Individual provider Active NPI

Melissa Ellen Nixon, NP

  • Occupational Health Nurse Practitioner
  • Saint Louis, MO
National Provider Identifier
1457315392
Registry record updated Dec 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational Health Nurse PractitionerTaxonomy code 363LX0106X
License
104345 Issued in MO
Practice address
1 Jefferson Barracks Dr
Saint Louis, MO 63125-4181
Phone
(314) 652-4100
NPI assigned
Apr 17, 2006
Last updated
Dec 12, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Health Nurse Practitioner 363LX0106X 104345 MO Primary

Addresses

Primary practice location

1 Jefferson Barracks Dr
Saint Louis, MO 63125-4181

Mailing address

1 Jefferson Barracks Dr
Saint Louis, MO 63125-4181
Phone (314) 652-4100

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
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
104345MOMDOccupational Health Nurse Practitioner

NPI Registry JSON

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

{
    "created_epoch": "1145232000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1457315392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 JEFFERSON BARRACKS DR",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631254181",
            "telephone_number": "314-652-4100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 JEFFERSON BARRACKS DR",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631254181",
            "telephone_number": "314-652-4100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIXON",
        "first_name": "MELISSA",
        "middle_name": "ELLEN",
        "name_prefix": "Ms.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-17",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LX0106X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Occupational Health",
            "state": "MO",
            "license": "104345",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 12, 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.