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Department Cardiovascular Medicine
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English
Surgeon No
Locations Specialties & Treatments

Treatment & Services

  • Atrial Fibrillation Center
  • BIV ICD Implantation
  • Biventricular Pacemaker
  • Cardiac Device Therapy
  • Cardiac Electrophysiology
  • Cardiac Electrophysiology & Pacing Section
  • Cardiology
  • Cardiovascular Medicine
  • Cardiovascular Medicine Department
  • Cardioversion
  • Catheter Ablation
  • Implantable Cardioverter Defibrillator
  • Lead Extraction (ICD, Pacemaker)
  • Lifevest
  • Pacemaker Implant
  • Pulmonary Vein Ablation Procedure
  • Ventricular Assist Device
View all 17 Treatment & Services +

Specialty in Diseases & Conditions

  • Abnormal Heart Rhythms
  • Arrhythmogenic Right Ventricular Dysplasia
  • Atrial Fibrillation
  • Atrial Flutter
  • Bradyarrhythmias
  • Cardiac Implantable Electronic Device Infection
  • Heart Disease
  • Heart Palpitations
  • Long QT Syndrome (LQTS)
  • Sudden Cardiac Death (Sudden Cardiac Arrest)
  • Supraventricular Tachycardia
  • Ventricular Fibrillation
  • Ventricular Tachycardia
  • Wolff-Parkinson-White Syndrome (WPW)
View all 14 Specialties +


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About Daniel Cantillon, MD

Daniel J. Cantillon, MD, FACC, FHRS, is a staff physician and Associate Section Head of Cardiac Electrophysiology and Pacing in the Robert and Suzanne Tomsich Department of Cardiovascular Medicine, Sydell and Arnold Miller Family Heart, Vascular & Thoracic Institute at Cleveland Clinic. He is board-certified in cardiovascular disease and cardiac electrophysiology and pacing.

Dr. Cantillon also serves as the Medical Director for Cleveland Clinic’s Central Monitoring Unit, which provides continuous cardiac rhythm, hemodynamic and respiratory monitoring for patients at Cleveland Clinic’s main campus and regional hospitals. Dr. Cantillon served two terms on the Board of Trustees for the American College of Cardiology, Ohio Chapter, including Co-Chair of the Health Policy Committee. Dr. Cantillon holds an academic appointment in the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, and teaches a course in ECG interpretation for senior medical students.  In February 2014, Dr. Cantillon was the first Cleveland Clinic physician, first Ohio physician and third North American physician, to successfully implant a leadless cardiac pacemaker.  He also performed the first successful Cleveland Clinic percutaneous retrieval of a chronically implanted leadless pacemaker in March, 2017. 

Dr. Cantillon serves at the Research Director for the Section of Cardiac Electrophysiology and Pacing.  His notable research achievements include original research publications in the New England Journal of Medicine and Journal of the American Medical Association.  In 2016, his research was selected as one of the top 4 ‘notable papers of the year’ by the Heart Rhythm Society.  An innovator, Dr. Cantillon was named the 2017 Cleveland Clinic Innovator of the Year for Health Information Technology for his work on developing the eCMU, a novel hospital-based remote patient monitoring system.  Dr. Cantillon was also selected as one of the  “Top Doctors” in Cardiovascular Medicine by Cleveland Magazine in 2018 and 2019.

Specialty/Clinical interests: Arrhythmia management (including complex catheter ablation),atrial fibrillation, pulmonary vein isolation ablation, cardiac device therapy (pacemakers, ICDs, cardiac resynchronization therapy),cardiac lead and device extraction, ventricular tachyarrhythmias, sudden cardiac death, arrhythmias among patients who have had cardiac transplant, heart failure, or ventricular assist devices

Number of Procedures Performed: Dr. Cantillon performs more than 500 procedures per year, including ablations, cardioversions and cardiac device-related procedures.

Success Rates: Cleveland Clinic has been ranked the #1 hospital for cardiology and heart surgery by U.S. News & World Report since 1994. Success rates for specific procedures are available at

Education and Training: Dr. Cantillon is a graduate of Georgetown University School of Medicine, Washington, DC. While at Georgetown, he was the recipient of the Thomas F. Keliher Award for Clinical Performance.

