Individual provider Active NPI

Julianne O'Leary, RN

  • Registered Nurse
  • Natick, MA
National Provider Identifier
1477418036
Registry record updated Dec 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
RN2266245 Issued in MA
Practice address
9 Grandview St
Natick, MA 01760-5425
Phone
(508) 397-5454
NPI assigned
Dec 17, 2025
Last updated
Dec 17, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN2266245 MA Primary

Addresses

Primary practice location

9 Grandview St
Natick, MA 01760-5425

Mailing address

9 Grandview St
Natick, MA 01760-5425
Phone (508) 397-5454

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
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
RN2266245MAMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1765929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1477418036",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9 GRANDVIEW ST",
            "city": "NATICK",
            "state": "MA",
            "postal_code": "017605425",
            "telephone_number": "508-397-5454"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9 GRANDVIEW ST",
            "city": "NATICK",
            "state": "MA",
            "postal_code": "017605425",
            "telephone_number": "508-397-5454"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'LEARY",
        "first_name": "JULIANNE",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-12-17",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MA",
            "license": "RN2266245",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Natick, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 17, 2025; 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.