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

Cleveland Clinic Main Campus

Specialties & Treatments

Treatment & Services

  • Aorta Center
  • Cardiac Oncology
  • Cardio-Oncology Center
  • Cardiovascular Imaging
  • Cardiovascular Imaging Section
  • Cardiovascular Medicine
  • Cardiovascular Medicine Department
  • Heart Imaging
  • Hypertrophic Cardiomyopathy Center
  • Pericardial Diseases Center
View all 10 Treatment & Services +

Specialty in Diseases & Conditions

  • Amyloidosis
  • Anthracycline Cardiomyopathy
  • Aorta Disease
  • Aortic Aneurysms
  • Aortic Stenosis
  • Aortic Valve Regurgitation
  • Cancer and Heart Disease
  • Cardiac Disease
  • Cardiac Tumors
  • Cardiomyopathy
  • Cardiomyopathy Secondary to Chemotherapy
  • Cardiovascular Disease in Lymphoma
  • Cardiovascular Effects of Breast Cancer Treatment
  • Cardiovascular Effects of Radiation Therapy
  • Cardiovascular Surveillance of Cancer Survivorship
  • Checkpoint Inhibitors and Cardiovascular Disease
  • Chemotherapy Induced Cardiomyopathy
  • Ejection Fraction - Abnormal
  • Enlarged Heart
  • Heart Disease
  • Heart Murmur
  • Heart Related Illnesses
  • Heart Valve Disease
  • Heart Valve Infections
  • Hodgkin's Disease Cardiovascular Effects
  • Hypertensive Heart Disease in Cancer Patients
  • Hypertrophic Cardiomyopathy
  • Mitral Valve Prolapse
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Myomas
  • Pericardial Disease
  • Pericarditis
  • Radiation Heart Disease
  • Radiation Induced Cardiomyopathy
  • Rheumatic Fever
  • Rheumatic Heart Disease
  • Rheumatoid Arthritis and Heart Disease
  • Thoracic Aorta Disease
  • Thoracic Aortic Aneurysm
  • Tricuspid Valve Disease
  • Tyrosine Kinase Inhibitors Cardiac Effects
View all 42 Specialties +


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About Patrick Collier, MD, PhD

Patrick Collier, MD, PhD, FASE, FESC, FACC is a cardiologist in the Section of Cardiovascular Imaging in the Robert and Suzanne Tomsich Department of Cardiovascular Medicine, in the Sydell and Arnold Miller Family Heart, Vascular & Thoracic Institute at Cleveland Clinic. He is Co-Director of the Cardio-Oncology Center, Associate Director of the Echo Lab and is Associate Professor at Cleveland Clinic Lerner College of Medicine of Case Western Reserve University.

Specialty Interests: Cancer-related heart disease (cardio-oncology), Multi-modality cardiovascular imaging, Echocardiography, Trans-esophageal echocardiography, Structural heart disease including heart valve disease, thoracic aortic disease, endocarditis, pericardial disease, hypertrophic cardiomyopathy, aortic disease, amyloidosis

Number of Procedures Performed: Each year, Dr. Collier reads over 4,000 echocardiogram (echo) studies, including transthoracic echo, transesophageal echo (TEE), dobutamine stress echo, exercise stress echo, specific left ventricular assist device and pacemaker studies. He also participates in echo-guided interventional procedures (Pericardiocentesis, TAVR, E-Clip, Balloon Valvuloplasty, Alcohol Septal Ablation, Left Atrial Appendage Closure Devices) and operating room consultations (including epicardial echo).

Success Rates: Cleveland Clinic is nationally and internationally renowned for the world’s best cardiovascular care. Success rates for specific procedures are available at: http://my.clevelandclinic.org/heart/about-heart-vascular-institute/treatment-outcomes.aspx

Education and Training: Dr. Collier was the top overall undergraduate in his final medicine class at National University of Ireland in Cork. He completed his internship and residencies in medicine and surgery at Cork University & Mid-Western Regional Hospitals. Dr. Collier was a cardiology fellow in the National Cardiology Training Program and earned his PhD at University College Dublin, completing a Clinician Scientist fellowship involving translational medical research in the area of cardiac fibrosis (heart scarring). He completed an additional fellowship in multi-modality cardiovascular imaging at Cleveland Clinic, and was appointed to Cleveland Clinic professional staff in 2013.  He obtained ABIM Board Certification in Internal Medicine (via the Faculty Pathway) in 2017.  He obtained ABIM Board Certification in Cardiovascular Medicine (via the Faculty Pathway) in 2018.