Dr. Cantillon served his residency in internal medicine at New York Presbyterian Hospital Weill Cornell Medical Center, New York, NY, where he was Assistant Chief Resident and earned the David E. Rogers Memorial Award for Outstanding Research. Between 2006 and 2011, Dr. Cantillon completed fellowships in cardiovascular medicine and cardiac electrophysiology at Cleveland Clinic. During his cardiovascular medicine fellowship, Dr. Cantillon earned a Sydell and Arnold Miller Family Heart, Vascular & Thoracic Institute Competitive Research Grant.

Publications and Speaking: Dr. Cantillon has or co-authored more than 50 scientific papers, multiple chapters in medical textbooks and co-authored clinical practice guidelines. He is a regular scientific reviewer for Journal of the American College of Cardiology, Heart Rhythm, and other journals. He has been an invited speaker at the Heart Rhythm Society, American Heart Association, American College of Cardiology and the International Academy of Cardiology and participated in several "Meet the Experts" or “Meet the Professor” panels, and has delivered invited Grand Rounds presentations at other health systems.

About Dr. Cantillon: “I consider it a privilege to serve patients by managing complicated heart rhythm disorders.  Such conditions can be frustrating to patients and doctors.  We commit ourselves to excellence and pledge to give each patient our very best efforts.”

Leisure time activities: Dr. Cantillon enjoys basketball, canoeing/outdoors, fencing, golf and spending time with family

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic
Clinical Cardiac Electrophysiology
Cleveland, OH USA

Fellowship - Cleveland Clinic
Cardiovascular Medicine
Cleveland, OH USA

Residency - New York Presbyterian Hospital
Internal Medicine
New York, NY USA

Medical Education - Georgetown University School of Medicine
Washington, DC USA

Undergraduate - Michigan State University
East Lansing, MI USA


  • Internal Medicine - Cardiovascular Disease
  • Internal Medicine - Clinical Cardiac Electrophysiology

Specialty Interests

Arrhythmia management including complex catheter ablation, Pulmonary Vein Isolation Ablation, Atrial Fibrillation, Cardiac device therapy (pacemakers, ICDs, cardiac resynchronization therapy), Transvenous lead and cardiac device extraction, Ventricular Tachyarrhythmias, Sudden Cardiac Death, Arrhythmias in the cardiac transplant, heart failure and ventricular assist device patient population

Awards & Honors

  • Distinguished service award 2013 American College of Cardiology, Board of Trustees, Ohio Chapter
  • Caregiver Celebrations Awards, 2013-2014
  • Cleveland Clinic Innovator of the Year for Health Information Technology, 2017
  • Top Doctors in Medicine, Cleveland Magazine, 2018
Research & Publications

Research & Publications

See publications for Daniel Cantillon, MD.

(Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 3/9/2021, Dr. Cantillon has reported the financial relationships with the companies listed below. In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Consulting and/or Speaking. Dr. Cantillon receives fees of $5,000 or more per year as a paid consultant, speaker or member of an advisory committee for the following companies:

  • Boston Scientific Corporation

Royalty Payments. Dr. Cantillon receives or has the right to receive royalty payments for inventions or discoveries commercialized through the companies shown below:

  • Cerner Corporation
  • Airstrip Operations, LLC

Right to Future Distribution of Cleveland Clinic Financial Interest. Dr. Cantillon may receive future financial benefits from the Cleveland Clinic for inventions or discoveries commercialized through the companies shown below:

  • Airstrip Operations, LLC
  • Cerner Corporation

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Patient Satisfaction Reviews

277 Patient Satisfaction Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
4.9 out of 5
Explains 4.9
Listens 4.8
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

67 Patient Comments

Reviewed on Jul 14, 2021

Both Dr. Cantillon and Brittany the pacer technician are outstanding.

Reviewed on Jul 14, 2021

My doctor was incredible. He could not have been more polite, respectful and forthcoming with information and concern regarding my condition!

Reviewed on Jul 14, 2021

Exceptional professionalism. I trust Dr. Cantillon and his advice. The care he has provided to me has been exceptional.

Reviewed on Jun 30, 2021

Wonder full Dr very knowledgeable! Answered all my questions!

Reviewed on Jun 30, 2021

Very happy to have Dr. Cantillon as my doctor. Very competent,professional,and caring in every way. Typical of Cleveland Clinic high standards!

Reviewed on Jun 24, 2021

Dr. Cantillon is always amazing and caring. He puts his patients first and is my favorite doctor!

Reviewed on May 27, 2021

He is a wonderful person and Doctor very please and comfortable with him

Reviewed on May 20, 2021

The Doctor was very personable and was very involved with my future medical care with the Cleveland Clinic.

