Emergency icon Important Updates
Department Cardiovascular Medicine
Primary Location Weston Hospital
Type of Doctor Adults Only
Languages Afrikaans, English
Surgeon No
Locations Specialties & Treatments

Treatment & Services

  • Abnormal Stress Test
  • Angioplasty
  • Cardiac Critical Care
  • Cardiovascular Disease Risk Prevention
  • Clinical Cardiology Section
  • Coronary Artery Atherectomy
  • Coronary Artery Calcium Score
  • Coronary Balloon Angioplasty (PTCA)
  • Coronary Intervention
  • Drug Eluting Stenting
  • Endomyocardial Biopsy
  • Fractional Flow Reserve (FFR) Determination
  • Intra-Aortic Balloon Pumping
  • Pericardiocentesis
  • Rotational Atherectomy
  • Selection of Patients for Coronary Artery Surgery
  • Selection of Patients for Valvular Surgery
  • Swan-Ganz Catheterization
  • Temporary Pacemakers
View all 19 Treatment & Services +

Specialty in Diseases & Conditions

  • Acute Myocardial Infarction
  • Angina
  • Aortic Regurgitation
  • Aortic Stenosis
  • Aortic Valve Regurgitation
  • Asymptomatic Valve Dysfunction
  • Atherosclerosis
  • Atrial Fibrillation
  • Blocked Arteries
  • Cardiomyopathy
  • Cardiovascular Disease
  • Chest Pain
  • Constrictive-Pericarditis
  • Coronary Aneurysm
  • Coronary Artery Disease
  • Diabetic Heart Disease
  • Dilated Cardiomyopathy
  • Femoral Artery Disease
  • Heart Attack
  • Heart Murmur
  • Heart Valve Disease
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • Inoperable Coronary Artery Disease
  • Mitral Valve Prolapse
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Myocardial Ischemia
  • Pericardial Effusion
  • Pericarditis
  • Restenosis
  • Rheumatic Heart Disease
View all 32 Specialties +


Is Cleveland Clinic Florida Part of Your Insurance?

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

View All Plans

About Stephen Tobias, MD

Stephen Leslie "Les" Tobias, MD, FACC, FSCAI is an Interventional Cardiologist in the Robert and Suzanne Tomsich Department of Cardiovascular Medicine at the Cleveland Clinic-Florida.

Dr. Tobias is certified by the American Board of Internal Medicine in cardiology and interventional cardiology. His specialty is the non-surgical treatment of coronary artery disease, with particular emphasis on complex coronary interventions (angioplasties and stents).

Dr. Tobias was born in South Africa and received his medical school training at the University of the Witwatersrand in Johannesburg. He completed an internal medicine residency and cardiology fellowship in South Africa and served as a physician in the South African Medical Corps. He immigrated to the United States in 1989 and received additional residency training in internal medicine at Mount Sinai Medical Center, Cleveland, Ohio,  where he was also the chief resident.  In 1991, he joined the faculty at Vanderbilt University Medical Center, NasHVTIlle, Tennessee as an interventional cardiologist.  During his tenure, he was medical director of the cardiac catheterization laboratory at the VA Medical Center.  In 1994 he joined Akron General Medical Center, Akron, Ohio as an interventional cardiologist until transferring to the Cleveland Clinic - Florida in May 2016.

He has had more than 25 years of experience in treating patients with complex coronary artery disease, having performed in excess of 10,000 cardiac catheterizations, coronary angioplasties and stents. He started Akron's first transradial program (wrist approach to cardiac catheterization) in 2010 and has personally performed more than 700 procedures.

He has had extensive experience treating patients with STEMI's (heart attacks) and was responsible for Cleveland Clinic - Akron General to be the first accredited Chest Pain Center in the area.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Residency - Mt. Sinai Medical Center
Cleveland, OH

Fellowship - Johannesburg Hospital


Residency - Baragwanath Hospital
Internal Medicine

Internship - Johannesburg Hospital


Medical Education - University of the Witwatersrand Medical School

Additional Training

  • Board Certification - Cardiology
  • Board Certification - Interventional Cardiology

