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Justin Arunthamakun, MD
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13 Patient Reviews
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Office Hours

  • Mon:8:00am - 5:00pm
  • Tue:8:00am - 5:00pm
  • Wed:8:00am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 5:00pm

Justin Arunthamakun, MD

Internal Medicine Physician - Clinical Cardiac Electrophysiology

Highlights

  • Has Online Scheduling

Biography

Dr. Arunthamakun specializes in the treatment of cardiac arrhythmias and the management of devices such as pacemakers and defibrillators. The scope of his care also includes the treatment of complex a… Read more ›

Featured Review See More Reviews

Dr. A was very pleasant, personable, and professional in my encounter with him. He gently and patiently explained my condition to me, his plan of care, and the interventional options for my heart's condition.…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
University of Tennessee Health Science Center College of MedicineDoctorateOther2016
University of Tennessee Center for Health SciencesDoctorateOther2016
Baylor College of MedicineDoctorateOther2019
Baylor University Medical Center (Texas)DoctorateOther2022
Ascension St. VincentDoctorateOther2024

InstitutionFocusYear
Internship - Baylor College of MedicineInternal Medicine2019
Residency - Baylor College of MedicineInternal Medicine2022
Fellowship - Baylor University Medical Center (Texas)Cardiovascular Disease2022
Fellowship - Ascension St. VincentClinical Cardiac Electrophysiology2024

Photos

Provider Profile 0Provider Profile 1

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Clinical Cardiac Electrophysiology

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 13
Most Recent Review: 01/17/2026
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Office & Staff Evaluation

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Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation

Willingness to Spend Time with You
Listening Skills
Clear Explanations
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Verified Patient

“Dr. A was very pleasant, persona...”

Dr. A was very pleasant, personable, and professional in my encounter with him. He gently and patiently explained my condition to me, his plan of care, and the interventional options for my heart's condition.

Anonymous 01/17/2026
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Verified Patient

“Extremely knowledgeable and teac...”

Extremely knowledgeable and teaching is quite informative.

Anonymous 12/08/2025
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Verified Patient

“He answered every question that ...”

He answered every question that I had with detail

Anonymous 10/25/2025
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Verified Patient

“Dr. Arunthamakun, his office sta...”

Dr. Arunthamakun, his office staff and surgical team are all exceptional!!!I would recommend this team to any and who need help with arrhythmia issues!

Anonymous 10/13/2025
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Verified Patient

“Dr. A was very considerate and r...”

Dr. A was very considerate and respectful of my mom who has dementia. He took the time to answer any questions she or I had. He explained things so that she could understand and never talked down to her.

Anonymous 10/07/2025
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Verified Patient

“He related which medical term wo...”

He related which medical term would be suitable for my situation with options if necessary.

Anonymous 12/13/2025
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Verified Patient

“Did a great job in a timely fash...”

Did a great job in a timely fashion

Anonymous 11/06/2025
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Verified Patient

“Very knowledgeable and thorough ...”

Very knowledgeable and thorough with his explanations of issues and procedures.

Anonymous 10/14/2025
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Verified Patient

“He is very professional and very...”

He is very professional and very to the point, doesn't mess around when comes to your health. Very impressive. The group I have met and dealt with at Baylor Scott and White treated me like part of their family. I look forward to continuing with my care through him.

Anonymous 10/11/2025
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Verified Patient

“Very thoroughaddressed all my co...”

Very thoroughaddressed all my concern

Anonymous 10/04/2025
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Marwan Mustaklem, Other   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Justin Arunthamakun, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Justin Arunthamakun, MD has not yet specified the insurance plans he accepts.
     

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