Leon Ptaszek, MD PHD
NPI 1841277175 · Clinical Cardiac Electrophysiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Ptaszek, MD PHD is a Clinical Cardiac Electrophysiology Physician provider in Boston, MA (NPI 1841277175).
Provider details
- NPI number
- 1841277175
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 223624 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,172 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 861 | $25 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 712 | $15 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 631 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 513 | $138 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days93298 | 394 | $116 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 160 | 69 |
| Metoprolol Succinate | 114 | 60 |
| Rivaroxabanbrand: Xarelto | 43 | 22 |
| Sotalol Hclbrand: Sotalol | 41 | 25 |
| Amiodarone Hcl | 26 | 15 |
| Mexiletine Hcl | 21 | 12 |
| Flecainide Acetate | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$62,341 across 43 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-28
- Last updated
- 2018-05-09
Frequently asked questions
- What is Leon Ptaszek's NPI number?
- Leon Ptaszek's National Provider Identifier (NPI) is 1841277175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Ptaszek's specialty?
- Leon Ptaszek is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Leon Ptaszek located?
- Leon Ptaszek's practice location on file with NPPES is 55 Fruit Street Grb 800, Boston, MA 02114.
- What is Leon Ptaszek's phone number?
- The practice phone number listed in the NPPES registry for Leon Ptaszek is (617) 726-2890.
- Does Leon Ptaszek accept Medicare?
- Leon Ptaszek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Ptaszek's NPI active?
- Yes — Leon Ptaszek's NPI (1841277175) is active in the NPPES registry as of the last update on 2018-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.