Professional Highlights

  • Director of Cardiology - J.G. Strijdom Hospital, Johannesburg, South Africa.
  • Medical Director, Cardiac Catheter Lab - VA Medical Center, Nashville, Tennessee.
  • Medical Director, Cardiac Catheter Lab - Akron General Medical Center, Akron, Ohio
  • Chairman, Cardiac Catheterization Lab Quality Improvement Committee - Akron General Medical Center, Akron, Ohio
  • Member, Heart and Vascular Governance Committee - Akron General Medical Center, Akron, Ohio


  • Internal Medicine - Cardiovascular Disease

Awards & Honors

  • American Heart Association Distinguished Heart Champion - 2014


  • Fellow of the Society for Cardiac Angiography and Interventions.
  • Fellow of the American College of Cardiology
Research & Publications

Research & Publications

See publications for Stephen Tobias, 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 5/7/2024, Dr. Tobias 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

602 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
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

118 Patient Comments

Reviewed on Jun 21, 2024

Great Doctor!

Reviewed on Jun 20, 2024

Have sent many to Dr Tobias

Reviewed on Jun 19, 2024

Very impressed with speed at which provider responded interpreting tests.

Reviewed on Jun 5, 2024

Dr. Tobias is excellent

Reviewed on Jun 3, 2024

Dr Tobias is great.

Reviewed on May 28, 2024

Dr Tobias has always shown his care and concern

Reviewed on May 24, 2024

Excellent Physician who truly cares for his patients

Reviewed on May 20, 2024

I was extremely impressed by and happy with the care I received from Dr. Tobias. He took the time to explain everything to me at initial visit and then called me on the same day that I had CT Calcium Scoring performed to provide me with results and explain same to me and to make recommendation for treatment. Absolutely top-notch service!

Reviewed on May 20, 2024

Excellent Heart Doctor!

Reviewed on May 15, 2024

Dr. Tobias is the BEST. I consider him my primary care doctor although I accept that is not his role.

Reviewed on May 15, 2024

Dr. Tobias = 2 thumbs up

Reviewed on May 14, 2024

Great experience Dr explains everything in detail

Reviewed on May 13, 2024

Dr Tobias was amazing and engaged

Reviewed on May 13, 2024

Dr Tobias was very clear in explaining my test results.

Reviewed on May 13, 2024

Very pleased with my visit with Dr Tobias as appreciated him getting back to me as quick as he did with my test results.

Reviewed on May 10, 2024

Dr. Tobias is the best!!

Reviewed on May 8, 2024

Dr. Tobias is very patient focused. He listens and answers questions. I feel very confident with him as my Sr.

Reviewed on May 7, 2024

Felt very comfortable and confident in Dr. Tobias.

Reviewed on May 6, 2024

Dr Stephen Tobias and his staff are exceptional care providers

Reviewed on May 6, 2024

Dr Tobias listens to me attentively and is very caring

Reviewed on May 3, 2024

Dr. Tobias is an excellent cardiologist. Listens & provides professional advice

Reviewed on Apr 26, 2024

Dr. Tobias is very kind, patient, knowledgeable, thorough, and professional. Outstanding.

Reviewed on Apr 25, 2024

Been going to Dr Tobias for years now. He is terrific!

Reviewed on Apr 22, 2024

Excellent doc and staff.

Reviewed on Apr 22, 2024

Thank your Dr. Tobias for the kindness, dedication and valuable time during the appointment.

Reviewed on Apr 22, 2024

Excellent Doctor interaction with patient.

Reviewed on Apr 12, 2024

Dr. Tobias is the upper most caring cardiologist in the planet!!!ALL OF THE GOOD ATTRIBUTES are in his persona.

Reviewed on Apr 12, 2024

Can't say enough good things about Dr Tobias

Reviewed on Apr 11, 2024

Dr. Tobias is a warm, competitent, and very professional specialist.

Reviewed on Apr 9, 2024

Dr Tobias is wonderful. So easy to talj to & explains everything so well. Live him as a doctor. He is the best

Reviewed on Apr 8, 2024

I am extremely satisfied with Doctor Tobi have been seeing him for maybe 5 or 6 years and I have always. Felt very confidextremely pleased with. The help that he is always giving me

Reviewed on Apr 2, 2024

Dr. Tobias has a gentle calming manner about him

Reviewed on Apr 2, 2024

Excellent care by Dr Tobias

Reviewed on Mar 26, 2024

Dr Tobias was very informative

Reviewed on Mar 22, 2024

Dr. Tobias was great he is a very caring Dr. Is nice to have a doctor that cares about his patients.

