Thomas Callahan, MD
Primary Location
Cleveland Clinic Main Campus
- Appointment:
- 216.444.6697
- Desk:
- 216.444.2267
- Fax:
- 216.636.6953
Additional Locations
Cardiovascular Medicine
South Pointe Hospital
20000 Harvard Road
Warrensville Heights, OH 44122
Driving Directions
- Appointment:
- 216.444.6697
- Desk:
- 216.444.2267
- Fax:
- 216.636.6953
Treatment & Services
- Advanced Ischemic Heart Disease Center
- Atrial Fibrillation Center
- Biventricular Pacemaker
- Cardiac Electrophysiology & Pacing Section
- Cardiovascular Medicine Department
- Cardioversion
- Catheter Ablation
- Clinical Trials
- Implantable Cardioverter Defibrillator
- Lead Extraction (ICD, Pacemaker)
- Lifevest
- Pacemaker Implant
- Pulmonary Vein Ablation Procedure
Specialty in Diseases & Conditions
- Abnormal Heart Beats - Women
- Abnormal Heart Rhythms
- Arrhythmogenic Right Ventricular Dysplasia
- Atrial Fibrillation
- Atrial Flutter
- Bradyarrhythmias
- Cardiac Implantable Electronic Device Infection
- Heart Palpitations
- Long QT Syndrome (LQTS)
- Sudden Cardiac Death (Sudden Cardiac Arrest)
- Supraventricular Tachycardia
- Syncope
- Ventricular Fibrillation
- Ventricular Tachycardia
- Wolff-Parkinson-White Syndrome (WPW)
Insurance
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View All PlansAbout Thomas Callahan, MD
Thomas Callahan, IV, MD, is Staff Physician and Director of Inpatient Services in the Section of Pacing and Electrophysiology of the Sydell and Arnold Miller Family Heart, Vascular & Thoracic Institute at Cleveland Clinic. He is also the Associate Program Director for Cleveland Clinic’s cardiology and electrophysiology fellowships.
In addition to office visits, Dr. Callahan also offers scheduled follow up virtual visits to select patients, through the Cleveland Clinic Express Care ® Online app. This platform allows patients to see their physician live, using their smartphone, tablet or computer.
Specialty interests: Abnormal heart rhythm, atrial fibrillation, sudden cardiac death, supraventricular tachycardia, ventricular tachycardia, PVCs, Wolff-Parkinson-White syndrome, biventricular pacemaker, catheter ablation, implantable cardiac defibrillator, lead extraction
Number of Procedures Performed: Dr. Callahan has performed more than 900 catheter ablation procedures throughout his career.
Success rates: Cleveland Clinic has been ranked the #1 hospital for cardiology and heart surgery by U.S. News & World Report since 1994. Success rates for specific procedures are available at http://my.clevelandclinic.org/heart/about-heart-vascular-institute/treatment-outcomes.aspx
Education and Training: Dr. Callahan received his undergraduate degree from Oberlin College, OH. He received his master's degree from the University of Michigan, and he earned his medical degree from Eastern Virginia Medical School, Norfolk. He joined Cleveland Clinic in 2003 and completed fellowships in Cardiovascular Medicine Cardiac Electrophysiology and Pacing. Prior to coming to Cleveland Clinic, he was a resident at the Hospital of the University of Pennsylvania, where he was Chief Resident in internal medicine.
Publications and Speaking: Dr. Callahan has authored and co-authored many articles published in leading medical journals.
About Dr. Callahan: “I enjoy my field because we have the ability to make many patients feel dramatically better. I am also excited by the constant advancement in the field.”
Leisure Activities: Dr. Callahan is a private pilot. He also enjoys skiing and spending time with his family.
