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

Cleveland Clinic Main Campus

Appointment:
216.444.6697
Desk:
216.444.8312
Fax:
216.445.6181
Specialties & Treatments

Treatment & Services

  • Aorta Center
  • Cardiovascular Disease Risk Prevention
  • Cardiovascular Imaging
  • Cardiovascular Imaging Section
  • Cardiovascular Medicine
  • Cardiovascular Medicine Department
  • General Cardiology
  • Heart Imaging
  • Hypertrophic Cardiomyopathy Center
  • Noninvasive Diagnostic Testing
  • Pericardial Diseases Center
  • Stress Testing
View all 12 Treatment & Services +

Specialty in Diseases & Conditions

  • Amyloidosis
  • Aneurysms
  • Angina
  • Aorta Disease
  • Aortic Aneurysms
  • Aortic Occlusion (Blockage)
  • Aortic Regurgitation
  • Aortic Stenosis
  • Atherosclerosis
  • Atrial Septal Defects
  • Cardiovascular Disease
  • Congenital Valve Disease
  • Coronary Artery Disease
  • Ehlers-Danlos Syndrome
  • Endocarditis
  • Heart Attack
  • Heart Disease
  • Heart Murmur
  • Heart Related Illnesses
  • Heart Valve Disease
  • Heart Valve Infections
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • Hypertrophic Cardiomyopathy
  • Marfan Syndrome
  • Mitral Valve Prolapse
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Myxomas
  • Pericardial Cyst
  • Pericardial Disease
  • Pericardial Effusion
  • Pericarditis
  • Pulmonary Valve Disease
  • Pulmonary Valve Stenosis
  • Restrictive Cardiomyopathy
  • Rheumatic Heart Disease
  • Thoracic Aortic Aneurysm
  • Tricuspid Valve Disease
View all 39 Specialties +
Insurance

Insurance

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Biography

About Maran Thamilarasan, MD

Maran Thamilarasan, MD, is a staff cardiologist in the Section of Cardiovascular Imaging, the Robert and Suzanne Tomsich Department of Cardiovascular Medicine, at the Sydell and Arnold Miller Family Heart, Vascular & Thoracic Institute. Board-certified as a Diplomate in cardiovascular disease, Dr. Thamilarasan also is certified Diplomate by the National Board of Medical Examiners. He is also certified by the National Board of Echocardiography. He has focused his specialty interests on echocardiography, valvular heart disease, hypertrophic cardiomyopathy, diseases of the aorta and coronary artery disease.

A native of India, Dr. Thamilarasan grew up in the United States. He did his undergraduate work in biomedical sciences and political science at the University of Michigan at Ann Arbor, graduating with Highest Distinction and inducted into Phi Beta Kappa. As an undergraduate, Dr. Thamilarasan received the James B. Angell Scholar Award and the Regents-Alumni Scholarship Award. He continued on at the University of Michigan to receive his medical degree, graduating cum laude. He was inducted into the Alpha Omega Alpha Medical Honor Society, and received the American Society of Clinical Pathologist's Award.

Dr. Thamilarasan did his internship and residency in internal medicine at the University of Michigan Medical Center. Cleveland Clinic awarded him a fellowship in cardiology followed by an advanced fellowship in cardiac imaging. He has been with the Cleveland Clinic since 1995.

He has authored or co-authored chapters in medical textbooks on mitral valve disease, thrombolytic therapy and transesophageal echocardiography, among others. He has published articles and abstracts on his specialty interests in peer-reviewed publications such as Circulation, American Heart Journal, and the American Journal of Cardiology. He has presented his clinical experiences and abstracts at courses sponsored by the American College of Cardiology and the American Society of Echocardiography.

Education & Professional Highlights

Education & Professional Highlights

Appointed
2000

Education & Fellowships

Fellowship - Cleveland Clinic
Advanced Cardiac Imaging
Cleveland, OH
2000

Fellowship - Cleveland Clinic
Cardiology
Cleveland, OH
1998

Residency - University of Michigan Health System
Internal Medicine
Ann Arbor, MI
1995

Medical Education - University of Michigan Medical School
Ann Arbor, MI
1992

Additional Training

  • Master's of Science, clinical research design and statistical analysis, University of Michigan, 2005

Certifications

  • Internal Medicine - Cardiovascular Disease

Specialty Interests

Heart Valve Disease, Hypertrophic Cardiomyopathy, Marfan Syndrome, Pericardial Disease, Pericarditis, Thoracic Aortic Aneurysm, Cardiovascular Imaging, Echocardiogram, Non-Invasive Diagnostic Testing

Research & Publications

Research & Publications

See publications for Maran Thamilarasan, 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 4/11/2024, Dr. Thamilarasan 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

307 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 4.8
Courtesy, Respect & Concern 5
Patient Rating of Doctor 5

56 Patient Comments

Reviewed on Nov 19, 2024

Dr. Tham.. Was so easy to talk to. He showed

Reviewed on Nov 8, 2024

Dr T is very caring answered all my questions

Reviewed on Nov 8, 2024

Dr. Thamilarasan was fantastic. He explained clearly, was very reassuring, andI felt very confident when I left the office.

