Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael J Mazzini, MD

Individual provider Cardiovascular Disease Physician · NPI 1073551354

Michael J Mazzini, MD is a Cardiac Electrophysiology in Boston, Massachusetts. Graduated from University of Colorado School of Medicine, Denver in 2002, 24 years ago. Practices with Wentworth Douglass Physician Corporation, a 431-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and New Hampshire.

Years since qualifying
24
Trained at
University of Colorado School of Medicine, Denver
Licensed in
MA, NH
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

732 Harrison Ave Preston 3rd Fl
Boston, MA 02118-2309
Phone: (617) 638-7490
Fax: (617) 414-8742
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 19 Old Rollinsford Rd Bldg B, Dover, NH 03820-2807 — (603) 516-4265

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence 223341 (MA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 223341 (MA)
Clinical Cardiac Electrophysiology Physician Taxonomy 207RC0001X · Licence 20159 (NH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 223341 (MA)

Record details

NPI number1073551354
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESJanuary 24, 2020
Certification dateJanuary 24, 2020
Mailing address3 Woodland Rd, Ste 421, Stoneham, MA 02180-1714

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 2002 (24 years in practice)
Group practice Wentworth Douglass Physician Corporation — 431 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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