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Edit this profileAt a glance
- 9500 Euclid Ave, Cleveland, OH 44195
About Dr. Callahan
Based in Cleveland, OH, Thomas D. Callahan, MD is listed in the NPI registry under clinical cardiac electrophysiology. Thomas graduated from Eastern Virginia Medical School in 1999. Thomas is also listed as specializing in internal medicine and cardiovascular disease. According to Medicare claims data, Thomas cared for 1,092 Medicare patients across 1,739 services. The services billed most often include evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days, evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days, and programming of dual lead pacemaker system. NPI 1023004520 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (800) 223-2273
- Email not available
Practice Locations
9500 EUCLID AVE
Cleveland, OH 44195
Conditions Commonly Evaluated or Treated
Within Clinical Cardiac Electrophysiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abnormal heart rhythms
Conduction disorders
Dangerous heart rhythms
Device issues
Fainting & reflex disorders
Genetic heart conditions
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Arrhythmogenic Right Ventricular Dysplasia
- Long QT syndrome
Heart failure and muscle
Heart muscle conditions
Heart rhythm disorders
Inherited rhythm disorders
Structural heart conditions
Symptoms
- Dizziness and Lightheadedness
- Fainting and syncope
- Heart palpitations
- Premature ventricular contractions
- Slow heart rate (bradycardia)
Most searched conditions
Autonomic disorders
Device complications
Procedures & services
Advanced therapies
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
- Cryoablation
Device care
Device management
Device placement
Device procedures
- Cardiac resynchronization therapy device placement
- Conduction System Pacing
- Leadless Pacemaker Placement
- Pacemaker Battery Replacement
- Pacemaker Lead Removal
- Subcutaneous Defibrillator Placement
- Implantable cardioverter-defibrillator placement
Diagnostic imaging
Diagnostic monitoring
Diagnostic testing
Diagnostic tests
- 30-Day Cardiac Event Monitor
- Electrophysiology study
- Genetic Arrhythmia Testing
- Heart monitor
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Tilt Table Test
- Wearable Heart Patch Monitor
External devices
Medication management
Minor device procedures
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Heart rhythm treatments
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
1,739 services · 1,092 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
309 | As often as other peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
264 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
200 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
130 | As often as other peers in Clinical Cardiac Electrophysiology |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
128 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of multiple lead implantable defibrillator system | Treatment | 93284 |
90 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead implantable defibrillator system | Treatment | 93283 |
39 | As often as other peers in Clinical Cardiac Electrophysiology |
| Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm | Treatment | 93657 |
34 | As often as other peers in Clinical Cardiac Electrophysiology |
| Programming of multiple lead pacemaker system | Treatment | 93281 |
34 | As often as other peers in Clinical Cardiac Electrophysiology |
| Programming of single lead implantable defibrillator system | Treatment | 93282 |
26 | As often as other peers in Clinical Cardiac Electrophysiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other clinical cardiac electrophysiology specialists in Cleveland 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Eastern Virginia Medical School 6
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Eastern Virginia Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 8
Providers in OH who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Callahan?
Dr. Callahan is a clinical cardiac electrophysiology in Cleveland, OH. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Callahan's address?
Dr. Callahan is listed at 9500 Euclid Ave, Cleveland, OH 44195. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Callahan?
The number on file is (800) 223-2273. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Callahan's NPI number?
Dr. Callahan's National Provider Identifier is 1023004520. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Callahan train?
Dr. Callahan attended Eastern Virginia Medical School, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Callahan been practicing?
Dr. Callahan has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Callahan perform?
According to Medicare billing data, Dr. Callahan provides treatments such as evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days and evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Callahan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Callahan. If this is you, claiming it is free.
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