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Allergy/Immunology

Sara Barmettler, MD

Works at hospitals in Boston, MA · Salem, MA · Dover, NH · Massachusetts, New Hampshire

Summary

Sara Barmettler, MD (Allergy/Immunology) is listed by Medicare at 4 hospitals in Boston, MA, Salem, MA and Dover, NH. NPI 1689949935. 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 Sara Barmettler, 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

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
14Years since medical school (graduated 2012)
University Of Massachusetts Medical SchoolMedical school
FemaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Which hospitals does Sara Barmettler work at?
Medicare's official clinician data lists Sara Barmettler at 4 hospitals: Brigham and Women's Hospital, Massachusetts General Hospital, North Shore Medical Center - and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sara Barmettler see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Sara Barmettler's specialty?
Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine.
Does Sara Barmettler accept Medicare assignment?
Yes. Medicare's clinician data says Sara Barmettler 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 Sara Barmettler offer telehealth?
Medicare's clinician data says Sara Barmettler offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sara Barmettler?
(617) 724-0287, as listed in official Medicare / NPI Registry data.
What is Sara Barmettler's NPI number?
1689949935. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sara Barmettler works

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

Group practices

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

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Massachusetts →

Other allergist and immunologists in Boston

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

All allergist and immunologists in Boston →

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1689949935
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