Research, Publications and Speaking: Dr. Collier is heavily involved in research, including his roles as Physician Reviewer for the C5 Imaging Core Lab (Juventas JTCS-004 Trial Study; St. Jude Lifetime Cohort Study Echocardiographic Detection of Treatment-related Cardiac Dysfunction in Adult Survivors of Childhood Cancer), and Clinical Adjudicator for the Sapien 3 Partner II Trial. His research interests include cancer therapy-related heart disease and the use of multi-modality cardiovascular imaging in many forms of structural heart disease. He is collaborating with a group of physicians and scientists to better understand the pathophysiology of these disorders.

Dr. Collier is widely published in leading medical journals, including the Journal of the American College of Cardiology and Circulation. He has written many book chapters related to valve disease.  He is Section Editor Cardio-Oncology for the Journal of the American College of Cardiology. In 2019, he was invited to serve as a member of the SWOG Cardio-toxicity Advisory Panel and to serve as Liaison on the American Heart Association Molecular Determinants of Cardiovascular Health Committee 2019-2021. He also serves as a reviewer for the Journal of the American College of Cardiology, Circulation, European Journal of Heart Failure, Heart (BMJ Group), Journal of Cardiovascular CT and Journal of the American Society of Echocardiography.

He has given numerous presentations at professional meetings and symposiums, including the Keystone Symposium.

About Dr. Collier: “I enjoy working as a doctor because it is a true privilege and honor to be able to help other people. Cardiovascular imaging is a particularly fascinating area to work in, as current technology often provides incredible images that can clearly show the inner workings of the heart and blood vessels to help guide appropriate treatments for patients.”

Leisure time activities: Dr Collier enjoys spending as much time as possible with family. His hobbies include music and sports, in particular golf and soccer. He is a former South of Ireland golf champion.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic
Advanced Cardiac Imaging
Cleveland, OH

Fellowship - Royal College of Physicians of Ireland


Medical Education - University College Dublin (National University of Ireland)

Residency - Cork University Hospital
Cardiology/General Internal Medicine

Medical Education - National University of Ireland, University College Cork

Additional Training

  • Society for Cardiovascular Magnetic Resonance - Level III competence CMRI


  • Internal Medicine
  • Internal Medicine - Cardiovascular Disease

Specialty Interests

Cardio-oncology, Structural heart disease, Amyloidosis, Aortic Disease, Hypertrophic Cardiomyopathy, Pericardial Disease, Valve disease

Awards & Honors

  • 2010 Young Investigator Award, Irish Cardiac Society
Research & Publications

Research & Publications

See publications for Patrick Collier, MD, PhD.

(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 4/24/2024, Dr. Collier 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.

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

249 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 5
Patient Rating of Doctor 5

90 Patient Comments

Reviewed on May 24, 2024

This was my first appointment with the doctor. He was extremely helpful and answered all my questions.

Reviewed on May 20, 2024

Well I answered the last question and this one for the same person , his PA was awesome and just helped ease the anxiety

Reviewed on May 20, 2024

Dr.Collier is so good! He takes his time to get to know you and he also addresses any questions you may have. I am so thankful he is my cardiologist.

Reviewed on May 13, 2024

Dr. Collier has been my physician for 6 years and he is wonderful! He explains everything and he provides the best care for me!

Reviewed on May 10, 2024

Dr. Collier is a very professional physician. All my concerns were addressed with a clarity that I understood quite well.

Reviewed on May 10, 2024

Impressed with Dr. Collier and the entire heart team from my echocardiogram to the EKG to doctors appointment could not have been smoother. We are so glad that we chose the Cleveland clinic for my Taver valve.

Reviewed on May 10, 2024

All of this has been seamless and Dr Collier treats me like I am the most important person in the world.

Reviewed on May 3, 2024

Great Doctor

Reviewed on Apr 26, 2024

Dr collier was the best cardiologist!!!