Reviewed on Mar 21, 2024

Dr Tobias is an outstanding caring physician

Reviewed on Feb 7, 2024

What a courteous doctor! I know that specialist doctors are very busy, but I never felt rushed. It was my first appointment with him and I felt very well cared for.

Reviewed on Feb 6, 2024

Dr Tobias offered me a personal account of a situation he endured and his recommendation and experience helped me step back and take another look at the surgery (and physician) before moving ahead. Thank you so much for sharing. I'm at peace.

Reviewed on Feb 2, 2024

Everyone should have a Dr.Tobias. He has always answered my questions, writes back asap and is a good listener. A very kind, caring and wonderful doctor.

Reviewed on Feb 2, 2024

Dr Tobias is a great doctor. Really happy to have him as my cardiologist.

Reviewed on Feb 1, 2024

I recommended Dr. Tobias to my mother, my husband, and any friends that asked me for a good Cardiologist. He is the best Cardiologist I've ever had a pleasure of working with. Not only is he kind, but he listens, he cares, and he wants to do his best to ease my concerns.

Reviewed on Jan 31, 2024

Dr. Tobias is EXCELLENT!! So is his staff!!

Reviewed on Jan 29, 2024

Dr Tobias was very courteous, professional and listened very intently to my concerns and took the time to answer my questions and explained.

Reviewed on Jan 26, 2024

Dr Tobias is great !

Reviewed on Jan 25, 2024

Dr. Tobias was excellent. He listened to me. He explained everything so that I would understand it and gave me a chance to ask questions.

Reviewed on Jan 23, 2024

I was very impressed with service. Dr. Tobias, the cardiologist was very thorough in explaining what my visit was about. I found that Dr. Tobias's nurse was also very knowledgeable in explaining what she was doing. Overall a very positive visit and I am happy.

Reviewed on Jan 23, 2024

Excellent Doctor and Nurse team. I will recommend Cleveland Clinic highly.

Reviewed on Jan 22, 2024

Great experience with Dr. Tobias and clinic staff

Reviewed on Jan 17, 2024

Excellent Doctor

Reviewed on Jan 17, 2024

Dr Tobias is an extremely dedicated and competent doctorHis staff Is compassionate and professional

Reviewed on Jan 15, 2024

Dr. Tobias is a gentleman and a scholar . He's very mild mannered and puts you at ease. . He does not rush and answers all your questions.

Reviewed on Jan 12, 2024

Tobias is a great cardio Dr and very nice man

Reviewed on Jan 9, 2024

Dr. Tobias is a wonderful person and doctor

Reviewed on Jan 9, 2024

Dr Tobias has great bedside manner

Reviewed on Jan 8, 2024

Dr Tobias was very professional..listened to my concerns, examed me and made appropriate tests for me...he also followed up with the results from the testing

Reviewed on Jan 5, 2024

Dr. Tobias always responds quickly when I message him with concerns.

Reviewed on Jan 3, 2024

I had no problem with the care that Dr Tobias gave me. However, I do not know if he told the nurse to come back to our room.

Reviewed on Jan 3, 2024

Great doctor

Reviewed on Jan 3, 2024

Dr Tobias is truly exceptional, he's very professional, always explains everything clearly,always call back when reaching out to him., and he provides great care for me as a patient I'm actually very grateful that he's my Dr.

Reviewed on Jan 3, 2024

In general often too long waiting time to get an appointment. Extremely long waiting time for primary physician, several months !!

Reviewed on Dec 20, 2023

Dr. Tobias very caring and knowledgeable

Reviewed on Dec 19, 2023

Dr. Tobias was very thorough and pleasant. It was my first appointment with him, and my first impression is that he is an excellent cardiologist.

Reviewed on Dec 19, 2023

I would definitely recommend Dr. Tobias, and I always recommend Cleveland Clinic.

Reviewed on Dec 8, 2023

Felt very comfortable with the doctor and he was patient and made recommendations based on tests.

Reviewed on Dec 8, 2023

Dr Tobias was clear and described everything with an ease of understanding and provided excellent explanations for the course of treatment and follow-up.

