Emergency icon Important Updates
Department Cardiovascular Medicine
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English, Greek
Surgeon No
Locations
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus

Appointment:
216.444.6697
Desk:
216.636.6101
Fax:
216.445.6197

Additional Locations

Specialties & Treatments

Treatment & Services

  • Cardiac Amyloid Imaging
  • Cardiac Transplant
  • Cardiology
  • Cardiovascular Medicine
  • Cardiovascular Medicine Department
  • Endomyocardial Biopsy
  • George M and Linda H Kaufman Center for Heart Failure
  • Heart Biopsy
  • Heart Failure Management
  • Heart Failure Section
  • Heart Failure Surgery
  • Heart Transplant
  • Mechanical Assist Devices
  • Mechanical Circulatory Support
  • Pre-Transplant Evaluation
  • Ventricular Assist Device
View all 16 Treatment & Services +

Specialty in Diseases & Conditions

  • Amyloid Sarcoid Heart Disease
  • Amyloidosis
  • Cancer and Heart Disease
  • Cardiomyopathy
  • Cardiomyopathy Secondary to Chemotherapy
  • Cardiomyopathy Valvular
  • Cardiovascular Disease in Women
  • Congestive Heart Failure (CHF)
  • Dilated Cardiomyopathy
  • Ejection Fraction
  • Ejection Fraction - Abnormal
  • Enlarged Heart
  • Familial Amyloidosis
  • Familial Cardiomyopathy
  • Heart Disease
  • Heart Disease and Pregnancy
  • Heart Disease in Women
  • Heart Failure
  • Heart Failure in Women
  • Hypertrophic Cardiomyopathy
  • Infiltrative Cardiomyopathy
  • Ischemic Cardiomyopathy
  • Myocarditis
  • Nonischemic Cardiomyopathy
  • Pulmonary Hypertension
  • Restrictive Cardiomyopathy
  • Sarcoid Heart Disease
  • Shortness of Breath
View all 28 Specialties +
Insurance

Insurance

Is Cleveland Clinic Part of Your Insurance?

Review a list of accepted insurance plans for our Northeast Ohio locations or learn more about purchasing a contracted managed care plan.

View All Plans
Biography

About Maria Mountis, DO

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 the world’s best 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.


Education & Professional Highlights

Education & Professional Highlights

Appointed
2008

Education & Fellowships

Fellowship - Hospital of The University of Pennsylvania
Heart Failure/Transplant
Philadelphia, PA
2008

Fellowship - Albert Einstein Medical Center
Cardiology
Philadelphia, PA
2007

Residency - Lehigh Valley Hospital
Internal Medicine
Allentown, PA
2004

Internship - Lehigh Valley Hospital
Internal Medicine
Allentown, PA
2002

Medical Education - Philadelphia College of Osteopathic Medicine
Philadelphia, PA
2001

Undergraduate - Saint Joseph's University
Philadelphia, PA
1997

Certifications

  • Internal Medicine - Advanced Heart Failure and Transplant Cardiology

Specialty Interests

Cardiomyopathy, cardiac tumors, heart failure, heart transplantation, ventricular assist device, myocardial biopsy, cardiac catheterization, heart failure in women, pulmonary hypertension

Awards & Honors

  • American Heart Association, Women in Cardiology Trainee Award for Excellence
  • Chief Cardiovascular Fellow, Albert Einstein Medical Center
  • Fellow, American College of Cardiology
Research & Publications

Research & Publications

See publications for Maria Mountis, DO.

(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 4/4/2024, Dr. Mountis 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

207 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
5 out of 5
Explains 4.9
Listens 5
Courtesy, Respect & Concern 5
Patient Rating of Doctor 4.9

51 Patient Comments

Reviewed on Oct 30, 2024

I thank God for a team of doctors like Cleveland, with their expertise, and God guiding them, they have saved my life.

Reviewed on Oct 30, 2024

`Dr. Mantis excels in her profession.

Reviewed on Oct 17, 2024

Excellent provider

Reviewed on Oct 2, 2024

Dr. Mountis was very professional; explained medical issues,procedure's and medication in simple terms.

Reviewed on Sep 16, 2024

Dr Mountis us by far the best doctor I have had involved in my care!! Hands down truly the best!!

Reviewed on Sep 13, 2024

Dr Mountis is one of the BEST physicians I've had during my 79 years of life!

Reviewed on Sep 13, 2024

Dr. Mountis was fantastic!

Reviewed on Sep 11, 2024

Dr. Mountis is by far one of the best physicians I have ever had. She listens, makes excellent suggestions for treatment, is very creative with her treatment suggestions, and is always looking for feedback from the patient which is customarily unheard of in today's world. She is without a doubt one of the best physicians I have had the honor of dealing with at Cleveland Clinic Main Campus.

Reviewed on Sep 10, 2024

Dr. Mountis is GREAT

Reviewed on Aug 28, 2024

My provider is wonderful, she is very attentive, snd she really cares about her patients. She answers your questions, snd if you seem to be on edge. She has a way of calming your fears.

Reviewed on Aug 28, 2024

Dr. Mountis is an excellent physician. She cares about her patients, she takes time with me, and she definitely listens to you. Dr. Mountis works out a actions plan to get you well. She is a very good doctor. Her feedback is excellent because you are going to hear for someone in cardiology department with results.

Reviewed on Aug 23, 2024

Dr. Mountis is a very caring empathetic physician who communicates with her patients well well.

