Individual provider Active NPI

Elizabeth O'Brien

  • Psychiatric/Mental Health Nurse Practitioner
  • Greenwood, IN
National Provider Identifier
1083534036
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
71018394A Issued in IN
Practice address
333 E County Line Rd
Greenwood, IN 46143-1079
Phone
(317) 743-5990
NPI assigned
Jul 20, 2026
Sex
Unspecified or another gender identity
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 71018394A IN Primary

Addresses

Primary practice location

333 E County Line Rd
Greenwood, IN 46143-1079

Mailing address

5434 N Capitol Ave
Indianapolis, IN 46208-2632

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

NPI Registry JSON

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

{
    "created_epoch": "1784505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1083534036",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5434 N CAPITOL AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462082632"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 E COUNTY LINE RD",
            "city": "GREENWOOD",
            "state": "IN",
            "postal_code": "461431079",
            "telephone_number": "317-743-5990"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "ELIZABETH",
        "sole_proprietor": "NO",
        "sex": "X",
        "enumeration_date": "2026-07-20",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "IN",
            "license": "71018394A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwood, IN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 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.