Reviewed on Apr 26, 2024

Dr. Collier is a superb Cardiologist. He was patient and explained everything very well. Extremely thorough and professional and a friendly person to have as a doctor.

Reviewed on Apr 26, 2024

Excellent visit! Dr Collier was informative, listened and educated me on my condition and path of treatment!

Reviewed on Apr 22, 2024

Very impressed with Doctor Collier.

Reviewed on Apr 22, 2024

Totally satisfied with my doctors care

Reviewed on Mar 29, 2024

Dr. Collier and his staff are truly outstanding

Reviewed on Mar 29, 2024

Dr Collier and his team do their best , go above and beyond to accommodate for patients. Feel gifted to be under his best care

Reviewed on Mar 29, 2024

Lucky to be under Dr Collier's Care

Reviewed on Mar 25, 2024

I would highly recommend Dr Collier. He is very knowledgeable, attentive, patient, caring, informative. I feel very much at ease to talk with him. My oldest daughter came with me. He included her and answered all her questions and then some. He gave me a good prognosis about my heart and pacemaker. Explained the xray and all concerns, patiently. My only complaint is my appointment ended too soon, lol and I loved having enlightening conversations with him. Thank you Dr Collier

Reviewed on Mar 25, 2024

I have never had a visit with a doctor who was more considerate, communicative and open to personal dialog rather than pushing to support staff. Extraordinary.

Reviewed on Mar 22, 2024

Very efficient and personable process and people. Ensured I had the exact right provider.

Reviewed on Mar 22, 2024

Dr. Collier was brilliant. He reviewed all my records, listened to my concerns, clearly answered all my questions and left me feeling in the most skilled of care and hands. I can't say enough about how grateful I am that I found this doctor and received the benefits of his evaluation and plan for care.

Reviewed on Mar 20, 2024

Dr. Collier was thorough and thoughtful. He covered everything clearly and gave us the information and understanding we needed to make decisions about care. He instills great confidence with his approach.

Reviewed on Mar 18, 2024

Dr Collier is an excellent Dr, not only for his technical knowledge and skill but for his kindness an empathy. The staff follows his lead and are excellent as well.

Reviewed on Mar 11, 2024

Dr. Collier was wonderful and very knowledgeable. He answered my questions and focused on me as the patient at the appointment Instead of directing his comments to my husband. He spent all of the time needed to explain my condition and answer my questions, and I didn't feel that the appointment was rushed at all.

Reviewed on Mar 4, 2024

Dr. Collier is a rare breed. The quality time I spent with him was informative and very understandable. His kind, concerned manner was reassuring ,and I never felt rushed.

Reviewed on Mar 1, 2024

I was quite upset about my medical diagnosis. Dr Collier explained everything clearly and thoroughly. He is very intelligent and has an excellent bedside manner.

Reviewed on Mar 1, 2024

I liked him and he was very helpful

Reviewed on Mar 1, 2024

Dr. Collier was everything I like in a doctor (carrying about his patients

Reviewed on Feb 26, 2024

This place is incredible everyone from the folks that clean the room to the surgeon are top notch, I can not express how my wife and I are with the doctors and staff at Cleveland Clinic. Yes, I would recommend Cleveland and Clinic to everyone.

Reviewed on Feb 23, 2024

Dr. Collier is one of the best physicians I've ever seen. He is kind, caring and truly listens to your concerns. What a gift he is to his patients and to your institution!

Reviewed on Feb 23, 2024

Dr. Collier had clearly familiarized himself with all that was going on in my chart since my last visit with him. Makes me appreciate the fact that he sees me as a whole person with health issues other than my heart. He said he smiled when he saw that I had been doing better with other health issues.

Reviewed on Jan 26, 2024

Dr. Patrick Collier is likely the most responsive, articulate and knowledgeable medical professional with whom I have ever dealt in my 68 years.

Reviewed on Jan 26, 2024

Dr. Collier is first rate! Excellent communicator.

Reviewed on Jan 26, 2024

Dr Collier is great. He explained every question I had. It's worth driving 3 hours to see him. I highly recommend Dr Collier!

Reviewed on Jan 15, 2024

This was probably one of the best experiences I have had. The doctor took all the time to explain any questions I had and did not rush through the appointment. Everyone from the front door to the testing to the doctor were great.

