Individual provider Active NPI

Natalie Anne Jansen, MD

  • Emergency Medicine Physician
  • Boston, MA
National Provider Identifier
1356920318
Registry record updated Aug 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
1018365 Issued in MA
Practice address
75 Fruit St
Boston, MA 02114-2621
Phone
(617) 724-4100
NPI assigned
Apr 6, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 1018365 MA Primary

Addresses

Primary practice location

75 Fruit St
Boston, MA 02114-2621

Mailing address

330 Brookline Ave
Boston, MA 02215-5491
Phone (617) 667-7000

Other practice location 1

330 Brookline Ave
Boston, MA 02215-5491
Phone (617) 667-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20240805001085 MA Practitioner - Emergency Medicine 2365989647 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncGroup PAC ID 4486567104, shared by 12 NPIs, 1,693 clinicians

Practice addresses (Care Compare)

1 Deaconess Rd
Boston, MA 02215-5321
Phone (781) 453-3000

100 Highland St
Milton, MA 02186-3881
Phone (617) 615-4000

100 S St
Southbridge, MA 01550-4051
Phone (508) 765-9771

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Jul 1, 2024 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Emergency Medicine CurrentSince Jul 1, 2024 Accepting new patients
Bid-Milton Physician Associates Inc CurrentSince Jul 1, 2024 Accepting new patients
Bid-Milton Physician Associates Inc CurrentSince Jul 1, 2024 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 21, 2024 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Jul 1, 2024 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Aug 1, 2025 Accepting new patients

Locations

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

1 Deaconess Rd
Boston, MA 02215
Phone (617) 754-2323

910 Washington St
Dedham, MA 02026
Phone (781) 431-1333

199 Reedsdale Rd
Milton, MA 02186
Phone (617) 313-1000

100 Highland St
Milton, MA 02186
Phone (617) 615-4000

101 Page St
New Bedford, MA 02740
Phone (508) 961-5425

275 Sandwich St
Plymouth, MA 02360
Phone (508) 746-2000

100 South St
Southbridge, MA 01550
Phone (508) 764-8012

Interoperability endpoints

  • Direct secure messaging: njansen252182@direct.bilh.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 and National Provider Directory roles.

Hospital & facility affiliations 2

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": "1617667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788048000000",
    "number": "1356920318",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155491",
            "telephone_number": "617-667-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-724-4100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "330 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022155491",
            "country_code": "US",
            "telephone_number": "617-667-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JANSEN",
        "first_name": "NATALIE",
        "middle_name": "ANNE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-06",
        "last_updated": "2026-08-30",
        "certification_date": "2026-08-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "1018365",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.