Highlights
Age Groups Seen
- Adult
Languages
- Arabic
- English
Gender
MaleAbout Mazen Hanna
Biography
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.
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Locations
- Cleveland Clinic Main Campus
- 9500 Euclid Avenue, Cleveland, OH 44195
- Get Directions
- Cleveland Clinic Main Campus
- 9500 Euclid Avenue, Cleveland, OH 44195
- Get Directions
- Cleveland Clinic Main Campus
- 9500 Euclid Avenue, Cleveland, OH 44195
- Get Directions
Education & Board Certifications
Education
- Fellowship: Cleveland Clinic, 2006
- Fellowship: MetroHealth Medical Center, 2005
- Residency: Baylor College of Medicine, 2001
- Residency: Mount Sinai School of Medicine, 2000
- Internship: Baylor College of Medicine, 1999
- Medical Education: The Ohio State University College of Medicine and Public Health, 1998
- Undergraduate: Cornell University, 1993
Awards
- Baylor College of Medicine, Outstanding Medical Resident Teacher Award (2000-2001)
- Case Western Reserve University, Metrohealth Campus, Chief Cardiovascular Fellow (2004-2005)
Professional Memberships
Innovations & Patents
Research & Publications
See publications for this provider. (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
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2025-09-30, Dr. Hanna has reported the financial relationships with the companies listed below.
Consulting and/or Speaking. Dr. Hanna receives fees of $5,000 or more per year (or, in rare cases, equity or stock options) as a paid consultant, speaker or as a member of an advisory committee for the following companies:
- Eidos Therapeutics
- Alnylam Pharmaceuticals, Inc.
- Pfizer, Inc.
- Attralus, 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.
Insurances Accepted
Video
Ratings & Reviews
4.9 out of 5
242 ratings, 39 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 4/6/2026
Dr Hanna is great. His commitment and knowledge are a driving force.
- 5 out of 5 starsReviewed on 3/31/2026
Dr Mazen Hanna is very good and through about ATTR-CM
- 5 out of 5 starsReviewed on 3/30/2026
Love Dr Hanna. He''s the G O A T in amyloidosis!
- 5 out of 5 starsReviewed on 3/5/2026
Outstanding Physician.
- 5 out of 5 starsReviewed on 2/18/2026
Dr Hanna listens, summarizes, and provides understandable beneficial information.
- 5 out of 5 starsReviewed on 1/28/2026
Dr. Hanna pays close attention to every Important detail and communicates uwell. I am %100 confident that I am getting the very best care.
- 5 out of 5 starsReviewed on 1/26/2026
Dr. Hanna is the most knowledgeable in his field. I am Privileged to be treated by him.
- 5 out of 5 starsReviewed on 1/9/2026
Office visit with Dr. Hana was thorough and clear .
- 5 out of 5 starsReviewed on 1/9/2026
Doctor Hanna is one of the best doctors I have.
- 5 out of 5 starsReviewed on 1/9/2026
While talking to the doctor, he realized I was scheduled to see him in Cleveland on a day he would not be there. He personally made arrangements for me to see him while I was there for two days testing. I live almost 4 hours away so I really appreciate his personal intervention.
- 5 out of 5 starsReviewed on 12/24/2025
Dr. Hanna has followed me since 2006 and is a wonderful doctor who has shown deep interest in and care for me, my condition and my family.
- 5 out of 5 starsReviewed on 12/8/2025
Dr. Hanna communicates well and is compassionate.
- 5 out of 5 starsReviewed on 12/8/2025
Dr. Hanna is an amazing physician. He is very knowledgeable and thorough. I believe that he genuinely cares about me. I trust him and know that he does everything he can to ensure my quality of life.
- 5 out of 5 starsReviewed on 12/2/2025
Dr. Hanna is an empathetic and introspective diagnostician. He connects well and makes complicated issues simple in his communication.
- 5 out of 5 starsReviewed on 11/7/2025
Dr Hanna is top notch
- 5 out of 5 starsReviewed on 11/4/2025
Dr Hanna was Great.
- 5 out of 5 starsReviewed on 11/4/2025
Dr. Hana is the best Amyloidosis cardiologist that I know of. I am very fortunate that he is my doctor.
