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Internal Medicine

Timothy C. Lin

Works at hospitals in Boston, MA · Massachusetts

Summary

Timothy C. Lin (Internal Medicine) is listed by Medicare at 1 hospital in Boston, MA. NPI 1669931903. 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 Timothy C. 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
University Of California, San Diego School Of MedicineMedical school
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Which hospitals does Timothy C. Lin work at?
Medicare's official clinician data lists Timothy C. Lin at 1 hospital: Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Timothy C. Lin see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Timothy C. Lin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Timothy C. Lin accept Medicare assignment?
Yes. Medicare's clinician data says Timothy C. 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 Timothy C. Lin?
(617) 724-0287, as listed in official Medicare / NPI Registry data.
What is Timothy C. Lin's NPI number?
1669931903. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Timothy C. Lin works

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

Group practices

Medicare enrollment lists Timothy C. 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 Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

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

All internal medicine doctors in Boston →

Clinician information

Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669931903
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