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

Hospitalist

Joshua K. Lin, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Joshua K. Lin, MD (Hospitalist) is listed by Medicare at 1 hospital in Boston, MA. NPI 1295009686. 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 Joshua K. Lin, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Which hospitals does Joshua K. Lin work at?
Medicare's official clinician data lists Joshua K. Lin at 1 hospital: Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joshua K. Lin see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Joshua K. Lin's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Joshua K. Lin accept Medicare assignment?
Yes. Medicare's clinician data says Joshua K. Lin 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 Joshua K. Lin?
(617) 724-0287, as listed in official Medicare / NPI Registry data.
What is Joshua K. Lin's NPI number?
1295009686. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joshua K. Lin works

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

Group practices

Medicare enrollment lists Joshua K. Lin 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 Hospitalist doctors in Massachusetts →

Other hospitalists in Boston

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

All hospitalists in Boston →

Clinician information

CredentialMD
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295009686
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