Individual provider Active NPI

Bruce Gardner Stewart, MD

  • Diagnostic Radiology Physician
  • Boston, MA
National Provider Identifier
1487645669
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
219252 Issued in MA
Practice address
55 Fruit St FND 216
Massachusetts General Hospital
Boston, MA 02114-2621
Phone
(617) 724-4255
Fax
(617) 726-3077
NPI assigned
Nov 4, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 219252 MA Primary

Addresses

Primary practice location

55 Fruit St FND 216
Massachusetts General Hospital
Boston, MA 02114-2621

Mailing address

PO Box 9142
Mass. General Physician Organization
Charlestown, MA 02129-9142
Phone (617) 724-0287

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NH2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20060628000302 MA Practitioner - Diagnostic Radiology 5890707228 Reassigns benefits to 8 organizations
I20221107002606 NH Practitioner - Diagnostic Radiology 5890707228 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Harvard Medical School, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mass General Brigham Community Physicians IncGroup PAC ID 1759273436, shared by 6 NPIs, 430 clinicians

Practice addresses (Care Compare)

1 Park Way
Haverhill, MA 01830-6278
Phone (978) 521-3210

10 Members Way
Dover, NH 03820-5933
Phone (603) 740-2250

30 Tuscan Blvd
Salem, NH 03079-3981
Phone (857) 282-8100

65 Calef Hwy
Lee, NH 03861-6703
Phone (603) 740-2250

67 Corporate Dr
Portsmouth, NH 03801-2847
Phone (603) 740-2250

789 Central Ave
Dover, NH 03820-2526
Phone (603) 740-2250

Hospital & facility affiliations

  • Wentworth-Douglass Hospital Hospital, Dover, NH, CCN 300018
  • North Shore Medical Center - Hospital, Salem, MA, CCN 220035
  • Cooley Dickinson Hospital Inc,the Hospital, Northampton, MA, CCN 220015
  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
  • Nantucket Cottage Hospital Hospital, Nantucket, MA, CCN 220177

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
219252MAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cooley Dickinson Hospital Inc CurrentSince Oct 1, 2023 Accepting new patients
General Hospital Corp Current Accepting new patients
The General Hospital Corporation CurrentSince Oct 1, 2022 Accepting new patients
Chelmsford MRI, P.C. Diagnostic Radiology CurrentSince May 1, 2014 Accepting new patients
Merrimack Radiology-Cra LLC Diagnostic Radiology CurrentSince Jan 1, 2014 Accepting new patients
Cooley Dickinson Hospital Inc CurrentSince Oct 1, 2023 Accepting new patients
Mass General Brigham Community Physicians Inc CurrentSince Sep 1, 2015 Accepting new patients
Hampshire Pathologists, Inc. Current Accepting new patients
Mass General Brigham Medical Group Western Massachusetts Inc CurrentSince Oct 3, 2023 Accepting new patients
Chelmsford MRI, P.C. Diagnostic Radiology CurrentSince May 1, 2014 Accepting new patients
Mass General Brigham Community Physicians Inc. CurrentSince Sep 1, 2015 Accepting new patients
Massachusetts General Physicians Organization Inc Diagnostic Radiology CurrentSince Oct 1, 2022 Accepting new patients
MRI Radiologists of the N Shore Inc Diagnostic Radiology Past Accepting new patients
Mass General Brigham Medical Group Western Massachusetts Inc Past Accepting new patients

Locations

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
Boston, MA 02114

55 Fruit St
#216
Boston, MA 02114
Phone (617) 724-4255

187 Billerica Rd
Chelmsford, MA 01824
Phone (978) 250-1866

102 Endicott St
Danvers, MA 01923
Phone (978) 882-6100

66 E Main St
Georgetown, MA 01833
Phone (978) 352-7780

1 Parkway
Haverhill, MA 01830
Phone (978) 521-3210

500 Merrimack St
Lawrence, MA 01843
Phone (978) 557-8800

295 Varnum Ave
Lowell, MA 01854
Phone (978) 788-7344

170 Governors Ave
Medford, MA 02155
Phone (781) 306-6000

70 East St
Methuen, MA 01844
Phone (978) 682-1906

30 Locust St
Northampton, MA 01060
Phone (413) 582-2000

81 Highland Ave
Salem, MA 01970
Phone (978) 354-4009

399 Revolution Dr
Ste 1010
Somerville, MA 02145
Phone (857) 282-2063

12 College Hwy
Southampton, MA 01073
Phone (413) 527-1105

3640 Main St
Ste 101
Springfield, MA 01107
Phone (413) 781-9000

30 Tuscan Blvd
Salem, NH 03079
Phone (857) 282-8100

Interoperability endpoints

  • Direct secure messaging: stewart.bruce.mgh@direct.partners.masshiway.net

Organizations & group practices 14

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 14

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1131062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1487645669",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS. GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST FND 216",
            "address_2": "MASSACHUSETTS GENERAL HOSPITAL",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-724-4255",
            "fax_number": "617-726-3077"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEWART",
        "first_name": "BRUCE",
        "middle_name": "GARDNER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-04",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MA",
            "license": "219252",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.