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

Internal Medicine

Wei Lien, MD

Works at hospitals in Boston, MA · Newton, MA · Salem, MA · Massachusetts

Summary

Wei Lien, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Boston, MA, Newton, MA and Salem, MA. NPI 1750359477. 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 Wei Lien, 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
YesOffers telehealth
25Years since medical school (graduated 2001)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
The General Hospital CorporationGroup practice

Quick answers

Which hospitals does Wei Lien work at?
Medicare's official clinician data lists Wei Lien at 4 hospitals: Brigham and Women's Hospital, Massachusetts General Hospital, Newton-Wellesley Hospital and North Shore Medical Center -. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Wei Lien see patients?
Medicare's clinician data lists 2 practice locations, including Revere, MA and Boston, MA. Call before your visit to confirm the address.
What is Wei Lien's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does Wei Lien accept Medicare assignment?
Yes. Medicare's clinician data says Wei Lien 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.
Does Wei Lien offer telehealth?
Medicare's clinician data says Wei Lien offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Wei Lien?
(781) 485-1000, as listed in official Medicare / NPI Registry data.
What is Wei Lien's NPI number?
1750359477. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Wei Lien works

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

Group practices

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

  • The General Hospital Corporation1,267 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Revere

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

All internal medicine doctors in Revere →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1750359477
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