Education & Professional Highlights
Appointed
2008
Education & Fellowships
Fellowship - Cleveland Clinic
Electrophysiology
Cleveland,
OH USA
2008
Fellowship - Cleveland Clinic
Cardiovascular Medicine
Cleveland,
OH USA
2006
Residency - Hospital of the University of Pennsylvania
Internal Medicine
Philadelphia,
PA USA
2003
Internship - Hospital of The University of Pennsylvania
Internal Medicine
Philadelphia,
PA USA
2000
Medical Education - Eastern Virginia Medical School
Norfolk,
VA USA
1999
Graduate School - University of Michigan
Ann Arbor,
MI USA
1994
Undergraduate - Oberlin College
Oberlin,
OH USA
1993
Certifications
- Internal Medicine - Cardiovascular Disease
- Internal Medicine - Clinical Cardiac Electrophysiology
Specialty Interests
Abnormal heart rhythm, atrial fibrillation, sudden cardiac death, supraventricular tachycardia, ventricular tachycardia, PVCs, Wolff-Parkinson-White syndrome, biventricular pacemaker, catheter ablation, implantable cardiac defibrillator, lead extraction
Awards & Honors
- 2006, Dawson Award for Clinical Excellence and Humanism
- 2004, Frederic J. Pashkow Award for Clinical Excellence
Research & Publications
See publications for Thomas Callahan, 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
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 3/16/2020, Dr. Callahan 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.
258 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 | |
|---|---|---|
| Explains | 4.9 | |
| Listens | 4.9 | |
| Courtesy, Respect & Concern | 4.9 | |
| Patient Rating of Doctor | 4.9 |
47 Patient Comments
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Reviewed on Mar 6, 2020
Dr Callahan is a very caring professional with great bedside manner
Reviewed on Feb 28, 2020
Dr Callahan is an excellent doctor. He takes his time to listen and answer all questions. I would definitely recommend him.
Reviewed on Feb 21, 2020
Dr.Callahan made me feel at ease about my heart,he listened,assessed,and was very thorough. I also like that he uses updated technology and made it clear he was easy to reach if I have any concerns.
Reviewed on Feb 14, 2020
A very good session with Dr. Callahan. Really helped me understand my options as well as get a valuable second opinion.
Reviewed on Feb 14, 2020
Dr C is excellent.
Reviewed on Jan 31, 2020
Dr. Callahan was very knowledgeable and provided great feedback regarding my symptoms. He is waiting for insurance approval for further testing.
Reviewed on Jan 28, 2020
dr. Callahan! all the people I came into contact were great!
Reviewed on Jan 10, 2020
Dr. Callaghan is wonderful! He took the time to answer all my questions and explained things throughly. I highly recommend him!
Reviewed on Jan 10, 2020
As stated earlier Dr. Callaghan was wonderful
Reviewed on Jan 2, 2020
My pacemaker was set correctly. Dr. Callahan answered all my questions.
Reviewed on Jan 2, 2020
I thought very highly of Dr. Callahan. I would recommend him to anyone that has a heart problem.
Reviewed on Jan 2, 2020
I have been recommending the Dr. & the Clinic in general.
Reviewed on Dec 31, 2019
Dr. Callahan was exceptional. I am now hopeful and less anxious about my condition and treatment options/long term prognosis
Reviewed on Dec 7, 2019
We tell everyone about this incredible hospital, perhaps a little too much. We are so thankful for the brilliant physicians and the kind and attentive care.
Reviewed on Nov 19, 2019
for Callahan has given me peace of mind and options for treatment should it become necessary excellent physician I have already recommended Cleveland clinic to relatives and friends
Reviewed on Nov 19, 2019
Dr. Callahan was excellent. So glad he took care of me.
Reviewed on Nov 18, 2019
Dr Callahan was wonderful to work with. He answered my questions as deep and technical as I wanted to go with honesty and full disclosure.
Reviewed on Nov 15, 2019
Love Dr Callahan!
Reviewed on Oct 22, 2019
Dr Callahan is one of the best listeners I have encountered
Reviewed on Oct 22, 2019
Wonderful Doctor and Staff. They touch my heart.
