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

Internal Medicine

Gianni Bono, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Gianni Bono, MD (Internal Medicine) is listed by Medicare at 1 hospital in Boston, MA. NPI 1538510995. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gianni Bono, 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
May acceptAccepts Medicare assignment
10Years since medical school (graduated 2016)
MaleGender (as listed)

Quick answers

Which hospitals does Gianni Bono work at?
Medicare's official clinician data lists Gianni Bono at 1 hospital: Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gianni Bono see patients?
Medicare's clinician data lists 1 practice location in Charlestown, MA. Call before your visit to confirm the address.
What is Gianni Bono's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Gianni Bono accept Medicare assignment?
Medicare's clinician data says Gianni Bono may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Gianni Bono's NPI number?
1538510995. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gianni Bono works

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

  • 62 13rh StCharlestown, MA 02129

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Charlestown

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

All internal medicine doctors in Charlestown →

Clinician information

CredentialMD
Graduation year2016
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1538510995
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