Highlights
Age Groups Seen
- Adult
Languages
- Greek
- English
Gender
FemaleAbout Maria Mountis
Biography
Dr. Maria Mountis is Staff in the Division of Cardiology, Section of Heart Failure and Transplantation. She was appointed to the Cleveland Clinic in 2008. She is board certified in Internal Medicine, Cardiology, and Advanced Heart Failure and Transplant by the American Board of Internal Medicine. She is also certified in adult echocardiography by the National Board of Echocardiography.
In addition to office visits, Dr. Mountis also offers scheduled pre-visits and 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: Diagnosis and treatment of advanced heart failure, cardiac transplantation, mechanical assist devices, pulmonary hypertension, and the cardiac care of women.
Success Rates: Cleveland Clinic is nationally and internationally
renowned for its cardiovascular care. Success rates for specific procedures are available at: https://my.clevelandclinic.org/departments/heart/about/outcomes-stats
Education and Training: Dr. Mountis is a Pennsylvania native, graduating with a B.S. degree in Biology from Saint Joseph's University, Philadelphia, PA. She received her medical degree from the Philadelphia College of Osteopathic Medicine and completed her internship and residency in Internal Medicine at Lehigh Valley Hospital and Health Network in Allentown, PA. This was followed by her fellowship in Cardiovascular Medicine at Albert Einstein Medical Center in Philadelphia, PA, where she was also appointed Chief Cardiovascular Fellow. She continued her training at the Hospital of the University of Pennsylvania with a fellowship dedicated to the care of patients with Advanced Heart Failure and Cardiac Transplant.
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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
- Independence Family Health Center
- 5001 Rockside Road, Independence, OH 44131
- Get Directions
Education & Board Certifications
Education
- Fellowship: Hospital of The University of Pennsylvania, 2008
- Fellowship: Albert Einstein Medical Center, 2007
- Residency: Lehigh Valley Hospital, 2004
- Internship: Lehigh Valley Hospital, 2002
- Medical Education: Philadelphia College of Osteopathic Medicine, 2001
- Undergraduate: Saint Joseph's University, 1997
Board Certifications
- Advanced Heart Failure and Transplant Cardiology: American Board of Internal Medicine, 2010
Awards
- American Heart Association, Women in Cardiology Trainee Award for Excellence
- Chief Cardiovascular Fellow, Albert Einstein Medical Center
- Fellow, American College of Cardiology
Professional Memberships
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 2025-09-25, Dr. Mountis has reported no financial relationship with industry that is applicable to this listing.
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.
Insurances Accepted
Video
Ratings & Reviews
4.9 out of 5
228 ratings, 61 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 4/13/2026
I absolutely love Dr Mountis. She is kind, caring, and understanding.
- 5 out of 5 starsReviewed on 4/13/2026
She did not rush, she was thoroughAnd explained my testResults. Asked me if I Had any questions.
- 5 out of 5 starsReviewed on 4/13/2026
I CANOT SAY ENOUGH ABOUT MY HEART DR. I FEEL GOD SENT ME TO THE BEST,THAT HE HAD, GIVING THE ABILITY TO TO BE ABLE TO TREAT MY CONDITION.ALSO WE HAVE FOUND HER TO BE A WONDERFUL PERSON.MY WIFE AND I DONT ONLY LOVE HER AS A DR BUT ALSO AS A DEAR FRIEND,
- 5 out of 5 starsReviewed on 4/13/2026
Dr Maria Mountis is outstanding with knowledge and care of me as a patient
- 5 out of 5 starsReviewed on 4/6/2026
Dr Mountis is a great doctor. She listens to your concerns,
- 5 out of 5 starsReviewed on 4/6/2026
Great doctor explains everything thoroughly
- 5 out of 5 starsReviewed on 4/6/2026
Dr Mountis provided care and concern that is outstanding and above average, she is responsible for saving my life.
- 5 out of 5 starsReviewed on 3/23/2026
Dr. Mountis is just awesome. She''s very thorough. That she is an expert in her field shines thru. On top of that, she is very pleasant,really nice and caring. Thank you, Dr. Mountis.
