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Emergency Medicine

Mark A. Toyer, MD

Works at hospitals in South Weymouth, MA · Massachusetts

Summary

Mark A. Toyer, MD (Emergency Medicine) is listed by Medicare at 1 hospital in South Weymouth, MA. NPI 1730322132. 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 Mark A. Toyer, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
Coastal Medical AssociatesGroup practice

Quick answers

Which hospitals does Mark A. Toyer work at?
Medicare's official clinician data lists Mark A. Toyer at 1 hospital: South Shore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Toyer see patients?
Medicare's clinician data lists 1 practice location in Weymouth, MA. Call before your visit to confirm the address.
What is Mark A. Toyer's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Mark A. Toyer accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Toyer 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 Mark A. Toyer?
(781) 792-4136, as listed in official Medicare / NPI Registry data.
What is Mark A. Toyer's NPI number?
1730322132. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark A. Toyer works

Medicare's Facility Affiliation Data lists Mark A. Toyer 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 Mark A. Toyer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark A. Toyer as a member of this group (CMS data updated 2026-10-02).

  • Coastal Medical Associates443 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Weymouth

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

All emergency medicine doctors in Weymouth →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730322132
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