- 5 out of 5 starsReviewed on 10/16/2025
Dr.Hanna is the BEST
- 5 out of 5 starsReviewed on 9/24/2025
Dr. Hanna is very professional and takes time to explain things so I can understand the situation better.
- 5 out of 5 starsReviewed on 9/11/2025
Excellent service from an excellent physician.
- 5 out of 5 starsReviewed on 9/8/2025
Dr. Hanna is the best!
- 5 out of 5 starsReviewed on 8/27/2025
Dr Hanna is amazing warm caring and explains everything in an easy to understand manner
- 5 out of 5 starsReviewed on 8/20/2025
Very through Doctor. Cares about the patients. Obviously intelligent. Very knowledgeable in his field. Very good experience.
- 5 out of 5 starsReviewed on 8/20/2025
DR HANNA PROVIDES DETAILED RELAVENT INFORMATION CONCERNING MY CONDITION SO THAT I UNDERSTAND WHAT TO EXPECT AND WHERE I STAND. VERY EFFICIENT.
- 5 out of 5 starsReviewed on 8/19/2025
Dr. Hanna is an exceptional physician. He is caring, efficient, engaging, friendly and yet professional. In my opinion, he is one of the best at at Cleveland Clinic and certainly one of the top best I have met. The Nurse that works with him-Danielle, is unequivocally the best. I thank God I have the best of Cleveland Clinic to take care of me. I thank both of them immensely for the excellent care they provide at Cleveland Clinic!
- 5 out of 5 starsReviewed on 8/19/2025
Great visit. Dr Hanna looking at further tests to determine what might be done to try and improve daily quality of life
- 5 out of 5 starsReviewed on 8/11/2025
I simply love Dr Hanna! There's not one aspect of my care that he doesn't discuss with me. I never feel like just the next appointment in line. My care is always personal and he always checks with any concerns I've had in any non cardiology areas of my care since our last visit.
- 5 out of 5 starsReviewed on 7/28/2025
Dr. Hanna has always been very professional and has gone the extra mile on several occasions to make certain my care is as good as it can be.
- 5 out of 5 starsReviewed on 7/28/2025
Dr Hanna was very clear in explaining why and what he had in mind for me
- 5 out of 5 starsReviewed on 7/15/2025
Best doctor at Cleveland clinic
- 5 out of 5 starsReviewed on 6/26/2025
Dr Mazen Hanna was very thorough in explaining & answering all of my concerns. He was caring & engaging. I highly respect & trust him.
- 5 out of 5 starsReviewed on 6/23/2025
Outstanding medical care and services!!! Thank you Dr. H and staff!!!
- 5 out of 5 starsReviewed on 6/23/2025
It was great to Visit with Doctor Hana.He always makes me feel like he really cares about my health. He always give me a realistic outlook on what I can expect as my heart disease progresses. Doctor Hana also makes me feel that he is always looking for a new way to make me better.He is always talking about new advancements or new approaches for treatment. The one thing Doctor Hana gives me that the other doctors don't is hope for the future. I am grateful for Doctor Hana's ability to give me hope. Patients, especially heart patients, need hope.
- 5 out of 5 starsReviewed on 5/29/2025
Dr. Hanna very respectful of me as a patient.
- 5 out of 5 starsReviewed on 5/22/2025
The quality of care we received from Dr. Hanna was remarkable. He insured our understanding of my condition, actions taken by he and his team, and the plan of care going forward. We are very appreciative of his expertise and care.
- 5 out of 5 starsReviewed on 5/22/2025
I'm very fortunate that Dr. Hanna is my primary provider.
- 5 out of 5 starsReviewed on 5/22/2025
Dr.Hanna was excellent at explaining the current state of my medical condition as he always does. Dr. George was very personable.
- 5 out of 5 starsReviewed on 5/9/2025
This was my first visit with Dr Hanna. He was thoroughly prepared to discuss my case. I am confident that he will be able to do everything necessary to help me.
- 5 out of 5 starsReviewed on 5/9/2025
Dr. Hanna was very knowledgeable, explaining things in lay terms, never acted as if he were in a hurry. Always asked if there were any questions. Very polite and courteous.