- 5 out of 5 starsReviewed on 3/23/2026
Dr. Mountis
- 5 out of 5 starsReviewed on 2/16/2026
Dr mountis is the best and most caring doctor I have ever seen in my life. I would recommend her to anyone looking for a heart doctor
- 5 out of 5 starsReviewed on 2/6/2026
Dr. Mountis is thorough, kind and patient. She listens and that us invaluable.
- 5 out of 5 starsReviewed on 2/5/2026
Dr. Mountis is one of the best human beings I've ever met in my life.
- 5 out of 5 starsReviewed on 1/29/2026
My Dr is the best, she always answers my questions, no matter what they are. She is very caring, patient and knowlegable. She is the Best and has taken very good care of me and always follows up with me.
- 5 out of 5 starsReviewed on 1/29/2026
Visit was easier to do than I expected and Dr so nice and informative
- 5 out of 5 starsReviewed on 1/29/2026
Dr. Mountis and her staff are amazing
- 5 out of 5 starsReviewed on 1/26/2026
Dr Mountis is very thorough, very caring and easy to talk with
- 5 out of 5 starsReviewed on 1/14/2026
Dr Mount Hess really listened. She was awesome and she explained things so that we could understand them.
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Maria Mountis is just the best. She is very thorough, sympathetic and just overall caring of her patients, at least me.
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Mountis was thorough and explained things very clearly. I left with a positive outlook about my health and treatment plan.
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Mountis is the best doctor I have ever encountered. She is well trusted and highly regarded.
- 5 out of 5 starsReviewed on 1/12/2026
Dr Mountis& Dr Callahan is are the best cardiologists I have been treated by in over 25 years, along with Dr Tchou.
- 5 out of 5 starsReviewed on 1/12/2026
Dr Maria is a very personal Doctor that really cares about her patients.
- 5 out of 5 starsReviewed on 1/12/2026
Dr Mountis always very helpful and caring.
- 5 out of 5 starsReviewed on 1/12/2026
Dr. Mountis is very caring and informative on all test results
- 5 out of 5 starsReviewed on 12/29/2025
Dr. Mountis is wonderful . She goes out of her way for her patients. She has been there for me since met her.
- 5 out of 5 starsReviewed on 12/29/2025
Dr Mountis is great she is tens to y conversation and explains solutions that is understandable.
- 5 out of 5 starsReviewed on 12/29/2025
Very satisfied with the Doctor
- 5 out of 5 starsReviewed on 12/22/2025
Dr. Maria Mountis is the BEST.
- 5 out of 5 starsReviewed on 12/9/2025
I would recommend Dr. Mountis to everyone who needs help because she cares
- 5 out of 5 starsReviewed on 11/21/2025
We love Dr Mountis she gives so much care for me, listens, explains, she goes over all my test results. She is just so caring, like I'm her only patient.
- 5 out of 5 starsReviewed on 11/13/2025
Dr Mountis is incredible. I've seen her for approximately 11 years since my heart transplant. She is extremely knowledgeable, professional, personable and compassionate. She explains everything at a level that I can understand but not insulting. I trust her with my.life and I'm grateful to have her as my provider. Absolutely the best!
- 5 out of 5 starsReviewed on 11/13/2025
I am very lucky that I found such a caring physician. I always leave feeling that my questions were answered and my concerns addressed. That is why we drive 3.5 hours so I can see her.
- 5 out of 5 starsReviewed on 11/10/2025
Dr. Mountis is the best of the best. She took care of me for many years. First, several years for cardiomyopathy, which led to a LVAD placement and eventually a heart transplant. She has been with me all the way, through thick and thin. My husband and I have hold her in our highest esteem, as a proficient doctor and also a most caring person. Thank you, Dr Maria Mountis.
- 5 out of 5 starsReviewed on 11/4/2025
Dr. Mountis and staff have done an exceptional job in ensuring proper, timely and expert care.
- 5 out of 5 starsReviewed on 10/10/2025
Dr. Mountis is a fantastic doctor. Always listen to my concerns
- 5 out of 5 starsReviewed on 10/10/2025
I absolutely love Dr Mountis and her bedside manner, willingness to answer questions and listen, and coordinate with other docs.
- 5 out of 5 starsReviewed on 10/10/2025
Dr. Mountis is an excellent doctor who always approaches my care plan from a big picture perspective, explains things thoroughly, with understanding and compassion. She is awesome.
