NPIMap

Individual provider Active NPI

Stephen Hallisey

  • Emergency Medicine Physician
  • Boston, MA
National Provider Identifier
1295120251
Registry record updated Mar 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
278273 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6106
Phone
(617) 732-5500
NPI assigned
Apr 6, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 278273 MA Primary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 278273 MA

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6106

Mailing address

75 Francis St Dept of
Boston, MA 02115-6110
Phone (617) 732-5640

Other practice location 1

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-3030

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190523001215 MA Practitioner - Emergency Medicine 3476843004 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Perelman School of Med at the University of Pennsylvania, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
278273MAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Massachusetts General Physicians Organization Inc Emergency Medicine CurrentSince Jun 16, 2024 Accepting new patients
Cambridge Public Health Commission CurrentSince Oct 1, 2019 Accepting new patients
Brigham & Womens Physicians Organization Inc Emergency Medicine CurrentSince Jul 1, 2019 Accepting new patients
Cambridge Public Health Commission Current Accepting new patients
Coastal Medical Associates CurrentSince Jun 1, 2022 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
The General Hospital Corporation CurrentSince Jun 16, 2024 Accepting new patients

Locations

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

55 Fruit St
Boston, MA 02114

75 Francis St
Boston, MA 02115

375 Boylston St
Brookline, MA 02445
Phone (508) 718-4010

1493 Cambridge St
Cambridge, MA 02139
Phone (617) 665-1185

103 Garland St
Everett, MA 02149
Phone (617) 381-7150

1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000

230 Highland Ave
Somerville, MA 02143
Phone (617) 591-4350

55 Fogg Rd
Weymouth, MA 02190
Phone (781) 340-4293

Interoperability endpoints

  • Direct secure messaging: hallisey.stephen.bwh@direct.partners.masshiway.net
  • Direct secure messaging: shallisey98195@direct.challiance.masshiway.net

Organizations & group practices 7

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.

Hospital & facility affiliations 4

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": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1295120251",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST DEPT OF",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-5640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156106",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-726-3030",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HALLISEY",
        "first_name": "STEPHEN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-06",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "278273",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MA",
            "license": "278273",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.