time to explain things in great detail

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