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

Cleveland Clinic Main Campus

Specialties & Treatments

Treatment & Services

  • Advanced Ischemic Heart Disease Center
  • Biventricular Pacemaker
  • Cardiovascular Medicine Department
  • George M & Linda H Kaufman Center for Heart Failure
  • Heart Failure Section
  • Heart Transplantation
  • Pericardial Diseases Center
  • Ventricular Assist Device
View all 8 Treatment & Services +

Specialty in Diseases & Conditions

  • Amyloidosis
  • Cardiomyopathy
  • Dilated Cardiomyopathy
  • Familial Cardiomyopathy
  • Heart Failure
  • Heart Failure In Women
  • Hypertrophic Cardiomyopathy
  • Infiltrative Cardiomyopathy
  • Ischemic Cardiomyopathy
  • Pulmonary Hypertension
  • Restrictive Cardiomyopathy
  • Sarcoid Heart Disease
View all 12 Specialties +


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About Mazen Hanna, MD

Dr. Hanna is a staff cardiologist in the Section of Heart Failure and Cardiac Transplantation Medicine in the Sydell and Arnold Miller Family Heart, Vascular & Thoracic Institute.  He is Director of the Heart Failure Intensive Care Unit and Co-Director of the Amyloid Program.  He is board certified in Internal Medicine, Cardiology, and Advanced Heart Failure and Transplant by the American Board of Internal Medicine.  Dr. Hanna performs right and left heart catheterization as well as endomyocardial biopsy.  

In addition to office visits, Dr. Hanna also offers scheduled follow up virtual visits to select patients, through the Cleveland Clinic Express Care ® Online app. This platform allows patients to see their physician live, using their smartphone, tablet or computer.

Specialty Interests: Cardiomyopathy, heart failure, heart transplantation and mechanical circulatory assist devices, pulmonary hypertension, and cardiac amyloid.

Education and Training: Dr. Hanna is a native of Cleveland and grew up in Pepper Pike, Ohio.  He received his Bachelor of Arts degree from Cornell University in Ithaca, New York where he majored in Psychology. He received his Medical Degree from The Ohio State University and went on to do his Internal Medicine training at the Baylor College of Medicine in Houston, Texas where he received the Outstanding Medical Resident Teacher Award.  He came back to Cleveland to do his Cardiology Fellowship training at Case Western Reserve University, MetroHealth Campus where he was appointed Chief Cardiovascular Fellow.  He completed his training with a one year Advanced Fellowship in Heart Failure and Cardiac Transplantation at the Cleveland Clinic.   He was appointed as a staff cardiologist in 2006.  

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic
Heart Failure/Transplant
Cleveland, OH USA

Fellowship - MetroHealth Medical Center
Cleveland, OH USA

Residency - Baylor College of Medicine
Internal Medicine
Houston, TX USA

Residency - Mount Sinai School of Medicine
Internal Medicine
New York, NY USA

Internship - Baylor College of Medicine
Internal Medicine
Houston, TX USA

Medical Education - The Ohio State University College of Medicine and Public Health
Columbus, OH USA

Undergraduate - Cornell University
Ithaca, NY USA


  • Internal Medicine - Advanced Heart Failure and Transplant Cardiology

Specialty Interests

Cardiomyopathy, heart failure, heart transplantation, ventricular assist device, myocardial biopsy, cardiac catheterization, cardiac amyloid, pulmonary hypertension

Awards & Honors

  • Baylor College of Medicine, Outstanding Medical Resident Teacher Award (2000-2001)
  • Case Western Reserve University, Metrohealth Campus, Chief Cardiovascular Fellow (2004-2005)
Research & Publications

Research & Publications

See publications for Mazen Hanna, 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 7/16/2019, Dr. Hanna 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. Hanna receives fees of $5,000 or more per year as a paid consultant, speaker or member of an advisory committee for the following companies:

  • Pfizer, Inc.

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

144 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

22 Patient Comments

Reviewed on Oct 21, 2019

Dr. Hanna is an intelligent person who explains the illness/disease with pictures and articles that helps inform the patient.

Reviewed on Oct 18, 2019

Could not be happier with Dr. Hanna. He is EXCELLENT!!

Reviewed on Oct 18, 2019

Dr. Hanna makes it seem like he just sits and reads information on patient and all the i's are dotted and t's crossed he doesn't miss anything

Reviewed on Sep 13, 2019

can't say enough about the care Dr. Hanna has given my husband. He goes above and beyond!

Reviewed on Sep 10, 2019

I had to call throughout several months until Dr Hanna's schedule was done for the month of September! I understand totally that Dr Hanna is extremely busy with speech seminars, his patients including surgeries... I've always been impressed with Cleveland Clinic, including my appointments with Dr Hanna!

Reviewed on Sep 10, 2019

after my appointment with Dr Hanna... my attitude pertaining to the rarity of my illness gave me hope!

Reviewed on Sep 10, 2019

Dr. Hanna is my cardiologist and he has always been a very caring doctor. I respect him a great deal and have a lot of confidence in him and his opinions. The young doctors I dealt with that day also seemed to be very caring. Not a bad experience.

Reviewed on Aug 23, 2019

I feel extremely fortunate and confident in my provider's expertise and concern for me as an individual.

Reviewed on Jul 1, 2019

outstanding physician

Reviewed on Jun 4, 2019

Excellent doctor and excellent experience!!

Reviewed on May 30, 2019

Dr Hanna is a wonderful dr he takes time with me to explain my medication and my care plan. This is a very scary time for me and he doesn't make me feel like a number moving through the Cleveland Clinic system and that's what I appreciate about him. He came highly recommend from a hospital in New Jersey I am glad he is my dr.

Reviewed on May 30, 2019

Dr Hanna takes the time out to listen to you, where most dr over talk you and really don't care. your just a number going through your system

Reviewed on May 2, 2019

care provider answers my questions and explain to me my concerns.

Reviewed on Apr 30, 2019

Dr.Hanna is a great doctor. He explains everything and really seeks to optimize your health care results. I am very happy with the care he is providing.

Reviewed on Apr 22, 2019

Dr. Hanna was very kind and reassuring.

Reviewed on Mar 6, 2019

Dr.Hanna was patient;took a lot of time with me; was meticulous with his records.

Reviewed on Mar 1, 2019

Dr. M. Hanna an his nurse were very attentive, compassionate, informative to my needs. An I definitely feel more secure about the options they're taking, to make me feel comfortable of my well being.

Reviewed on Mar 1, 2019

Dr Hanna and the entire heart transplant team are truly amazing. kind, courteous, dedicated, hard working- to name a few attributes of these wonderful people

Reviewed on Mar 1, 2019

very good isn't strong enough to describe Dr Hanna. He is one of the very best doctors I've ever met. He is so knowledgeable and thorough, and I've never felt talked down to, or that I've asked a stupid question. He really cares. His patience and understanding are limitless. I actually look forward to seeing him

Reviewed on Feb 22, 2019

Dr Hanna is the best!! He is very knowledgeable, patient, caring and responsive! I feel so fortunate to have him managing my care.

Reviewed on Feb 20, 2019

Dr Hanna is an excellent physician shows compassion and dignity and is extremely knowledgeable about my disease

Reviewed on Feb 19, 2019

dr. Hanna was very polite and understanding.

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