Individual provider Active NPI

Marissa Provencher

  • Ambulatory Care Registered Nurse
  • Boston, MA
National Provider Identifier
1023966934
Registry record updated Mar 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ambulatory Care Registered NurseTaxonomy code 163WP2201X
License
RN2343674 Issued in MA
Practice address
930 Commonwealth Ave
Boston, MA 02215-1274
Phone
(617) 414-6800
Fax
(617) 414-6800
NPI assigned
Mar 17, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ambulatory Care Registered Nurse 163WP2201X RN2343674 MA Primary

Addresses

Primary practice location

930 Commonwealth Ave
Boston, MA 02215-1274

Mailing address

1 Arbroth St
Boston, MA 02122-2511
Phone (603) 401-2389

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
RN2343674MAMDAmbulatory Care Registered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1773705600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773705600000",
    "number": "1023966934",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 ARBROTH ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021222511",
            "telephone_number": "603-401-2389"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "930 COMMONWEALTH AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022151274",
            "telephone_number": "617-414-6800",
            "fax_number": "617-414-6800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PROVENCHER",
        "first_name": "MARISSA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-03-17",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP2201X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Ambulatory Care",
            "state": "MA",
            "license": "RN2343674",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.