- 5 out of 5 starsReviewed on 10/10/2025
Dr Mountis is a wonderful doctor. She is thorough, kind, knowledgeable and professional. It is great to have her as my physician.
- 5 out of 5 starsReviewed on 10/8/2025
Dr Mountis is excellent. The level of care we receive from the team is incredible.
- 5 out of 5 starsReviewed on 10/8/2025
My doctor is amazing she is the greatest doctor I have had she is so amazing. And you can tell she cares about the health of her patients and there family
- 5 out of 5 starsReviewed on 9/23/2025
Dr. Mountis is an amazing Doctor and compassionate person. She always looks for the best solutions. God Bless her and her staff.
- 5 out of 5 starsReviewed on 9/23/2025
Dr. Mountis and her staff went out of their way to coordinate all my appointments when I was not having success. They as always were amazing.
- 5 out of 5 starsReviewed on 9/10/2025
Dr Maria Mountis is an exceptional Dr!!
- 5 out of 5 starsReviewed on 9/10/2025
Dr Mountis is wonderful she takes time to explain everything she doesn't rush ! Absolutely great doctor !
- 5 out of 5 starsReviewed on 8/20/2025
We recommend the Cleveland Clinic in Ohio to many people. We feel it is the best heart health clinic in the world. Love my doctors as well Dr Marie Mountis, Dr Nicholas Smedira and Dr Sroubek
- 5 out of 5 starsReviewed on 8/20/2025
A video visit for follow up medical check ups is excellent. Hoping it saves not only the doctor time but also the wear and tear of driving to Cleveland when living several hours away.
- 5 out of 5 starsReviewed on 8/20/2025
Dr. Mountis is fantastic. She listens and takes her time and does not rush you. She is great at explaining things. I have full trust In what she says and what she recommends.
- 5 out of 5 starsReviewed on 8/19/2025
The doctor was very knowledgeable and made my mind at ease. Explained everything to me and took plenty of time with me. Would recommend her to anyone.
- 5 out of 5 starsReviewed on 8/4/2025
Dr. Mountis is the best doctor I have ever been to.
- 5 out of 5 starsReviewed on 8/4/2025
I appreciate the fact that I am not just a number. Dr. Mountis knows me and always asks about my life and trips. It is wonderful to be a real person that matters.
- 5 out of 5 starsReviewed on 8/4/2025
Dr. Mountis has always been both professional and making me feel like I can talk to her about all of my concerns. I always leave there feeling confident that I'm getting the best of care.
- 5 out of 5 starsReviewed on 7/29/2025
The experience with my provider is always good.
- 5 out of 5 starsReviewed on 7/22/2025
Dr. Mountis is one of the most caring physicians I have ever had. She always takes her time and even though she is my Cardiologist, she also takes a very wholistic approach to my care and concerns.
- 5 out of 5 starsReviewed on 7/22/2025
She is a excellent doctor.
- 5 out of 5 starsReviewed on 7/15/2025
Maria Mountis is an exceptional doctor. Very caring and personable. Goes over everything completely with me.
- 5 out of 5 starsReviewed on 7/1/2025
I look forward to visits with Dr.Mountis.
- 5 out of 5 starsReviewed on 6/24/2025
Dr Mountiss and her team are great caring people
- 5 out of 5 starsReviewed on 6/24/2025
Dr. Mountis was very nice and caring in talking with me about the findings from the procedure, and helping me understand what the next steps would consist of.
- 5 out of 5 starsReviewed on 6/24/2025
Dr. Maria Mountis is the BEST! She is very thorough and explains everything so that you understand and makes you feel comfortable. I trust her knowledge 100%! She's my FAV!
- 5 out of 5 starsReviewed on 5/22/2025
Dr. Mountis is truly an excellent doctor, She is very caring, answers all my questions and provides the best medical care and decisions on keeping me healthy. Absolutely the best in my opinion. I always look forward to seeing her.
- 5 out of 5 starsReviewed on 5/20/2025
The entire team was amazing. They are a great representation of the image I have of the CC. Dr George was extraordinarily adept at the metabolic RHC make sure he stays!!! My neck does not hurt. Dr Mountis was gracious and a great mentor for Dr George. It was very helpful to get summary feedback at the end of the procedure before reading the report. God watches over you all.