Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Matthew McGuiness, MD

Works at hospitals in Marlborough, MA · Boston, MA · Southbridge, MA … · Massachusetts

Summary

Matthew McGuiness, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Marlborough, MA, Boston, MA and Southbridge, MA and other places. NPI 1619134541. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew McGuiness, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
University Of Massachusetts Medical SchoolMedical school
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice (+1 more)

Quick answers

Which hospitals does Matthew McGuiness work at?
Medicare's official clinician data lists Matthew McGuiness at 5 hospitals: Marlborough Hospital, Tufts Medical Center, UMass Memorial Health - Harrington Hospital, UMass Memorial Healthalliance Hospitals and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew McGuiness see patients?
Medicare's clinician data lists 2 practice locations, including Worcester, MA and Boston, MA. Call before your visit to confirm the address.
What is Matthew McGuiness's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Matthew McGuiness accept Medicare assignment?
Yes. Medicare's clinician data says Matthew McGuiness accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Matthew McGuiness?
(508) 334-1000, as listed in official Medicare / NPI Registry data.
What is Matthew McGuiness's NPI number?
1619134541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew McGuiness works

Medicare's Facility Affiliation Data lists Matthew McGuiness at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Matthew McGuiness is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Matthew McGuiness as a member of these groups (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group
  • Cardiovascular Center at Tufts Medical Center Inc97 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →

Other cardiologists in Worcester

Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.

All cardiologists in Worcester →

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619134541
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians