DR. LEON M PTASZEK MD PHD
NPI 1841277175
Internal Medicine - Clinical Cardiac Electrophysiology in Boston, MA

Active since December 28, 2005PECOS EnrolledAccepts Medicare Assignment
55 FRUIT STREET GRB 800, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 726-2890(617) 724-6767 Get Directions Write a Review

NPPES record last updated: May 9, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Leon M Ptaszek Md Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEON M PTASZEK MD PHD (NPI 1841277175) is an individual clinical cardiac electrophysiology provider in Boston, Massachusetts, licensed in Massachusetts (223624) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Icahn School Of Medicine At Mount Sinai (2003).

NPPES Registry Identity

NPI1841277175
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. LEON M PTASZEKCredential: MD PHD
Location Address55 FRUIT STREET GRB 800, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 724-6767
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2003
Enumeration DateDecember 28, 2005
Last NPPES UpdateMay 9, 2018
NPI 1841277175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License Licensed in MA · 223624
Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal MedicineTaxonomy 207R00000X · License 223624 (MA)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 223624 (MA)
55 FRUIT STREET GRB 800, Boston, MA 02114

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Leon M Ptaszek Md Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779752811
PECOS Enrollment IDI20110808000256
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 41

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296
This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.
861 services814 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
712 services615 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294
This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.
631 services600 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
513 services467 patients
Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298
This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.
394 services283 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
296 services273 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Martha's Vineyard Hospital Inc

Critical Access Hospitals · Oak Bluffs, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number221300
LocationOne Hospital Road, First Fl, Wing 5, PO Box 1477Oak Bluffs, MA 02557 · Dukes County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
55 FRUIT STREET GRB 800, MGH CARDIAC UNIT ASSOCIATES
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT STREET GRB 800
BOSTON, MA 02114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leon Ptaszek's NPI number?

The NPI number for Leon Ptaszek is 1841277175. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is Leon Ptaszek located?

Leon Ptaszek practices at 55 Fruit Street Grb 800 Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-2890.

What is Leon Ptaszek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Leon Ptaszek enrolled in Medicare?

Yes. Leon Ptaszek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Leon Ptaszek accept?

Health plans from Anthem Blue Cross and Blue Shield list Leon Ptaszek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Leon Ptaszek affiliated with any hospitals?

According to CMS data, Leon Ptaszek is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Martha's Vineyard Hospital Inc.

When was this NPI record last updated?

The NPPES record for Leon Ptaszek was last updated on May 9, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.