Reviewed on Dec 5, 2023

Dr. Tobias is terrific.

Reviewed on Dec 1, 2023

Dr. Tobias is an outstanding doctor.

Reviewed on Nov 29, 2023

Dr. Tobias went above and beyond to help us get the information we needed after the initial mix up with the scheduler. We are very grateful to him for going the extra mile to put us in touch with the correct specialist.

Reviewed on Nov 24, 2023

Very HAPPY with Dr. Tobias. He was very caring and informative.

Reviewed on Nov 15, 2023

So approachable and a very excellent phenomenal caring physician.

Reviewed on Nov 10, 2023

Dr. Tobias is the very best

Reviewed on Nov 6, 2023

Dr. Tobias is a very professional and caring physician. I appreciate how he guides me through my care process and helps me to understand my options. I feel we have a great care plan in place and look forward to seeing Dr. Tobias in the future.

Reviewed on Oct 25, 2023

Dr. Tobias was very professional. He examined me; provided his medical evaluation of my cardiac condition; tested my heart's characteristics and provided an objective medical diagnosis. I was very pleased with his medical services.

Reviewed on Oct 24, 2023

My doctor is always very attentive and concerned about my issues, and always seeks to address them

Reviewed on Oct 24, 2023

Dr Tobias is an extremely competent doctor and a kind human being- he is an asset yo Cleveland Clinic

Reviewed on Oct 20, 2023

Dr. Tobias is both very professional as well as an excellent communicator. At the same time, he demonstrates a real interest in me as a patient.

Reviewed on Oct 16, 2023

My experience as a new patient was very good. The time from registration to the time that I was seen by the Doctor was 100% on target. My intake nurse was very knowledgeable and Polite.

Reviewed on Oct 16, 2023

The Doctor was very polite and knowledgeable of of diagnosis

Reviewed on Oct 10, 2023

Dr Tobias is extremely caring & compassionate. He listens carefully to the patient, does not rush them, answers all questions, & schedules follow-ups.

Reviewed on Oct 6, 2023

I'm very happy with Dr Tobias and Jane's (Dr Tobias' nurse) expertise and helpfulness.

Reviewed on Sep 22, 2023

The nurse, especially knew exactly what I needed to do and help me with some other issues. I was very pleased. Dr Tobias has saved my life.

Reviewed on Sep 22, 2023

Dr.Tobias and his staff are exceptionally, personable and caring.

Reviewed on Sep 21, 2023

One of the best interactions I've had with my physician.

Reviewed on Sep 21, 2023

Dr. Tobias is an excellent cardiologist. Thorough explanation and recommendations for my care.

Reviewed on Sep 20, 2023

The staff and doctor are great helpful people.

Reviewed on Sep 11, 2023

Dr Tobias was great!

Reviewed on Sep 6, 2023

Dr. Tobias is a caring Dr. With expert guidance and knowledge.

Reviewed on Aug 28, 2023

I left with a vague sense of further plan for treatment. Once scheduled follow up appt made, I then understood future plans for treatment. I needed thorough plan for treatment.

Reviewed on Aug 23, 2023

Dr Tobias is a very professional doctor, extremely knowledgeable

Reviewed on Aug 21, 2023

Pleasant Dr. Listens and answers questions

Reviewed on Aug 18, 2023

Excellent doctor one of the best I have seen

Reviewed on Aug 14, 2023

Dr. Tobias is 100% focused and cares about my well being. He is gentle and thorough

Reviewed on Aug 10, 2023

Dr. Tobias listened when I told him about a slew of expensive genetic tests another doctor with another hospital affiliation kept pressing me to have, and we discussed whether or not it was necessary or helpful for my treatment. Dr. Tobias told me that at my age It would not change my treatment but that someone much younger might benefit eventually from such testing. I passed along his point of view to my son, who has now said that he might look into it. I very much appreciated his practical explanation!!

Reviewed on Aug 8, 2023

Doctor gave me his full attention with eye contact and answered all my questions!

Reviewed on Aug 4, 2023

Dr Tobias was so gentle and even toned in his speech. Made me trust that he was really trying to figure out what was going on with me and that this was not just another visit where I am paying for something I didnt need.

