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Edit this profileAt a glance
- 6569 N Charles St, Suite 600, Towson, MD 21204
About Dr. Guarnieri
Thomas Guarnieri, M.D. is a healthcare provider in Towson, MD specializing in clinical cardiac electrophysiology. Thomas is also listed as specializing in cardiovascular disease. Medicare claims data shows Thomas provided 1,157 services to 983 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function. This provider record is associated with NPI 1275536591.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (410) 602-9262
- Email not available
Practice Locations
6569 N CHARLES ST SUITE 600
Towson, MD 21204
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
- Atrial Tachycardia
- Premature atrial contractions
Conduction disorders
- Bundle Branch Block
- Junctional Rhythm
- Tachy-Brady Syndrome
- Heart block
Dangerous heart rhythms
- Ventricular Fibrillation
- Cardiac Arrest
- Ventricular tachycardia
Device issues
- Frequent Defibrillator Shocks
- Pacemaker Syndrome
Fainting & reflex disorders
- Carotid Sinus Hypersensitivity
Genetic heart conditions
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Arrhythmogenic Right Ventricular Dysplasia
- 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)
Most searched conditions
Autonomic disorders
Device complications
Procedures & services
Advanced therapies
- Stereotactic Cardiac Radioablation (STAR)
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
- Cryoablation
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
- Leadless Pacemaker Placement
- Pacemaker Battery Replacement
- Pacemaker Lead Removal
- Subcutaneous Defibrillator Placement
- Implantable cardioverter-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
Medication management
- Heart Rhythm Medication Management
Minor device procedures
- Loop Recorder Removal
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Heart rhythm treatments
- AED Shock or Defibrillation
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
1,157 services · 983 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
251 | As often as other peers in Clinical Cardiac Electrophysiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
129 | More often than most peers in Clinical Cardiac Electrophysiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
94 | More often than most peers in Clinical Cardiac Electrophysiology |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
18 | Less often than most peers in Clinical Cardiac Electrophysiology |
| Ultrasound of heart, follow-up | Treatment | 93308 |
16 | Less often than most peers in Clinical Cardiac Electrophysiology |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
15 | Less often than most peers in Clinical Cardiac Electrophysiology |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
15 | Less often than most peers in Clinical Cardiac Electrophysiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
581 | More often than most peers in Clinical Cardiac Electrophysiology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
38 | 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 2
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 Towson 3
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Thomas Guarnieri?
Thomas Guarnieri is a clinical cardiac electrophysiology in Towson, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Thomas Guarnieri's address?
Thomas Guarnieri is listed at 6569 N Charles St Suite 600, Towson, MD 21204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Thomas Guarnieri?
The number on file is (410) 602-9262. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Thomas Guarnieri?
Thomas Guarnieri's National Provider Identifier is 1275536591. 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
How much experience does Thomas Guarnieri have?
Thomas Guarnieri has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Thomas Guarnieri perform?
According to Medicare billing data, Thomas Guarnieri provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Thomas Guarnieri's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas Guarnieri. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.