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

Hematology/Oncology

Eddy J. Chen, MD

Works at hospitals in W Concord, MA · Boston, MA · Massachusetts

Summary

Eddy J. Chen, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in W Concord, MA and Boston, MA. NPI 1730376898. 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 Eddy J. Chen, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
University Of Southern California Keck School Of MedicineMedical school
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Which hospitals does Eddy J. Chen work at?
Medicare's official clinician data lists Eddy J. Chen at 2 hospitals: Emerson Hospital - and Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Eddy J. Chen see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Eddy J. Chen's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Eddy J. Chen accept Medicare assignment?
Yes. Medicare's clinician data says Eddy J. Chen 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 Eddy J. Chen offer telehealth?
Medicare's clinician data says Eddy J. Chen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Eddy J. Chen?
(617) 724-0287, as listed in official Medicare / NPI Registry data.
What is Eddy J. Chen's NPI number?
1730376898. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Eddy J. Chen works

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

Group practices

Medicare enrollment lists Eddy J. Chen as a member of this group (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Massachusetts →

Other hematologist-oncologists in Boston

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

All hematologist-oncologists in Boston →

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1730376898
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