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Critical Care (Intensivists)

Gerard B. Hayes, MD

Works at hospitals in Boston, MA · South Weymouth, MA · Massachusetts

Summary

Gerard B. Hayes, MD (Critical Care (Intensivists)) is listed by Medicare at 2 hospitals in Boston, MA and South Weymouth, MA. NPI 1942275169. 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 Gerard B. Hayes, 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

Critical Care (Intensivists)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
43Years since medical school (graduated 1983)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
Mass General Brigham Medical Group Suburban Massachusetts IncGroup practice (+1 more)

Quick answers

Which hospitals does Gerard B. Hayes work at?
Medicare's official clinician data lists Gerard B. Hayes at 2 hospitals: Brigham and Women's Hospital and South Shore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gerard B. Hayes see patients?
Medicare's clinician data lists 3 practice locations, including Pembroke, MA, Newton, MA and South Weymouth, MA. Call before your visit to confirm the address.
What is Gerard B. Hayes's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pulmonary Disease.
Does Gerard B. Hayes accept Medicare assignment?
Yes. Medicare's clinician data says Gerard B. Hayes 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.
Does Gerard B. Hayes offer telehealth?
Medicare's clinician data says Gerard B. Hayes offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gerard B. Hayes?
(781) 826-8065, as listed in official Medicare / NPI Registry data.
What is Gerard B. Hayes's NPI number?
1942275169. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gerard B. Hayes works

Medicare's Facility Affiliation Data lists Gerard B. Hayes 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 Gerard B. Hayes is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gerard B. Hayes as a member of these groups (CMS data updated 2026-10-02).

  • Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group
  • Harbor Medical Associates Inc127 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Massachusetts →

Other critical care doctors in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All critical care doctors in Massachusetts →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1942275169
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