Individual provider Active NPI

Tierney Alexander

  • Family Nurse Practitioner
  • Tulsa, OK
National Provider Identifier
1124943972
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
230995 Issued in OK
Practice address
12697 E 51St St
Tulsa, OK 74146-6236
Phone
(918) 505-3200
NPI assigned
Aug 11, 2026
Sex
Female
Sole proprietor
No

Medicare participation

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

National Provider Directory

Medicare enrollment (NPD)
No

Specialties & licenses 1

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 230995 OK Primary

Addresses

NPPES NPI Registry

Primary practice location

12697 E 51St St
Tulsa, OK 74146-6236

Mailing address

12697 E 51St St
Tulsa, OK 74146-6236
Phone (918) 505-3200

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Aug 11, 2026.

{
    "created_epoch": "1786406400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1124943972",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12697 E 51ST ST",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741466236",
            "telephone_number": "918-505-3200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12697 E 51ST ST",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741466236",
            "telephone_number": "918-505-3200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALEXANDER",
        "first_name": "TIERNEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-11",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OK",
            "license": "230995",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tulsa, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.