Reviewed on Aug 4, 2023

Dr Tobias is a very kind and excellent doctor.

Reviewed on Aug 3, 2023

Dr. Tobias is very thorough and kind, and patiently listened to my concerns.

Reviewed on Aug 2, 2023

I was referred to Dr. Tobias by primary care physician- Dr. Meier. It was to follow up on a recently completed calcium C scan. I explained the situation to the nurse and she was very helpful in setting up my appointment.

Reviewed on Aug 2, 2023

Dr. Tobias was very nice and extremely empathetic regarding the results of my Calcium C score. He broke the info into very easy to understand components including making a drawing of how plaque builds up in the heart's arteries. He also referenced my score relative to other scores he's seen in other patients, and the approach he took with their treatments. This made me very relieved and I felt very confident with how we would move forward with my treatment.

Reviewed on Aug 2, 2023

Dr. Tobias was very professional, friendly, and put me at ease. He took the time to listen explain everything to me. His manner and expertise allowed me to have confidence in placing my healthcare in his hands. In addition, unlike many doctors, Dr Tobias took the time to call me and give me my results, even though I could have looked it up in My Chart. This type of interaction is rare theses days. This may be attributed to his many years of experience. Other doctors could learn from him.

Reviewed on Aug 2, 2023

Excellent doctor and assistant.

Reviewed on Aug 2, 2023

Wonderful doctor!!

Reviewed on Aug 1, 2023

In my humble opinion and experience, Dr. Tobias is the best cardiologist I've ever met. I would trust my life ( and in fact I did). Thank You Dr. Tobias !

Reviewed on Jul 28, 2023

I have been a patient of Dr. Tobias for over ten years. I changed cardiologists because of the lack of responsiveness by my previous cardiologist. Dr. Tobias' scheduling allows me to get in to see him in a reasonable time. He is also prompt in returning emails via the patient portal. He is thorough, very attentive, and spends as much time as needed yo address my concerns. I highly recommend him to anyone looking for a cardiologist with extensive experience and excellent patient relationship skills.

Reviewed on Jul 28, 2023

I did not make the appointment, my primary care doctor's office did.

Reviewed on Jul 28, 2023

Dr.Tobias was friendly, courteous and knowledgeable and seemed interested in me and concerned about my episodes of syncope. He prescribed a course of action which I will follow after I have had my knee replacement scheduled for Aug. 10.

Reviewed on Jul 26, 2023

Dr. Tobias is excellent

Reviewed on Jul 26, 2023

Doctor was very professional.

Reviewed on Jul 25, 2023

Dr. Tobias was very pleasant, patient and seemed to care about my concerns. He did a thorough exam and made sound educated recommendation. This was my first visit with him and I was very pleased with his service.

Reviewed on Jul 25, 2023

I had a very pleasant visit with Dr. Tobias his demeanor, humbleness, patience and sense of being educated and experienced Is unmatched. I have a slight murmur so each year I would get an echo done. I decided to try a different cardiologist to Inquire about calcium test and not only was my exam thorough he listened to my concers and made sound educated recommendation. This was my first visit with him and I was very pleased with his service.

Reviewed on Jul 25, 2023

I actually did not need a phone call. Dr. Tobias was very nice. I just wish my echo results were ready so we could have discussed them. Dr. Tobias and his assistant were very nice and it was a really good visit and experience.

Reviewed on Jul 25, 2023

We did not discuss treatment and there is another test scheduled so I don't know too much yet. I hope that Dr. Tobias and my Vascular Doctor, Dr. Groove will provide results of my test and perhaps help me understand all this. I do feel very anxious. But both have been very Professional.

Reviewed on Jul 18, 2023

Dr Tobias new what had to be done. A very good doctor

Reviewed on Jul 18, 2023

It was a pleasure to meet the doctor. He seemed to listen and be concerned. I trust his recommendations. And look forward to a long relationship.

Reviewed on Jul 11, 2023

Dr. Tobias listened to me with utmost care and empathy. He reviewed my previous records as well.

Reviewed on Jul 10, 2023

Dr Tobias is excellent

Reviewed on Jul 5, 2023

Love the Doctor!! Very through and accessible. Very kind man!!!

Reviewed on Jul 5, 2023

Excellent Doctor!!!

Back to Top