Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pathology

John W. Hanna

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

Summary

John W. Hanna (Pathology) is listed by Medicare at 3 hospitals in Jamaica Plain, MA and Boston, MA. NPI 1073755625. 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 John W. Hanna, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Harvard Medical SchoolMedical school
MaleGender (as listed)
Brigham and Womens Physicians Organization IncGroup practice

Quick answers

Which hospitals does John W. Hanna work at?
Medicare's official clinician data lists John W. Hanna at 3 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital and Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John W. Hanna see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is John W. Hanna's specialty?
Medicare lists Pathology as the primary specialty.
Does John W. Hanna accept Medicare assignment?
Yes. Medicare's clinician data says John W. Hanna 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 John W. Hanna?
(617) 732-5500, as listed in official Medicare / NPI Registry data.
What is John W. Hanna's NPI number?
1073755625. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John W. Hanna works

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

Group practices

Medicare enrollment lists John W. Hanna 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 Pathology doctors in Massachusetts →

Other pathologists in Boston

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

All pathologists in Boston →

Clinician information

Medical schoolHarvard Medical School
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073755625
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