NPIMap

Individual provider Active NPI

Steven Tze-Wei Chen, M.D., M.P.H.

  • Internal Medicine Physician
  • Boston, MA
National Provider Identifier
1740465657
Registry record updated Aug 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
244093 Issued in MA
Practice address
55 Fruit St
Boston, MA 02114-2696
Phone
(617) 726-2914
NPI assigned
Jan 9, 2008
Last updated
Aug 18, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 244093 MA
Internal Medicine Physician 207R00000X 244093 MA Primary

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2696

Mailing address

55 Fruit St
Boston, MA 02114-2696

Other practice location 1

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-4918

Other practice location 2

50 Staniford St Fl 2
Boston, MA 02114-2517
Phone (617) 726-2914

Other practice location 3

1 Hospital Rd
Oak Bluffs, MA 02557-1406
Phone (508) 693-0410

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
I20150904000693 MA Practitioner - Dermatology 6305004193 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Johns Hopkins University School of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Martha's Vineyard Hospital IncGroup PAC ID 9931166113, shared by 5 NPIs, 150 clinicians
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Practice addresses (Care Compare)

1 Hospital Rd
Oak Bluffs, MA 02557-1406
Phone 508693041079525

243 Charles St
Suite 1107
Boston, MA 02114-3002
Phone (617) 273-5699

50 Staniford St
Boston, MA 02114-2517

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision12
Removal of skin lesions226
Removal or shaving of skin growth1-10
Skin biopsy82

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
244093MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Aug 13, 2015 Accepting new patients
Martha's Vineyard Hospital, Inc. CurrentSince Aug 31, 2025 Accepting new patients
Martha's Vineyard Hospital, Inc. Internal Medicine Current Accepting new patients
General Hospital Corp Current Accepting new patients
Martha's Vineyard Hospital, Inc. Internal Medicine CurrentSince Aug 31, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc Dermatology CurrentSince Aug 13, 2015 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Dermatology Past Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Internal Medicine Past Accepting new patients

Locations

50 Staniford St
Boston, MA 02114
Phone (617) 723-2015

55 Fruit St
Boston, MA 02114

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

75 Francis St
Boston, MA 02115

1 Hospital Rd
Oak Bluffs, MA 02557
Phone (508) 684-4500

Interoperability endpoints

  • Direct secure messaging: chen.steven.mgh@direct.partners.masshiway.net

Organizations & group practices 8

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

Hospital & facility affiliations 3

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": "1199836800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1740465657",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696",
            "telephone_number": "617-726-2914"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-4918",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "50 Staniford St Fl 2",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142517",
            "country_code": "US",
            "telephone_number": "617-726-2914",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Hospital Rd",
            "address_purpose": "LOCATION",
            "city": "Oak Bluffs",
            "state": "MA",
            "postal_code": "025571406",
            "country_code": "US",
            "telephone_number": "508-693-0410",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "STEVEN",
        "middle_name": "TZE-WEI",
        "name_prefix": "Dr.",
        "credential": "M.D., M.P.H.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-01-09",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "244093",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "244093",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.