Reviewed on May 19, 2021

I consider myself VERY fortunate to have Dr. Cantillon as my physician. His compassion, explanations for procedurers, listening skills, answering my questions, professionalism and good personality is everything I expect in a doctor. I ALWAYS feel I have THE BEST doctor who has extended my life and I am grateful.

Reviewed on May 19, 2021

I would easily say Dr.Cantillon is the best Physician I have ever encountered. He explained everything so well and most importantly listened.

Reviewed on May 14, 2021

Dr. Cantillon is very attentive to what I have to say. I enjoy meeting with him and very much appreciate what he does for me.

Reviewed on May 13, 2021

Dr Cantillon was just awesome. thorough, professional!

Reviewed on May 13, 2021

Dr. Cantillon was outstanding.

Reviewed on May 13, 2021

Once again Dr. Cantillon was outstanding as was nurse Jessica Bishop who did my device check.

Reviewed on May 6, 2021

Using MyChart message physician always provides quick response.

Reviewed on May 6, 2021

*Dr. Cantillon is excellent.

Reviewed on May 5, 2021

Dr. takes his time , visit is structured to patients needs. always ask if I understand or do i have anything I would like to know futher.

Reviewed on Apr 29, 2021

Dr Cantillon is one of my favorite people.. he's so kind as well as knowledgeable and always takes him time and makes me feel valued as a patient

Reviewed on Apr 29, 2021

*Dr. Cantilion was the most compassionate & caring doctor I ever met!

Reviewed on Apr 22, 2021

Dr. Cantillon has always taken the time to explain his thoughts on my health issues. He offers various options, discusses the pros and cons and I believe listens to me to understand me well enough that we make a joint decision on path forward / treatment.

Reviewed on Apr 21, 2021

Dr. Cantillon takes so much time and answers all of my questions. I leave feeling so informed and relieved.

Reviewed on Apr 21, 2021

after my first visit, I recommended my brother in law who lives in Columbus see Dr. Cantillon.

Reviewed on Apr 16, 2021

Dr. Cantillon appears to be compassionate and interested in his patients and their health.

Reviewed on Apr 15, 2021

I've recommended Dr. Cantillon to 2 other people. one of which has an appointment and the other who plans to call soon

Reviewed on Apr 8, 2021

Wonderful Dr. cannot say enough wonderfully things about him .

Reviewed on Mar 25, 2021

Dr. Cantillon is my favorite doctor. He takes time and listens to you and answers all your questions. I wish all doctors were as thorough and listened like he does. I recommend him to all my friends with heart issues.

Reviewed on Mar 24, 2021

Excellent. Dr. Cantillon was thorough, addressed all of my concerns, and developed a treatment plan moving forward!

Reviewed on Mar 19, 2021

Dr. Cantillon is an outstanding care provider

Reviewed on Mar 18, 2021

I have had four electrophysiologists in two locations. Dr. Cantillon is the best.

Reviewed on Mar 10, 2021

Dr. Cantillon instilled immediate confidence. He was able to address all of my concerns -- spoken and unspoken -- making my decision process much easier.

Reviewed on Mar 4, 2021

doctor was very thorough in explaining treatment options. found doctor to be personable and concerned about my case

Reviewed on Mar 4, 2021

I love Dr. Daniel Cantillon. He listens and explains care and treatment thoroughly. He is the best and I would definitely recommend him to others.

Reviewed on Mar 4, 2021

I am very impressed with Dr. Cantellon. He is a knowledge source and passionate care giver who takes his mission very well. He spent a great deal of time with me asking questions, listening, providing knowledge, and recommendations. When I left the office, we had a plan. Very well done!!

Reviewed on Mar 4, 2021

I have already recommended several people to the CC and Dr. Cantillon.

Reviewed on Feb 24, 2021

Dr Cantillon spent time to explain the procedure. I was comfortable about it when I left the appt

Reviewed on Feb 12, 2021

Always feel better after seeing and talking with Dr. Cantillon. He identities issues, presents options and then helps formulate a plan of treatment.

Reviewed on Jan 26, 2021

he is the best Dr I've ever met. discusses and explains everything very well and really listens to me.

Reviewed on Jan 18, 2021

Dr. Cantillon is a fabulous physician. I am fortunate to have him helping to take care of my heart.

Reviewed on Jan 14, 2021

This was a second opinion request. Dr. Cantillon was well informed as to my condition and provided an excellent synopsis and evaluation of various alternatives open to me in the future.

