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image of Tankut Onal, MD
image of Tankut Onal, MD

Tankut Onal, MD

4.7 out of 5 stars

Accepting New Patients
Doctor Video



Clinical Interests:

Non-invasive Cardiac Imaging
Fetal Echocardiography
Cardiac Rhythm Disorders

Languages Spoken:


Patients Treated:

Young Adults


Dr. Onal believes that children are the most precious members of our community and he takes joy in serving them. He is married to a Floridian and he has two children. He loves fishing with his son and enjoys life near the ocean.

Before relocating to Southwest Florida, Dr. Onal served as assistant professor at Southern Illinois University School of Medicine for four years. Dr. Onal relocated to southwest Florida in 2011 and helped build a pediatric multi-specialty clinic in Naples and served as Chairman of Pediatrics at NCH. 

Dr. Onal specializes in treating many heart conditions including congenital and acquired heart disease. He also performs fetal echocardiograms to diagnose heart conditions before birth.

In 2023, Palm Beach Media Group recognized Dr. Onal as one of Southwest Florida’s top doctors from Lee Physician Group.

Dr. Onal’s achievements reflect the high level of care LPG providers offer every day at Lee Health, your community-owned health system. It’s the excellence you expect from providers that live, work, and care for patients right here at home.

Lee Physician Group Top Doctors

Meet the Doctor

Education & Training

Medical School:

Medical Doctorate: Marmara University School of Medicine - Istanbul, Turkey


Louisiana State University Health Sciences Center - Shreveport, LA


Pediatric Residency: Louisiana State University Health Sciences Center - Shreveport, LA


Pediatric Cardiology Fellowship: University of Florida Health Sciences Center - Gainesville, FL

Board Certification(s):

American Board of Pediatrics Pediatric Cardiology Board Certification; American Academy of Pediatrics Elected Flow; American Board of Pediatrics Pediatric Board Certification

Patient Reviews

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions.

Please see our FAQ page for more information.

  • 4.7out of 5 stars

    Explained Things Clearly

  • 4.7out of 5 stars

    Involved in Care Decisions

  • 4.7out of 5 stars

    Spent Enough Time

  • 4.7out of 5 stars

    Listened Carefully

  • 4.8out of 5 stars

    Showed Courtesy & Respect

  • 4.8out of 5 stars

    Likelihood to Recommend

4.7 out of 5 (57 ratings, 20 comments)

  • May 2, 2023

    The Dr. Was excellent, he take the time to explain very clear my daughter condition and explain to her how important is take care of her self

  • May 2, 2023

    We love doctor Onal! He was so patient and kind with magnolia and just really thoughtful in all of his explanations. Thank you so much Doctor Onal!

  • Apr 14, 2023

    Everyone was helpful and wonderful.

  • Apr 8, 2023

    The appoitment please exactly at time

  • Apr 1, 2023

    Excellent service!

  • Mar 14, 2023

    Dr. Onal is a fantastic cardiologist. I especially appreciate his willingness to explain exactly what the findings mean, and why certain “abnormal” findings are actually normal, so I am equipped to address those concerns with other practitioners in the future.

  • Mar 2, 2023

    Dr. Onal was absolutely amazing! He was very thorough, kind, knowledgeable and caring about my son's situation. He spent a lot of time with us. The staff was kind and caring as well. We walked away, very impressed with the overall experience. HIGHLY recommend.

  • Feb 8, 2023

    Dr. Onal and his staff are beyond exceptional.

  • Feb 7, 2023

    The medical assistant and the front end staff were very helpful and considerate.

  • Jan 23, 2023

    Very nice staff and amazing doctor. I strongly recommend this office. Very outstanding!

  • Jan 19, 2023

    The ultrasound technician was patient, professional and knowledgeable.

  • Nov 28, 2022

    The sonographer

  • Oct 28, 2022

    The staff is very respectful and manner

  • Oct 21, 2022

    Very professional group. Excellent treatment

  • Aug 26, 2022

    We have never had a bad visit with Dr Onal's team. EVERYONE is friendly, incredibly sweet and puts us at ease!! We commute from Naples to see them

  • Aug 10, 2022

    Our receptionist who received us and then see us when we go out at siut 304 was incredible!!,very professional,polite and friendly !

  • Aug 8, 2022

    Everyone was amazing and professional especially Dr Onal

  • Aug 6, 2022

    everyone is considerate

  • Jul 25, 2022

    I was not able to go to the appointment because I had to work. My mom took him to the appointment for me. The doctor took the time to call me at my job to explain. I was so thankful for his phone call and grateful.

  • Jun 14, 2022

    We didn't have to sit in a waiting room for hours. We were seen within a few minutes of our appointment. The nurse and doctor took their time with us and explained everything well.

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