Reviewed on Jan 15, 2024

Dr . Collier is fantastic! I can't say enough good things about him and the care he gave to me.

Reviewed on Jan 5, 2024

It was a great experience. Doctor Collier is a very caring person and very knowledgeable. He took a lot of time to talk to me and answer questions.

Reviewed on Jan 5, 2024

Dr Collier was very kind and knowledgeable about my condition. He answered all my questions and never rushed through the appt. Excellent doctor.

Reviewed on Dec 29, 2023

Dr. Collier provided excellent and understandable information. Very attentive to my concerns.

Reviewed on Dec 22, 2023

First of all I NEVER do these surveys. Bur for Dr. Collier I will. He's great!

Reviewed on Dec 18, 2023

Dr very informative!!!!

Reviewed on Dec 15, 2023

Dr Collier very knowledgeable, personable, compassionate. He took extra time to talk through my conditions, options, and plan of care.

Reviewed on Dec 15, 2023

Dr Collier is the most outstanding doctor I have ever worked with

Reviewed on Dec 15, 2023

Dr. Collier is the best!! As a patient, you can feel comfort in his vast knowledge as well as his sincerity in your long term health. I am blessed to be under his care.Do you know he called me at 5PM on a Friday to address my problem at that time?? Who else does that? He is exceptio

Reviewed on Dec 15, 2023

Dr. Collier made me feel very comfortable

Reviewed on Dec 15, 2023

I was assigned to meet with Dr. Patrick Collier. I read his background online, and also heard him talk about his impressions of the CC doctors whom he met in Dublin. He was especially Impressed with the careful attention that these doctors gave to their patients and the personal concern that they had for them. Dr. Collier said that right away he knew that he wanted to be that kind of doctor . And I would say, from our initial encounters, that he has made good on that desire.

Reviewed on Dec 12, 2023

Dr Collier is terrific. Cleveland clinic is remarkable.

Reviewed on Dec 4, 2023

My first time meeting Dr. Collier and his bedside manner was excellent. Seemed genuinely concerned about what I was going through.

Reviewed on Dec 1, 2023

Encounter had a significant delay and provider seemed a bit rushed and did lots of talking so there was a lot to absorb in a short period of time. Provider talked to fast.

Reviewed on Dec 1, 2023

Dr. Collier is the best!

Reviewed on Dec 1, 2023

Dr.Collier was so kind and took his time with me. Extremely impressed with him.

Reviewed on Dec 1, 2023

Dr.Collier was so kind and took his time with me. Extremely impressed with him.Leaving Dr.Collier's visit, his scheduler was very nice and helpful.

Reviewed on Nov 21, 2023

I scheduled a trip to Cleveland around my annual in person appointment. It was then moved, then cancelled then finally virtual. The virtual was great, so it all worked out, as my cat scan results were stable. Dr. Collier's office was so helpful in addressing the changes, but it was stressful In person always better, and preferred.

Reviewed on Nov 6, 2023

I have been seen by 3 providers, and I will definitely stay with Cleveland Clinic & Dr. Collier.

Reviewed on Nov 6, 2023

Dr.Collier is a compassionate and knowledgeable cardiologist who has been on a journey with me from the recommendation for mitral valve repair surgery a year ago until today's check in visit. I trusted his judgments and advice every step of the way. I'm very grateful for his care and so fortunate to have him as a care giver.

Reviewed on Nov 6, 2023

Dr. Collier, is a fine man and the finest physician I have ever had. His cognitive map is vast and intricate. I am very fortunate to have him as my cardiologist.

Reviewed on Nov 6, 2023

Professional, very attentive. Staff assisted us with escalation of medical records from other health care providers.

Reviewed on Nov 3, 2023

What a Super Doctor! Leaves You Feeling Confident & So Comfortable . Great All around Person & Stellar Doctor.

Reviewed on Oct 27, 2023

Thank You to all Doctors & Staff.

Reviewed on Oct 23, 2023

Dr. Collier is a calming influence and an expert on keeping me heart healthy I am so fortunate he is my doctor

Reviewed on Oct 20, 2023

Dr. Collier is kind and courteous and extremely competent at his profession. So happy to be in his hands.

