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Internal Medicine

Andrew S. Hwang, MD

Works at hospitals in Boston, MA · Newton, MA · Salem, MA … · Massachusetts, New Hampshire

Summary

Andrew S. Hwang, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Boston, MA, Newton, MA and Salem, MA and other places. NPI 1144609074. 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 Andrew S. Hwang, 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
11Years since medical school (graduated 2015)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
The General Hospital CorporationGroup practice

Quick answers

Which hospitals does Andrew S. Hwang work at?
Medicare's official clinician data lists Andrew S. Hwang at 5 hospitals: Brigham and Women's Hospital, Massachusetts General Hospital, Newton-Wellesley Hospital, North Shore Medical Center - and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Andrew S. Hwang see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Andrew S. Hwang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Andrew S. Hwang accept Medicare assignment?
Yes. Medicare's clinician data says Andrew S. Hwang 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 Andrew S. Hwang offer telehealth?
Medicare's clinician data says Andrew S. Hwang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Andrew S. Hwang?
(617) 726-2000, as listed in official Medicare / NPI Registry data.
What is Andrew S. Hwang's NPI number?
1144609074. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andrew S. Hwang works

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

Group practices

Medicare enrollment lists Andrew S. Hwang 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 Boston

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

All internal medicine doctors in Boston →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144609074
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