MICHAEL J MAZZINI M.D.
NPI 1073551354
Internal Medicine - Clinical Cardiac Electrophysiology in Boston, MA

Active since June 02, 2006PECOS EnrolledAccepts Medicare Assignment
732 HARRISON AVE, PRESTON, 3RD FLOOR, BOSTON, MA 02118(617) 638-7490(617) 414-8742 Get Directions Write a Review

NPPES record last updated: January 24, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 24, 2020, Jul 19, 2018 (2 updates tracked since 2018).

About Michael J Mazzini M.d. NPPES

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

MICHAEL J MAZZINI M.D. (NPI 1073551354) is an individual clinical cardiac electrophysiology provider in Boston, Massachusetts, licensed in Massachusetts (223341) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Dover.

NPPES Registry Identity

NPI1073551354
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameMICHAEL J MAZZINICredential: M.D.
Location Address732 HARRISON AVE, PRESTON, 3RD FLOORBoston, MA 02118-2309
Mailing Address3 Woodland Rd, Ste 421Stoneham, MA 02180-1714 · (617) 414-5405
Fax(617) 414-8742
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2002
Enumeration DateJune 2, 2006
Last NPPES UpdateJanuary 24, 20202 updates tracked since enumeration
NPI 1073551354 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
Licenses Licensed in MA · 223341 Licensed in NH · 20159
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 223341 (MA)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 223341 (MA)
732 HARRISON AVE, Boston, MA 02118

Secondary Practice Location 1

Location 119 Old Rollinsford Rd Bldg BDover, NH 03820-2807 · Phone (603) 516-4265

Other Identifiers 2

Medicaid3119927NH
Medicaid110086025AMA

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

Michael J Mazzini M.d. 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 ID2860585239
PECOS Enrollment IDI20070831000077, I20200213002324
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 28

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, 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.
739 services346 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.
532 services356 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.
369 services63 patients
Programming of dual lead pacemaker system 93280
Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.
288 services207 patients
Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295
This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.
180 services109 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.
150 services116 patients

Hospital Affiliations CMS Care Compare 5

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

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

Frisbie Memorial Hospital

Acute Care Hospitals · Rochester, NH
2/5 CMS rating
OwnershipProprietary
CMS Certification Number300014
Location11 Whitehall RoadRochester, NH 03867 · Strafford County
Emergency services

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300018
Location789 Central AveDover, NH 03820 · Strafford County
Emergency services Birthing friendly

Portsmouth Regional Hospital

Acute Care Hospitals · Portsmouth, NH
3/5 CMS rating
OwnershipProprietary
CMS Certification Number300029
Location333 Borthwick AvePortsmouth, NH 03801 · Rockingham County
Emergency services Birthing friendly

Huggins Hospital

Critical Access Hospitals · Wolfeboro, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301312
Location240 South Main StreetWolfeboro, NH 03894 · Carroll County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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 20

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
732 HARRISON AVE
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, 4TH FLOOR
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, PRESTON, 3RD FLOOR
BOSTON, MA 02118
Nurse Practitioner (Family)
732 HARRISON AVE, PRESTON, 2ND FLOOR
BOSTON, MA 02118
Internal Medicine (Interventional Cardiology)
732 HARRISON AVE, PRESTON 3RD FLOOR
BOSTON, MA 02118
Student in an Organized Health Care Education/Training Program
732 HARRISON AVE
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, PRESTON BUILDING FL 3
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, 3RD FLOOR
BOSTON, MA 02118

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 Michael Mazzini's NPI number?

The NPI number for Michael Mazzini is 1073551354. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Michael Mazzini located?

Michael Mazzini practices at 732 Harrison Ave Preston, 3rd Floor, Boston, MA 02118. The listed phone number is (617) 638-7490.

What is Michael Mazzini's specialty?

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

Is Michael Mazzini enrolled in Medicare?

Yes. Michael Mazzini 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 Michael Mazzini accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Michael Mazzini 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 Michael Mazzini affiliated with any hospitals?

According to CMS data, Michael Mazzini is affiliated with Massachusetts General Hospital, Frisbie Memorial Hospital, Wentworth-Douglass Hospital, Portsmouth Regional Hospital and Huggins Hospital.

When was this NPI record last updated?

The NPPES record for Michael Mazzini was last updated on January 24, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.