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Internal Medicine

Allison Bloom, MD

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

Summary

Allison Bloom, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Jamaica Plain, MA and Boston, MA. NPI 1558921825. 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 Allison Bloom, 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
7Years since medical school (graduated 2019)
FemaleGender (as listed)
Brigham and Womens Physicians Organization IncGroup practice

Quick answers

Which hospitals does Allison Bloom work at?
Medicare's official clinician data lists Allison Bloom at 2 hospitals: Brigham and Women Faulkner Hospital and Brigham and Women's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Allison Bloom see patients?
Medicare's clinician data lists 2 practice locations, including Jamaica Plain, MA and Boston, MA. Call before your visit to confirm the address.
What is Allison Bloom's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist and Pediatric Medicine.
Does Allison Bloom accept Medicare assignment?
Yes. Medicare's clinician data says Allison Bloom 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 Allison Bloom?
(617) 983-7000, as listed in official Medicare / NPI Registry data.
What is Allison Bloom's NPI number?
1558921825. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Allison Bloom works

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

Group practices

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

  • Brigham and Womens Physicians Organization Inc2,994 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Jamaica Plain

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

All internal medicine doctors in Jamaica Plain →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558921825
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