Reviewed on Nov 5, 2024

Outrageous patient interest and care. Finding comfort in Dr. Tham's thoroughness and explanation of heart issue and needed steps that will be scheduled. I am confident in his expertise and options he gave me. Thank you, Dr. Tham!

Reviewed on Oct 29, 2024

Dr. Thamalarson was excellent!!

Reviewed on Oct 25, 2024

Dr. Thamilarason is respectful and knowledgeable. I appreciate his expertise and communication style.

Reviewed on Oct 25, 2024

Both the doctor and his assistant/nurse were kind, compassionate, caring, knowledgeable, and listened to my concerns.

Reviewed on Oct 22, 2024

Dr Thamilarison is an excellent doctor. He has taken care of all my cardiac needs. I couldn't ask for a better doctor in all respects.

Reviewed on Oct 18, 2024

DR T is the best!

Reviewed on Oct 18, 2024

I was very pleased with my appointment with Dr. Thamilarasan. He was kind and answered all my questions and concerns. He was knowledgeable with my condition. He did not rush through my appointment. I would not hesitate to recommend him to family or friends.

Reviewed on Oct 15, 2024

Dr. Thamailarasan is a wonderful compassionate doctor. He explains things very well.

Reviewed on Oct 15, 2024

Dr. Thamilarasan is exceptional. He is clearly very knowledgeable, an expert in HCOM, yet he explains things in laymen's terminology, doesn't use jargon, has a calming aura, and listens and responds to your questions.

Reviewed on Oct 11, 2024

I love Dr. Th! He is very kind and makes me feel at ease with my treatment plan.

Reviewed on Oct 11, 2024

If I could rate Dr Thamilarasan it would be excellent! He has the best attitude and outlook! Always friendly , supportive and knowledgeable. His smile has a calming effect. I have received the best treatment and would recommend the Cleveland Clinic to anyone!

Reviewed on Oct 8, 2024

We are always very pleased with any connection to Dr. Thamilarasan. Phone calls were not needed.

Reviewed on Oct 8, 2024

Our doctor is the BEST! We have recommended him often to others.

Reviewed on Oct 8, 2024

It is very hard to get a timely appointment. I really like Dr Thamilarasan once I was able to see him.

Reviewed on Oct 4, 2024

Dr Thanilarasan is a very nice, thorough and professional person. I'm very glad he was recommended to me.

Reviewed on Oct 4, 2024

The "ease of getting the care I needed " was simply luck, due to someone canceling an appointment. Otherwise I would have waited weeks if not months to get an appointment with the heart doctor.

Reviewed on Oct 1, 2024

Dr. T is the BEST. He is thorough and a great listener. I don't feel rushed and feel like I am heard. Because Dr. T listens, I feel like progress is made with any concerns that I have.

Reviewed on Sep 17, 2024

Dr. T is THE ABSOLUTE BEST he listens, I feel he genuinely cares about me, he understands my being hesitant to try new things, he is professional and I feel always has my best interests when communicating with me. I am not a big fan of hospitals, but I would never miss an appointment with Dr. T because I know I will get the straight information and I truly enjoy my visits with him.

Reviewed on Sep 13, 2024

Dr Thanilarison is an awesome, amazing cardiologist. We have been seeing him for 13 years for my husbands heart issues, which has included two heart surgeries. He is always accessible for our questions and problems when I easily communicate directly with his office asst Lawanda, who is also great, on the phone. Cannot say enough great things about Dr Thanilarison, He has helped saved my husbands life along with my husbands other 4 doctors at the CC! Thank you Dr Thamilarason!!

Reviewed on Aug 30, 2024

Dr. Thamilarisan is an excellent physician + a kind & compassionate individual. He remembers the small chit chat we had 9 months ago at my last appt. Phenomenal! I always feel like I am in good hands in his care & he has my welfare as his top priority. That is very reassuring.

Reviewed on Aug 20, 2024

Dr. Thamalarasan was outstanding

Reviewed on Aug 20, 2024

Dr Thamilarison does a great job of listening and explaining. I respect him very much!

