About Dr. Dylan Paul Missry Marshall, MD

Dylan Marshall, MD, MPH grew up in Westchester and graduated from Columbia University with a major in Biology and a concentration in Hispanic Studies. He earned his medical degree from Columbia University Vagelos College of Physicians and Surgeons where he was inducted into the Gold Humanism Honor Society. He earned his Master of Public Health degree from Columbia University Mailman School of Public Health. He completed his internal medicine residency training at New York-Presbyterian Hospital-Columbia. Dr. Marshall went on to complete his cardiology fellowship training at New York-Presbyterian Hospital-Cornell. Dr. Marshall has completed advanced training in adult echocardiography and nuclear cardiology. His research, which focuses on v...

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Patient Reviews

Patient

★★★★★

I visited for an appointment on Friday, August 29, 2025, and I was assigned to Dr. Marshall. This was my first time at this clinic, and I found him to be very thorough in explaining the cause of my problem, how to fix it, and the steps I should take to resolve it. He was understanding and eager to help. The staff were also wonderful, always greeting me with a smile and ready to assist. I will definitely return to see Dr. Marshall and his team. The positive comments about them are absolutely true.

Patient

★★★★★

Dr. Marshall is a wonderful doctor. I went with my mom, an elderly woman, for her appointment. He was an absolute professional: knowledgeable, engaging, answering our questions with interest and patience.

Patient

★★★★★

It's rare to find a doctor who is not only highly knowledgeable but also deeply empathetic. I never felt rushed, and I left the appointment feeling confident and reassured. I highly recommend Dr. Marshall to anyone looking for a cardiologist who truly cares about their patients

Patient

★★★★★

Dr Marshall is very attentive and professional. He takes the time to listen as well as thoroughly explain conditions. He checks in when necessary. He even is on top of vitals and labs. I'm thankful to be in such great care. Sidebar: the entire staff from start to finish are warm, polite and professional. Grateful

Patient

★★★★★

DEC: Excellent follow-up experience; First Tele-visit with some video hiccups - mostly my new computer, I think; Efficient and comprehensive conversation, and a good use of time for both of us. As much as in-person can be pleasant, Tele-visit is terrific lack of travel and waiting room time!! AUG: Excellent initial experience with Dr. Marshall - Highly recommend; Great NYP/Columbia practitioners; weak admin processes and systems.

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