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Diagnostic Radiology

Grace Ma

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

Summary

Grace Ma (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Boston, MA, Newton, MA and Salem, MA and other places. NPI 1801388855. 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 Grace Ma, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
Perelman School Of Med At The University Of PennsylvaniaMedical school
FemaleGender (as listed)
Mass General Brigham Community Physicians IncGroup practice

Quick answers

Which hospitals does Grace Ma work at?
Medicare's official clinician data lists Grace Ma at 5 hospitals: Brigham and Women's Hospital, Newton-Wellesley Hospital, North Shore Medical Center -, The Cooley Dickinson Hospital Inc and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Grace Ma see patients?
Medicare's clinician data lists 3 practice locations, including Danvers, MA, Pembroke, MA and Medford, MA. Call before your visit to confirm the address.
What is Grace Ma's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Grace Ma accept Medicare assignment?
Yes. Medicare's clinician data says Grace Ma 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 Grace Ma?
(978) 354-4181, as listed in official Medicare / NPI Registry data.
What is Grace Ma's NPI number?
1801388855. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Grace Ma works

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

Group practices

Medicare enrollment lists Grace Ma as a member of this group (CMS data updated 2026-10-02).

  • Mass General Brigham Community Physicians Inc428 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Massachusetts →

Other radiologists in Danvers

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

All radiologists in Danvers →

Clinician information

Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801388855
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