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 & Pacing Section
  • Cardiology
  • 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 15 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 in the Section of Electrophysiology and Pacing in the Robert and Suzanne Tomsich Department of Cardiovascular Medicine, Sydell and Arnold Miller Family Heart & Vascular 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 2018 “Top Doctors” in Cardiovascular Medicine by Cleveland Magazine.

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 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 6/3/2019, 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:

  • Abbott Laboratories
  • 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

296 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 4.9
Courtesy, Respect & Concern 4.9
Knows Medical History 4.8
Time Spent with Patient 5
Patient Rating of Doctor 4.9

38 Patient Comments

Reviewed on Sep 11, 2019

Dr. Cantillon spent the necessary time to go over my condition, available options, risks and expected outcomes. Made me feel as if he is part of my team.

Reviewed on Aug 28, 2019

I am extremely impressed by my encounter with Dr Cantillon an staff. I have complete confidence in this outstanding physician.

Reviewed on Aug 22, 2019

Dr. Cantillon took all the time I needed to answer questions, look at options, and mutually arrive at a great solution. DR. CANTILLON IS THE BEST!!!!!

Reviewed on Aug 14, 2019

Very Happy with the way Dr. Cantillon communication with me and explanation of the test he planned for me. Very thoroughly and easy to understand.

Reviewed on Aug 8, 2019

I had an excellent visit and the doctor explained in very clear terms what I needed to do for my benefits.

Reviewed on Aug 8, 2019

The doctor helped me by explaining why the items I was adverse to were for my best benefit and welfare.

Reviewed on Jul 31, 2019

Dr. Cantillon is kind and compassionate and goes above and beyond to make you feel comfortable. He takes the time to explain in detail the condition and allows questions to be asked. He makes sure that everything is understood and a plan for treatment is determined as a result of discussion and decisions made by both the patient and himself. I would recommend him to anyone in need of care in his specialty.

Reviewed on Jun 19, 2019

It was essential to me that I be heard, that my concerns be addressed, that I be a part of the decision making process. communication is important to me. I felt comfortable and reassured after speaking with Dr. Cantillon and his staff.

Reviewed on Jun 7, 2019

Dr. Cantillon is a very caring and engaged physician. He welcomed my questions and answered them in a clear and complete way.

Reviewed on Jun 6, 2019

Dr Cantalon is an exceptional doctor. He does not rush you through your visit, he listens, and explains the options or treatments he is suggesting. I highly recommend him.

Reviewed on Jun 5, 2019

my husband and I were very impressed with Dr Daniel Cantillon.he was friendly, relaxed and very knowledgeable about my condition and alternative available treatments he could offer.he inspired confidence in him as my doctor.our overall experience at the Cleveland Clinic was excellent. all staff we interacted with were friendly, professional and efficient.very impressive overall!

Reviewed on Jun 5, 2019

Dr Cantillon is not only impressive regarding his credentials and knowledge, he is impressive in his ability to make patients feel comfortable, heard, and respected.I was included in every decision and felt very much a strong part of my treatment plan!

Reviewed on May 23, 2019

Dr Cantillon takes the time to listen and thoroughly explains your plan of care, ensuring you understand, addressing any concerns you may have. Always kind, thoughtful and respectful of you and your family. I would recommend both Dr Cantillon and Cleveland Clinic to anyone who is seeking medical care.

Reviewed on May 22, 2019

I am thrilled to have Dr. Cantillon as my Doctor. He was very thorough in insight full with my health. he also was very easy to talk to and answered all of my questions completely. I'm so happy to have him as my new Cardiologist!!!

Reviewed on May 22, 2019

Dr. Cantillon is also my Dad's cardiologist and I have already referred people to him.

