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Edit this profileAt a glance
- 55 Fruit Street Grb 800, Massachusetts General Hospital, Boston, MA 02114
About Dr. Ptaszek
Based in Boston, MA, Leon M. Ptaszek, MD PHD is listed in the NPI registry under clinical cardiac electrophysiology. Leon graduated from Icahn School of Medicine at Mount Sinai in 2003. Leon is also listed as specializing in internal medicine and cardiovascular disease. Medicare claims data shows Leon provided 4,925 services to 4,490 patients. The services billed most often include evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days. NPI 1841277175 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
- (617) 726-2890
- Email not available
Practice Locations
55 FRUIT STREET GRB 800 MASSACHUSETTS GENERAL HOSPITAL
Boston, MA 02114
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
4,925 services · 4,490 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
36 | More often than most peers in Clinical Cardiac Electrophysiology |
| Insertion of heart rhythm monitor under skin | Procedure | 33285 |
35 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
861 | More often than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
712 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
631 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
394 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
230 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
230 | More often than most peers in Clinical Cardiac Electrophysiology |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
200 | More 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 |
66 | More often than most 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 4
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 Boston 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Icahn School of Medicine at Mount Sinai 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of pacemaker and upper and lower heart chamber electrode 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Ptaszek specialize in?
Dr. Ptaszek is a clinical cardiac electrophysiology in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Ptaszek located?
Dr. Ptaszek is listed at 55 Fruit Street Grb 800 Massachusetts General Hospital, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ptaszek's phone number?
The number on file is (617) 726-2890. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Ptaszek?
Dr. Ptaszek's National Provider Identifier is 1841277175. 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. Ptaszek go to medical school?
Dr. Ptaszek attended Icahn School of Medicine at Mount Sinai, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ptaszek have?
Dr. Ptaszek has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ptaszek do most often?
According to Medicare billing data, Dr. Ptaszek performs procedures including insertion of pacemaker and upper and lower heart chamber electrode and insertion of heart rhythm monitor under skin; provides treatments such as evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ptaszek's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ptaszek. If this is you, claiming it is free.
Guide.md
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