Reviewed on Jul 26, 2024

Best doctor around

Reviewed on Jul 23, 2024

Doctor always addressed my questions

Reviewed on Jul 2, 2024

Dr Thamilarasa is very patient and thorough. He had read all of my history before the vist. He involved me in deciding which of the options we should try. He really cared about me as a person, not a medical diagnosis.

Reviewed on Jun 28, 2024

Fortunately for me, my heart condition has not been deteriorating and I'm able to go on with my life with virtually no limitations. Dr Thamilarasan was very patient explaining my current condition based on recent tests.

Reviewed on Jun 4, 2024

Dr. Thamarasan is excellent; very thorough and careing. He's one of the best doctors I have ever seen.

Reviewed on May 28, 2024

Outrageous patient care ! My care was as if I was the only patient Dr Tham had. Explained and always inquired if I had questions.

Reviewed on May 24, 2024

Dr. Thamilarasan was an amazing provider, he listened and addressed my concerns.

Reviewed on May 24, 2024

The Best Staff and Doctors. Love Doctor T

Reviewed on May 14, 2024

Dr Tamilarasan has been a very important part of my overall care for many years.I find him to be very knowledgeable and trusting.

Reviewed on May 14, 2024

Dr Thalmalarison's office always sends me personal reminders of when I should schedule my next visits. I appreciate that!

Reviewed on May 14, 2024

Dr Thalmalarison is simply the best. I'm very pleased to be one of his patients and know that my situation is being well managed. He's a blessing!

Reviewed on May 3, 2024

Dr. Thamilarasan is the most personable and educated doctor I know. Excellent explanations about my heart condition!

Reviewed on May 3, 2024

Dr Thamilarasan has a great ability to answer all of my questions and explain to me in layman's terminology what the problem is and options to rectify the medical issue. I have recommended Cleveland Clinic to a number of people and will continue to do so. I feel that I am in good hands with the whole cardiology staff.

Reviewed on Apr 26, 2024

Dr. Thamilarasan is the biggest reason we continue to come to the clinic. He is always so incredibly well informed, answers our questions, and provides us with reassurance as needed. He is patient and takes his time with us without making us feel rushed

Reviewed on Apr 23, 2024

Dr. Thamilarasan is always very courteous and offers to answers any questions or concerns I might have.

Reviewed on Apr 23, 2024

Dr is excellent- I was concerned w/ Dr Lever retiring no worrying now

Reviewed on Apr 12, 2024

Dr. Thamilarasan has to be one of the best I have encountered. His knowledge of my condition Is absolute. I'm very happy the I made the choice to come to Cleveland Clinic.

Reviewed on Apr 2, 2024

Dr. Thamilarasan is awesome, returns my emails promptly when I have any concerns or updates.

Reviewed on Apr 2, 2024

Until I contact my doctor directly, I was able to obtain an appointment

Reviewed on Apr 2, 2024

Dr. Thamilarasan is a tremendous caregiver and doctor! We have already recommended him to others even that very day! My husband and I have great respect for him.

Reviewed on Feb 13, 2024

Dr Thamilarasan is the best Dr I have ever had throughout my life. He hears me and respects my wishes when it comes to my treatment. That is so very important. I trust him and he is very important to me. I dread to think there will be a day when he is no longer my cardiologist .

Reviewed on Feb 6, 2024

I couldn't ask for a better doctor! Dr. Thamilarasan is very thorough, knowledgeable, respectful and extremely personable. He is truly the best doctor I ever had!

Reviewed on Jan 23, 2024

Dr. Thamilarasan has provided wonderful care since I was first referred to him in 2007!

Reviewed on Jan 19, 2024

Outstanding care! Dr Thamilarasan was so patient and kind. He explained everything to me, sent me for one additional test and MADE TIME FOR ME to come back the same day to discuss the test results.

Reviewed on Jan 5, 2024

Everything was perfect and timely very polite staff and doctor! Thanks

Reviewed on Dec 29, 2023

This doctor was one of the best I have ever met.

Reviewed on Dec 29, 2023

Dr Thamilarasan is always terrific!

Reviewed on Dec 19, 2023

I'm impressed with the professionalism and concern for patients. Everyone we met was kind and knowledgeable. Dr Thamalarson took time to explain everything and answered all my questions. He made me feel comfortable that I was in excellent hands. I am so thankful that I came to Cleveland Clinic!!

Reviewed on Dec 12, 2023

Dr Thamilarasan goes over my tests results thoroughly and answers any questions that I have concerning my care.

Reviewed on Dec 12, 2023

A day's visit equivalent to my six months visit in my local doctor's visit and tests, amazing!

Reviewed on Dec 1, 2023

Dr. Thamilarasen and Lawanda are so responsive and professional. They are both excellent examples of the quality of Cleveland Clinic.

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