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Internal Medicine

Niamh Carroll, MD

Works at hospitals in Needham, MA · Boston, MA · Jamaica Plain, MA · Massachusetts

Summary

Niamh Carroll, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Needham, MA, Boston, MA and Jamaica Plain, MA. NPI 1023149069. 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 Niamh Carroll, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
24Years since medical school (graduated 2002)
FemaleGender (as listed)
Atrius Health IncGroup practice

Quick answers

Which hospitals does Niamh Carroll work at?
Medicare's official clinician data lists Niamh Carroll at 3 hospitals: Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center and Brigham and Women Faulkner Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Niamh Carroll see patients?
Medicare's clinician data lists 1 practice location in Dedham, MA. Call before your visit to confirm the address.
What is Niamh Carroll's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Niamh Carroll accept Medicare assignment?
Yes. Medicare's clinician data says Niamh Carroll 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 Niamh Carroll offer telehealth?
Medicare's clinician data says Niamh Carroll offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Niamh Carroll?
(781) 329-1400, as listed in official Medicare / NPI Registry data.
What is Niamh Carroll's NPI number?
1023149069. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Niamh Carroll works

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

Group practices

Medicare enrollment lists Niamh Carroll as a member of this group (CMS data updated 2026-10-02).

  • Atrius Health Inc1,222 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Dedham

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

All internal medicine doctors in Dedham →

Clinician information

CredentialMD
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1023149069
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