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

Internal Medicine

Juwen Lin, MD

Works at hospitals in Methuen, MA · Lawrence, MA · Salem, MA … · Massachusetts

Summary

Juwen Lin, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Methuen, MA, Lawrence, MA and Salem, MA and other places. NPI 1811969249. 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 Juwen 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
27Years since medical school (graduated 1999)
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice (+3 more)

Quick answers

Which hospitals does Juwen Lin work at?
Medicare's official clinician data lists Juwen Lin at 5 hospitals: Holy Family Hospital, Merrimack Health Lawrence Hospital, North Shore Medical Center -, Northeast Hospital Corporation and UMass Memorial Healthalliance Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Juwen Lin see patients?
Medicare's clinician data lists 4 practice locations, including Lawrence, MA, South Hamilton, MA and Leominster, MA. Call before your visit to confirm the address.
What is Juwen Lin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Juwen Lin accept Medicare assignment?
Yes. Medicare's clinician data says Juwen 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 Juwen Lin?
(978) 468-7381, as listed in official Medicare / NPI Registry data.
What is Juwen Lin's NPI number?
1811969249. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Juwen Lin works

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

Group practices

Medicare enrollment lists Juwen Lin as a member of these groups (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group
  • Beth Israel Lahey Health Primary Care, Inc353 clinicians in the group
  • Community Medical Associates, Inc.157 clinicians in the group
  • Lawrence General Hospital123 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Lawrence

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

All internal medicine doctors in Lawrence →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811969249
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