Reviewed on Jan 14, 2021

this was my first video appointment and it was so easy. it was a great experience and Doctor Cantillon was exceptional to work with. we came up with a good strategy for my treatment and I am very satisfied.

Reviewed on Jan 14, 2021

Doctor was exceptional.

Reviewed on Dec 17, 2020

Dr. Cantillon was great-no time wasted, but covered everything and answered all my questions completely.

Reviewed on Dec 17, 2020

Doc is an excellent cardiologist, awesome human being. I am thankful for all he and his staff do for me and my family.

Reviewed on Dec 16, 2020

Dr. Cantilon is always professional a great listener allows time for any discussion or questions I have. I've been a patient of Dr Cantilons since 2006. I can't speak enough of my confidence and respect I have for him

Reviewed on Dec 16, 2020

wouldn't consider another provider

Reviewed on Dec 16, 2020

Dr C is excellent

Reviewed on Nov 19, 2020

Provider showed great concern for my well-being.

Reviewed on Nov 19, 2020

I absolutely love Dr Cantalone. because I am a nurse, I subject him to all kinds of questions. he is great at explaining things.

Reviewed on Nov 19, 2020

Dr Cantalone works very well with the nurses on his staff. and his nurses are great. it is very obvious the communication among them is very good.

Reviewed on Nov 4, 2020

excellent excellent doctor

Reviewed on Oct 29, 2020

Dr. Cantillon is a treasure of immense talents and personality. I fully trust that he takes care of me as though I was a member of his own family.

Reviewed on Oct 22, 2020

I appreciate Dr. Cantillon's outcome focused treatment approach. While I have not needed to send him many messages over my 4 years under his care, he always responds quickly. I could not be more pleased with the care I have received from the Cleveland Clinic, Dr. Cantillon, and his staff!

Reviewed on Oct 1, 2020

doctor made sure I understood everything we discussed.

Reviewed on Sep 24, 2020

Dr Cantillon is an exceptional cardiologist who is always ready to answer all our questions thoroughly. We feel we are getting the best care possible with Dr. Cantillon and the Cleveland Clinic.

Reviewed on Sep 17, 2020

Dr. Cantillon was extraordinary. He was extremely knowledgeable and reassuring. My primary care physician also remarked on the thoughtful and pleasant message Dr. Cantillon sent after our appointment. Excellent experience.

Reviewed on Sep 10, 2020

Dr. Cantillon has been very professional and his care has been very effective.

Reviewed on Sep 10, 2020

I had an extensive conversation with the doctor and he gave me as much time as needed so I understood his recommendations. Excellent care .

Reviewed on Aug 27, 2020

Dr Cantillon was wonderful, patient, kind and extremely caring.

Reviewed on Aug 27, 2020

Once my appointment began, I was very pleased with the quality of the interaction and entire experience. I feel Dr. Cantillon is super qualified to treat my heart issues.

Reviewed on Aug 27, 2020

I had 4 appointments (2 Dr & 2 tests) the day of my visit. The scheduler did a great job of coordinating the multiple appointments for me. This was important given I was traveling from far away.

Reviewed on Aug 27, 2020

The Dr. listened to my questions and took adequate time to give explanations.

Reviewed on Aug 27, 2020

Dr. Cantillon was fantastic. He came in and sat down to chat like we were old friends. He was very attentive, asked me a lot of follow up questions and made me feel for the first time in two years that we were going to come to a diagnosis for the issues I have been experiencing.

Reviewed on Aug 20, 2020

With Dr Cantillon I feel like we have a conversation on an equal level. He takes plenty of time to explain the treatments and I never feel rushed. At the end I feel like We covered all my questions.

Reviewed on Aug 20, 2020

Dr. Cantillon's office staff is always great with anything I have questions about. Even a quick MyChart message is always promptly returned. It's greatly appreciated.

Reviewed on Aug 20, 2020

Dr. Cantillon is one of the best doctor's I've ever had. He's approachable, down to earth, and takes time to get to know you as a person. He's quick and efficient, but never let's you leave with unanswered questions. One of the best by far!

Reviewed on Aug 6, 2020

As always dealing with Dr Cantillon is a highly professional experience! He is knowledgeable, articulate personable and gives one a feeling of great comfort that he knows your particular situation and how it should be treated! He is the best!

Reviewed on Jul 27, 2020

Dr. took his time to explaining everything

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