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

Cardiovascular Disease (Cardiology)

Matthew W. Parker, MD

Works at hospitals in Milford, MA · Worcester, MA · Southbridge, MA … · Massachusetts

Summary

Matthew W. Parker, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Milford, MA, Worcester, MA and Southbridge, MA and other places. NPI 1386897817. 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 W. Parker, 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
20Years since medical school (graduated 2006)
Georgetown University School Of MedicineMedical school
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice

Quick answers

Which hospitals does Matthew W. Parker work at?
Medicare's official clinician data lists Matthew W. Parker at 5 hospitals: Milford Regional Medical Center, St Vincent Hospital, 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 W. Parker see patients?
Medicare's clinician data lists 1 practice location in Worcester, MA. Call before your visit to confirm the address.
What is Matthew W. Parker's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Matthew W. Parker accept Medicare assignment?
Yes. Medicare's clinician data says Matthew W. Parker 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 W. Parker?
(508) 334-1000, as listed in official Medicare / NPI Registry data.
What is Matthew W. Parker's NPI number?
1386897817. 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 W. Parker works

Medicare's Facility Affiliation Data lists Matthew W. Parker 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 W. Parker is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Matthew W. Parker as a member of this group (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 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 schoolGeorgetown University School Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386897817
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