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Internal Medicine

Janet M. Chang, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · Newton, MA · Massachusetts

Summary

Janet M. Chang, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Jamaica Plain, MA, Boston, MA and Newton, MA. NPI 1598705022. 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 Janet M. Chang, 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
42Years since medical school (graduated 1984)
Tufts University School Of MedicineMedical school
FemaleGender (as listed)
Mass General Brigham Medical Group Suburban Massachusetts IncGroup practice

Quick answers

Which hospitals does Janet M. Chang work at?
Medicare's official clinician data lists Janet M. Chang at 4 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital, Massachusetts General Hospital and Newton-Wellesley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Janet M. Chang see patients?
Medicare's clinician data lists 2 practice locations, including Wellesley, MA and Newton, MA. Call before your visit to confirm the address.
What is Janet M. Chang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Janet M. Chang accept Medicare assignment?
Yes. Medicare's clinician data says Janet M. Chang 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 Janet M. Chang offer telehealth?
Medicare's clinician data says Janet M. Chang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Janet M. Chang?
(617) 219-1510, as listed in official Medicare / NPI Registry data.
What is Janet M. Chang's NPI number?
1598705022. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Janet M. Chang works

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

Group practices

Medicare enrollment lists Janet M. Chang as a member of this group (CMS data updated 2026-10-02).

  • Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Wellesley

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

All internal medicine doctors in Wellesley →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1984
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1598705022
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