Reviewed on Oct 18, 2019
Dr. Callahan was absolutely amazing. he listened, took the time and was very kind
Reviewed on Oct 18, 2019
probably the best doctor I ever had I'm covering any question that I had to ask him very relaxed and very nice and very thorough
Reviewed on Oct 14, 2019
Very difficult to get a message to this dr. and get a timely response. Suggestion was for me to use email on mychart but sometimes need to talk to someone by phone.
Reviewed on Oct 11, 2019
Dr Callahan is an amazing doctor- the best! He is so kind and takes time to answer questions. He also is so smart!
Reviewed on Oct 11, 2019
Everyone was kind and concerned. Both my parents now see Dr Callahan because of my experience with him.
Reviewed on Sep 24, 2019
wonderful experience. wish I would have come to CC and Dr Callahan two years ago
Reviewed on Sep 24, 2019
Dr Callahan was extremely personable ama easy to talk to. He listened to all my concerns and did not rush me at all. I feel very comfortable with him as my doctor.
Reviewed on Sep 10, 2019
Dr. Callihan listened to my multiple questions, offered me options and then encouraged me to think about my decision. He walked me out of the office to the scheduler and also retrieved my educational material for me.
Reviewed on Sep 9, 2019
Due to some changes in my health, Dr. Callahan's office was able to change my virtual appointment to an in-person appointment. I greatly appreciate that.
Reviewed on Aug 30, 2019
dr. Callahan very helpful
Reviewed on Aug 30, 2019
dr. Callahan very caring
Reviewed on Aug 16, 2019
Dr. Callahan was great. Explained things very well and give confidence to me.
Reviewed on Aug 13, 2019
Dr. Callahan was extremely excellent. Would like to rate him higher. He took the time to listen and answer all my concerns. Really appreciated his eye contact throughout the appointment.
Reviewed on Aug 13, 2019
Dr. Callahan always takes his time and talks with me about any of my concerns. I never feel rushed. He is great at his job.
Reviewed on Jul 19, 2019
Dr Callahan was good about asking and answering questions, and then listened very carefully to me. I really appreciated that.
Reviewed on Jul 12, 2019
Dr Callahan gave me total confidence in the procedure I'll be having soon.He answered any question I had and answered most of them before I asked.
Reviewed on Jul 2, 2019
Wonderful doctor!
Reviewed on Jun 21, 2019
waited 1 hour in exam room to see doctor
Reviewed on Jun 14, 2019
I felt very at ease with the time spent with the care provider and more assured about what I needed to do. I was confident with his recommendations and felt more at peace with my situation.
Reviewed on Jun 14, 2019
Dr Callahan was was terrific. He was kind and took the time to help me understand the results of my test. I felt very comfortable with his explanation and would like to proceed with treatmentt at the Cleveland Clinic.
Reviewed on May 31, 2019
I've had very good experience at Cleveland Clinic and very much appreciate being a patient of Dr. Callahan. He is very good to work with, answers my questions, helps me understand the changes that are made to my device.
Reviewed on May 31, 2019
There were no delays. Everything progressed along right on time and I was in to see Dr. Callahan before my scheduled appointment.
Reviewed on May 29, 2019
Dr Callahan was able to see me within few days
Reviewed on May 13, 2019
Very good experience. Dr. Callahan is always very nice and has lot of patience. He is a good listener. I am very fortunate to have him as my main cardiologist. Very helpful in every way.
Reviewed on May 13, 2019
Dr. Callihan very knowledgeable
Reviewed on Apr 15, 2019
I am very pleased with how thorough Dr Callahan is in his explanation of possible treatment options . I am also pleased with his willingness to listen to concerns and explain with visual aids
Reviewed on Apr 12, 2019
Doctor Callahan concentrated on my problems and listened intently. Very important to me that he listened I intern listened to what he had to say more intently than I sometimes do in other circumstances.