Reviewed on Aug 21, 2024

I have a lot of respect for Dr. Mountis and I feel fortunate that she is my doctor.

Reviewed on Aug 16, 2024

Dr Mountis is extremely thorough and I feel very well cared for. My husband attends the visit eith me and he feels the same.

Reviewed on Aug 16, 2024

Dr. Mountis is an excellent and caring doctor . She takes the time to listen to my concerns and explain everything thoroughly . She is an exceptional doctor !

Reviewed on Aug 1, 2024

Dr Mountis is absolutely top notch and the best I have found in my over 90 years!!! She definitely goes far and above helping you by carefully listening to your details and concerns and then giving you very wise tests and explanations in solving your problems. I can't praise her enough!!!

Reviewed on Jul 31, 2024

Dr Mountis is simply one of the best doctors one could have. She remembered me even though she hadn't seen me in the office for several years. She is compassionate, thorough and patient.

Reviewed on Jul 31, 2024

Dr Mountis was quick to order all relevant diagnostic tests and reassured me my heart condition was very stable.

Reviewed on Jul 24, 2024

I respect Dr. Mountis, and truly value her as a doctor and as a person. She has always made me feel valued and cared for. I know I am in the best hands.

Reviewed on Jul 15, 2024

Dr. Mountis is the best very professional and always take time to explain what is going on.

Reviewed on Jun 27, 2024

I feel incredibly lucky to have Dr. Mountis as my cardiologist. She gives me as much time as I need, answers all my questions (even the ones I've probably asked before). I know I am in the best of hands.

Reviewed on Jun 10, 2024

I had trouble turning on the voice part of virtual call, and Dr Mountis helped me get it turned on.

Reviewed on Jun 10, 2024

We have a tremendous respect for Dr Mountis, she has been my doctor for many years.

Reviewed on Jun 5, 2024

I have had a great relationship with Dr. Mountis for a number of years. She literally saved my life. Dr. Mountis always explains in depth what is going on with my health/condition. I have also referred others to Dr. Mountis because I believe in her whole heartily... She will always be my number one!

Reviewed on Jun 5, 2024

Doctor Mountis takes the time to fully explain your current situation. She makes you feel like your physical well being is important to her. One of my favorite doctors.

Reviewed on Jun 5, 2024

Dr. Maria Mountis is a wonderful, caring doctor.

Reviewed on Jun 5, 2024

Dr. Maria Mountis is a very good doctor. Very caring, no hurry to get on to her next patient.

Reviewed on May 30, 2024

Dr. Mountis is more than an excellent medical professional. She's also a valued friend to her patients, a warm, charming, and caring friend. She is an exceptional professional and I have boundless respect for her.

Reviewed on May 24, 2024

Dr. Mountis was extremely professional, courtesy, and caring.

Reviewed on May 1, 2024

Dr. Mountis is the best she saved my life.

Reviewed on Apr 29, 2024

The ability to speak with my provider in clear zoom technology is a definate advantage when my home is in Sarasota Fl.

Reviewed on Apr 12, 2024

My number 1 doctor...Dr Mountis

Reviewed on Apr 12, 2024

Dr Mountis treats my heart-AND- the PERSON. Looking at a holistic view of connected causes and symptoms to relieve or alleviate non-heart specific related issues. Could not be happier with both the Dr as well as the "system" and most importantly the administration and staff constancy and concern for EFFICIENCY.

Reviewed on Mar 18, 2024

You should have an excellent rating available cause Dr Mountis is excellent

Reviewed on Mar 18, 2024

Dr Mountis is the best

Reviewed on Mar 18, 2024

Dr. Mountis is fabulous! She takes time to explain things very well. She also shows concern for me as a person.

Reviewed on Feb 15, 2024

After seeing 4 other cardiologists I am so grateful to have only Dr. Mountis.

Reviewed on Feb 15, 2024

Love this Dr and her staff!!!

Reviewed on Feb 14, 2024

I'd recommend her in a heartbeat. The doc she spoke to while I was in the hospital really liked her too.

Reviewed on Jan 8, 2024

Dr Mountis is the BEST

Reviewed on Dec 21, 2023

Dr. Mountis is a very courteous, considerate, and conscientious doctor. She is thorough and has improved my life considerably in the past 3 years.

Reviewed on Dec 21, 2023

Dr Mountis is very knowledgeable, kind and compassionate. She has helped me more than I can say, through some very difficult cardiac situations.

Reviewed on Dec 18, 2023

Dr. Mountis is a caring, brilliant cardiologist. She looks at the person as a whole and treats accordingly. She's the best!

Reviewed on Dec 18, 2023

Care provider is very caring.

Reviewed on Dec 8, 2023

Exceptional experience working with Dr. Mountis!

Reviewed on Dec 7, 2023

I have been fortunate to have Dr Mountis throughout my health journey. I have absolute confidence in Dr Mountis and expect to maintain my doctor/patient relationship without an end date.

Reviewed on Dec 6, 2023

Dr Mountis even gave me questions to ask my Dr about a procedure I'm going to have

Reviewed on Dec 6, 2023

Dr Mountis was excellent at all the details & my medications

Reviewed on Nov 29, 2023

If I could Dr. Mountis a "10" I would! So very kind and compassionate. Never in a hurry and answers all questions.

Reviewed on Nov 22, 2023

We respect Dr. Mountis and appreciate all that she has done for me.

Reviewed on Nov 10, 2023

Dr Maria Mountis is absolutely one of the best, if not the best!!!!!!

Back to Top