Physician Profile
Thomas D. Callahan, MD
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
Most searched conditions
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
Abnormal heart rhythms
- Atrial Tachycardia
- Premature atrial contractions
Autonomic disorders
Conduction disorders
- Bundle Branch Block
- Heart block
- Junctional Rhythm
- Tachy-Brady Syndrome
Dangerous heart rhythms
- Cardiac Arrest
- Ventricular Fibrillation
- Ventricular tachycardia
Device complications
Device issues
- Frequent Defibrillator Shocks
- Pacemaker Syndrome
Fainting & reflex disorders
- Carotid Sinus Hypersensitivity
Genetic heart conditions
- Arrhythmogenic Right Ventricular Dysplasia
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Long QT syndrome
Heart failure and muscle
- Weak Heart Muscle
Heart muscle conditions
- Cardiac Sarcoidosis
- Hypertrophic cardiomyopathy
Heart rhythm disorders
- Inappropriate Sinus Tachycardia
- Supraventricular tachycardia
- Wolff-Parkinson-White Syndrome
Inherited rhythm disorders
- Short QT Syndrome
Structural heart conditions
- Arrhythmic Mitral Valve Prolapse
Symptoms
- Dizziness and Lightheadedness
- Fainting and syncope
- Heart palpitations
- Premature ventricular contractions
- Slow heart rate (bradycardia)
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Advanced therapies
- Stereotactic Cardiac Radioablation (STAR)
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Cryoablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
Device care
- Pacemaker Check
- Remote Device Monitoring
Device management
- Pacemaker or Defibrillator Reprogramming
Device placement
- Extravascular Defibrillator Placement (EV-ICD)
Device procedures
- Cardiac resynchronization therapy device placement
- Conduction System Pacing
- Implantable cardioverter-defibrillator placement
- Leadless Pacemaker Placement
- Pacemaker Battery Replacement
- Pacemaker Lead Removal
- Subcutaneous Defibrillator Placement
Diagnostic imaging
- Cardiac MRI for Heart Scarring
- Transesophageal echocardiogram
Diagnostic monitoring
- 24-Hour Holter Monitor
- Exercise Stress Test for Arrhythmia
Diagnostic testing
- Brugada Drug Challenge Test
- Carotid Sinus Massage
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
- LifeVest Fitting
Heart rhythm treatments
- AED Shock or Defibrillation
Medication management
- Heart Rhythm Medication Management
Minor device procedures
- Loop Recorder Removal
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
1,739 services · 1,092 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
309 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
264 |
| Programming of dual lead pacemaker system | Treatment | 93280 |
200 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
130 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
128 |
| Programming of multiple lead implantable defibrillator system | Treatment | 93284 |
90 |
| Programming of dual lead implantable defibrillator system | Treatment | 93283 |
39 |
| Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm | Treatment | 93657 |
34 |
| Programming of multiple lead pacemaker system | Treatment | 93281 |
34 |
| Programming of single lead implantable defibrillator system | Treatment | 93282 |
26 |
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.