Daniel P. O'Neill, M.D

I've worked with several cardiologists over the years and Dr. O'Neill is by far the best. I've had him as my primary cardiologist for 8 years now and I love that he takes the time to get to know...

I should have listened to a cardiology tech who had worked with this doctor: Curt/brusque to the point of rudeness, lack of empathy, no open ended questions, demeaning, impatient, reptilian. I...

Dr O Neil is a very caring and responsive cardiologist . He takes time with his patients. Works diligently to arrive at root cause of your ailment and disease. He's reassuring and sincere. He is...