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Internal Medicine

Hui Sun, MD

Works at hospitals in Boston, MA · Milford, MA · Massachusetts

Summary

Hui Sun, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Boston, MA and Milford, MA. NPI 1710032578. 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 Hui Sun, 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
36Years since medical school (graduated 1990)
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice (+1 more)

Quick answers

Which hospitals does Hui Sun work at?
Medicare's official clinician data lists Hui Sun at 2 hospitals: Brigham and Women's Hospital and Milford Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hui Sun see patients?
Medicare's clinician data lists 2 practice locations, including Milford, MA. Call before your visit to confirm the address.
What is Hui Sun's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Hui Sun accept Medicare assignment?
Yes. Medicare's clinician data says Hui Sun 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 Hui Sun?
(508) 473-1190, as listed in official Medicare / NPI Registry data.
What is Hui Sun's NPI number?
1710032578. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hui Sun works

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

Group practices

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

  • UMass Memorial Medical Group Inc2,516 clinicians in the group
  • Milford Regional Physician Group, Inc.210 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Milford

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

All internal medicine doctors in Milford →

Clinician information

CredentialMD
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710032578
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