Treatment & Services
- Advanced Ischemic Heart Disease Center
- Atrial Fibrillation Center
- Biventricular Pacemaker
- Cardiac Electrophysiology & Pacing Section
- Cardiovascular Medicine Department
- Catheter Ablation
- Clinical Trials
- Implantable Cardioverter Defibrillator
- Lead Extraction (ICD, Pacemaker)
- 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
- Cardiac Implantable Electronic Device Infection
- Heart Palpitations
- Long QT Syndrome (LQTS)
- Sudden Cardiac Death (Sudden Cardiac Arrest)
- Supraventricular Tachycardia
- Ventricular Fibrillation
- Ventricular Tachycardia
- Wolff-Parkinson-White Syndrome (WPW)
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Education & Professional Highlights
Education & Fellowships
Fellowship - Cleveland Clinic
Cleveland, OH USA
Fellowship - Cleveland Clinic
Cleveland, OH USA
Residency - Hospital of the University of Pennsylvania
Philadelphia, PA USA
Internship - Hospital of The University of Pennsylvania
Philadelphia, PA USA
Medical School - Eastern Virginia Medical School
Norfolk, VA USA
Graduate - University of Michigan
Ann Arbor, MI USA
Undergraduate - Oberlin College
Oberlin, OH USA
- Internal Medicine - Cardiovascular Disease
- Internal Medicine - Clinical Cardiac Electrophysiology
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
(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.)
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 5/3/2019, Dr. Callahan 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.
Consulting and/or Speaking. Dr. Callahan receives fees of $5,000 or more per year as a paid consultant, speaker or member of an advisory committee for the following companies:
- Biotronik, Inc.
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.
238 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.
|Courtesy, Respect & Concern||4.9|
|Knows Medical History||4.8|
|Time Spent with Patient||4.9|
|Patient Rating of Doctor||4.9|
17 Patient Comments
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.
Reviewed on Feb 22, 2019
at the end of the week and last appt dr Callahan was totally engaged caring kind & gentle sense of humor. thorough too
Reviewed on Feb 11, 2019
Dr. Callahan was excellent. He was highly knowledgeable, patient and personable. He explained everything I needed to know and more. My wife and i left there feeling secure and fully informed regarding the decision we have to make. Very impressive.
Reviewed on Jan 18, 2019
Dr Calliahnan is excellent at what he does. He and his attendant made my wife and I very comfortable and she was personable. Tom is very good at making us at ease with this device.
Reviewed on Jan 18, 2019
My experience was very good as usual with Dr. Callahan. He is always very kind and taking good care of his patience. He is a good listener and try to help in every wry. Also I am very pleased that there are very good team of RN who checked my Pace Maker. They really helped me and now I feel much better.
Reviewed on Jan 14, 2019
My experience was very positive. Professionalism was shown by all of the hospital and medical staff. Dr. Callahan's attention to my concerns and frustration was above and beyond. He listened! He explained all the different options of treatment and then allowed me to make the choice that I felt was best for me at this time. He encouraged me to stay in touch and he said he would respond as soon as possible. I left feeling hopeful and knowing I had found the best doctor for me. I don't have to look any further.
Reviewed on Jan 11, 2019
best provider I have ever seen.
Reviewed on Dec 28, 2018
Dr Callahan listened closely and answered all my questions; I did not feel rushed.
Reviewed on Nov 6, 2018
I never felt hurried and Dr. spent a lot more time with me compared to cardiologists in my area. He was wonderful!!
Reviewed on Sep 25, 2018
Dr Callahan is always addresses my medical needs. He takes his time with me and speaks in terms that I understand. All in all he is a great doctor.
Reviewed on Aug 20, 2018
immediately arranged for me to see another physician in pulmonary care
Reviewed on Aug 17, 2018
Wait time of 1.5 hours to see Dr.
Reviewed on Jul 17, 2018
I always consider Dr. Callaghan's busy schedule. I know he is a very busy man, and has a lot of other very sick patients. But when he is with me, he is fully with me. I cannot ask for more.
Reviewed on Jul 9, 2018
high regard for support and professionalism of Dr Callahan and staff.
Reviewed on Jun 19, 2018
Dr. Callahan has always listened to my concerns and discussed them thoroughly.
Reviewed on May 18, 2018
Dr. Callahan was recommended by a friend of mine who was also a patient of Dr. Callahan for a similar problem. The doctor was very easy to talk to and provided me with the information I was looking for. A+
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