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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

  • Cardiovascular Imaging
  • Cardiovascular Imaging Section
  • Cardiovascular Medicine
  • Cardiovascular Medicine Department
View all 4 Treatment & Services +


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About Suma Thomas, MD

Dr. Suma A. Thomas, M.D., M.B.A., F.A.C.C., is a non-invasive cardiologist at the Cleveland Clinic; Robert and Suzanne Tomsich Department of Cardiovascular Medicine; Arnold and Sydell Miller Heart, Vascular & Thoracic Institute. In addition to her clinical responsibilities, Dr. Thomas is the Vice-Chairman of Operations and Strategy, Cleveland Clinic Heart, Vascular & Thoracic Institute.

Previous to her tenure at Cleveland Clinic, she worked for 8 years at Lahey Clinic, a multispecialty group in Burlington, MA. She was an Assistant Professor at Tufts University while working at Lahey Clinic. While working as a cardiologist at Lahey Clinic she served on the Board of the Lahey Clinic Accountable Care Organization. She also served as the primary cardiology consultant to the liver and renal transplantation teams, was the chairman of the code committee for 6 years, and served on the Lahey Clinic peer review committee. Dr. Thomas worked on many quality initiatives including establishing standards for perioperative cardiovascular evaluation of renal and liver transplantation patients, and improving code blue team response and efficiency.

She worked as an attending cardiologist at Barnes-Jewish Hospital, Washington University School of Medicine from 2000-2003 and was an Assistant Professor at Washington University School of Medicine. Dr. Thomas attended medical school at the University of Iowa School of Medicine and received her fellowship training in cardiovascular medicine at Barnes-Jewish Hospital, Washington University School of Medicine. She did an additional year of echocardiography training at Brigham and Women’s Hospital in Boston, MA.

Dr. Thomas worked at the American College of Cardiology (ACC) between 2004-2005 and gained experience working on cardiovascular quality and advocacy initiatives working closely with insurance companies, registries, accreditation organizations, and legislators. Dr. Thomas serves on several ACC committees including the ACC Advocacy Committee, the ACC Political Action Committee Board (ACCPAC), the ACC F Expert Consensus Document on Patient Radiation Safety Writing Committee, and the ACC Partners in Quality Subcommittee. She is also active in the American Medical Association (AMA) and serves as one of four delegates representing the ACC in the AMA. She completed a Masters in Business Administration at the Massachusetts Institute of Technology (MIT) in June 2013.

Dr. Thomas’ interests include quality improvement and assurance, payment innovation, and cost effectiveness in clinical care.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Graduate School - Massachusetts Institute of Technology
Cambridge, MA USA

Fellowship - Brigham & Women's Hospital
Boston, MA USA

Fellowship - Barnes-Jewish Hospital
St. Louis, MO USA

Residency - University of Iowa Hospitals and Clinics
Iowa City, IA USA

Medical Education - University of Iowa College of Medicine
Iowa City, Io

Undergraduate - Creighton University
Omaha, NE USA

Undergraduate - Northwestern University
Evanston, IL USA


  • Internal Medicine - Cardiovascular Disease
Research & Publications

Research & Publications

See publications for Suma Thomas, 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 4/13/2023, Dr. Thomas 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.

Patient Satisfaction Reviews

64 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 5
Courtesy, Respect & Concern 5
Patient Rating of Doctor 4.9

16 Patient Comments

Reviewed on Jan 2, 2024

Dr. Thomas was thorough in explaining my situation. I was very pleased with her manner, her knowledge and understanding.

Reviewed on Dec 19, 2023

Dr. Summa Thomas is the best! We have a great relationship. She is very capable and caring. I would recommend her to anyone needing a cardiologist.

Reviewed on Nov 7, 2023

I was very satisfied with my visit. Dr. Thomas is an excellent physician.

Reviewed on Oct 17, 2023

Dr. Thomas truly cares about her patients. She takes the time to clearly explain your situation, test results and her own recommendations. Overall I would recommend her expertise to others needing a professional cardiologists opinion and direction.

Reviewed on Sep 19, 2023

Dr. Thomas was wonderful

Reviewed on Sep 19, 2023

I did not expect such a great physician at the best hospital to be available at my convenience.

Reviewed on Sep 19, 2023

Dr Thomas is amazing. She is so talented and she invests a significant amount of time during appointments getting to know her patients and addressing concerns. I truly appreciate the follow up calls, including a call with a referral. Worth the trip from Florida to Ohio to see her.

Reviewed on Sep 5, 2023

Dr. Thomas best provider I have encountered in a long time although I am quite happy with my other providers as well. She answers all questions in an unrushed manner and lets me ask questions that concern me about my health. In turn, I don't ramble on and am courteous of her busy schedule.

Reviewed on Aug 15, 2023

Dr Suma is outstanding. Very knowledgeable and a very caring doctor. I would rate her even higher than very good. She was also very caring.

Reviewed on Aug 1, 2023

Dr Suma Thomas was excellent at showing and describing my heart functions while viewing the echocardio gram of my heart. I would highly recommend her to anybody.

Reviewed on Aug 1, 2023

My cardiologist was excellent! She took great care of me!

Reviewed on Aug 1, 2023

Dr S. Thomas is the best! Very caring and concerned! I never feel rushed or like I'm a bother! She takes her time to explain every angle of your care! Not only diet exercise but relaxing time too! So very thankful she is my doctor!

Reviewed on Aug 1, 2023

No test results to which were the purpose of the visit. We talked about other aspects of my health but I did not need that office visit I needed the test results for my appointment purpose. Dr. Thomas went at length to chat about things my appointment was not about and filled time while waiting for results which did not come.

Reviewed on Jul 18, 2023

Dr Thomas is very thorough and answers questions in a manner easy to understand

Reviewed on Jun 20, 2023

Could not have been more pleased with Dr Thomas

Reviewed on Apr 18, 2023

Dr. Thomas is a very kind and compassionate physician. I was impressed by how thorough she was and how much time she spent with me.

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