Reviewed on Oct 20, 2023

I commented earlier on Dr. Collier, but to repeat, he's extremely caring, considerate, and competent. Very pleased to be in his care.

Reviewed on Oct 20, 2023

My Dr is the best!

Reviewed on Oct 13, 2023

+My experience with Cleveland Clinic and with Dr. Patrick Colliernot have been better. Every apt. Was right on time. Dr. Collier is an excellent doctor. I cannot say enough good things about him. I have total confidence in his care for me.

Reviewed on Sep 22, 2023

All providers encountered were great!

Reviewed on Sep 22, 2023

Dr collier is a rock star. He diagnosed my original problem and has stayed with me through it all. Back here now to fix the valve again It's all good

Reviewed on Sep 22, 2023

Dr. Collier is both incredibly caring and a very insightful, intelligent cardiologist. He always takes the time to answer my questions...and assures that the core issues are identified and explained clearly. I'm delighted and grateful to be served by him.

Reviewed on Sep 15, 2023

Dr. Pat Collier was excellent at informing me of the stages of the physical problems and the next steps.

Reviewed on Sep 11, 2023

Dr Collier is very caring. Takes the time to answer all questions. I never feel rushed. He's very professional.

Reviewed on Aug 28, 2023

Dr. Collier actually takes the time to talk to you.

Reviewed on Aug 28, 2023

Great Doctor

Reviewed on Aug 28, 2023

Love Dr. Patrick Collier as he is a caring and highly skilled heart doctor.

Reviewed on Aug 25, 2023

Dr. Collier answered all my questions and even called me at home to give me some test results. He was wonderful!

Reviewed on Aug 25, 2023

Fantastic doctor

Reviewed on Aug 24, 2023

Excellent !! I love Dr Collier.

Reviewed on Aug 22, 2023

Dr. Collier is seriously the best. He was really really kind

Reviewed on Aug 11, 2023

They called me in quick response from my other physician. Staff and Dr Collier were kind and so quick to respond. Excellent with patient

Reviewed on Aug 11, 2023

Really hope it will be better and cleaner next time we need to come for care. The hospital rooms didn't seem very clean. Floors and base trim was dirty. I would like to commend a nurse I had that was exceptional. His first name was Zach. He was very kind gentle and patient. Dr Collier and Dr Nahkla were wonderful.

Reviewed on Aug 11, 2023

Dr. Collier is very responsive and caring. He listens carefully, provides clear explanations and answers questions clearly and promptly.

Reviewed on Aug 11, 2023

I am extremely happy with my care at the Cleveland Clinic and with Dr. Collier. After my visit I had a question about the CT scan results and Dr. Collier responded within 24 hours at 6:00 PM on a Saturday. The care greatly exceeded all expectations and I couldn't be more pleased.

Reviewed on Aug 4, 2023

Dr. Collier is superb.

Reviewed on Jul 31, 2023

Dr. Collier was excellent, I have a terminal condition and I've had countless appointments at the clinic. He took the time to completely explain the results of my tests along with the condition that my heart is currently in. Dr. Collier totally put my mind at ease. I would recommend Dr. Collier to anyone that could benefit from his expertise.

Reviewed on Jul 28, 2023

Dr. Collier really understands my situation and offered really solid perspective on next steps. I'm so happy to have a care provider who doesn't freak out about my condition.

Reviewed on Jul 28, 2023

Dr. Collier is the very best. Great listener and explainer. Friendly, knowledgeable and professional. My husband and I love Dr Collier.

Reviewed on Jul 28, 2023

*Dr. Collier is the best.

Reviewed on Jul 25, 2023

Dr. Collier is professional, very patient oriented and caring. He explains test results thoroughly and easily understood.

Reviewed on Jul 17, 2023

Dr. Collier was great. He listened, asked questions and compassionate.

Reviewed on Jul 17, 2023

The care given by Dr Collier and Cleveland Clinic is unmatched.

Reviewed on Jul 14, 2023

Dr Collier spends as much time as I need and I have never felt rushed.

Reviewed on Jun 21, 2023

Dr Collier was very thorough and knowledgeable and took the time to explain everything. The techs who performed the stress echo were excellent as well

Reviewed on Jun 19, 2023

Tremendous. She is a treasure to the clinic and every patient. Wonderful and caring person.

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