Reviewed on May 17, 2019

dr cantillon is one of the kindest, most caring health professionals I have encountered. I feel very fortunate to be under his care

Reviewed on Apr 11, 2019

My wife cried (with joy) after our long visit with Dr Catolin and his resident and developing a plan. Former cardiology had no time and no plan. THANK YOU DR. C

Reviewed on Apr 10, 2019

Excellent experience with Dr. Cantillon. Professional, exudes knowledge and competence, takes time to educate for those of us that want deeper understanding. Excellent.

Reviewed on Apr 4, 2019

Dr. Cantillon took the time to answer questions in a way I could understand while addressing my issues. Never rushes through it.

Reviewed on Apr 4, 2019

Dr. Cantillon and team including Elizabeth and Casey were great.

Reviewed on Apr 4, 2019

Dr Cantillon took the time to listen to and address my concerns. I truly appreciate the value of his time spent.

Reviewed on Mar 13, 2019

each time I meet with Dr. Cantillon I'm impressed with how much time he takes to listen to me, discuss a plan of care and allowme to process our discussion and have time to question him further. never once have I felt rushed or like his time is limited. He is also amazing at remembering personal details which makes me feel more comfortable. not just a "diagnosis" but a person who is being treated wholly.

Reviewed on Feb 28, 2019

Daniel Cantillon should one day direct/run/lead Cleveland Clinic. I have never encountered a physician as competent or capable as Dr. Cantillon

Reviewed on Feb 28, 2019

Dr. Cantillon is a kind and professional physician and I feel fortunate to have him as my Dr. my primary care physician contacted him while I was in her office with a new health issue and he responded immediately.

Reviewed on Feb 13, 2019

Dr. Cantillon was very nice, friendly, respectful, and informative. He made me comfortable the whole experience. He explained to me the step by step plan and asked if I had questions every time before moving on to the next step. He also made sure that I understand everything before proceeding. He provided options and included me in the decision making for my care each step of the way. Excellent care provider and definitely would highly recommend him!

Reviewed on Feb 11, 2019

Dr. Cantillon is the best! He always makes me feel like I'm the only patient he has. I DO recommend him!

Reviewed on Jan 24, 2019

Dr. Cantillon is a truly wonderful physician-- best of the best.

Reviewed on Jan 24, 2019

the best experience I could possibly describe from scheduling down to Dr. Cantillon, who was absolutely amazing! I so look forward to my next visit there!

Reviewed on Jan 24, 2019

the very best physician I have seen to date. I am so happy we found Dr Cantillon!

Reviewed on Jan 24, 2019

very caring doctor, took his time never was rushed.

Reviewed on Jan 10, 2019

Dr. Cantillon always takes time to explain and answer my questions -never rushes me, even though I know how busy he is.

Reviewed on Jan 3, 2019

Dr. Cantillon is excellent! He answered all of my questions and was very caring. I feel confident in his care.

Reviewed on Dec 15, 2018

My exit plan was completely incorrect. The medications and dosages were incorrect. I spent 3 days straightening out the mess. My primary physician's head nurse was most uncooperative.

Reviewed on Nov 16, 2018

love my doctor. he spends the time with you, you need. I don't mind waiting for a good doctor.

Reviewed on Nov 1, 2018

I was very impressed by this doctor's attention to detail, explaining everything in an easy to understand way, and showing genuine concern for the best outcome.

Reviewed on Oct 11, 2018

really liked Dr. Cantenille. He spent a lot of time with us, answered all our questions in a manner we could understand. we were very impressed with him.

Reviewed on Oct 5, 2018

The way Dr. Cantillon fully explains all treatment options is one of the things I love about him. He gives his genuine thoughts based on his experience which allowed me to make informed decisions regarding my plan of care. he gave me time toask questions and voice concerns and he never makes light of even the simplest of questions.

Reviewed on Sep 26, 2018

The staff of Dr. Cantillon and the Doctor himself are all excellent. I was highly impressed with everyone and how they handled and answered any questions or concerns I may have. This was the first time I was ever at Cleveland clinic and I was so highly impressed and feel very confident in moving forward with my health care needs.

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