Individual provider Active NPI

Mary McNeill Johnson, RN

  • Critical Care Medicine Registered Nurse
  • Columbia, SC
National Provider Identifier
1679408678
Registry record updated Jun 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine Registered NurseTaxonomy code 163WC0200X
License
367451 Issued in NC
Practice address
6439 Garners Ferry Rd
Columbia, SC 29209-1638
Phone
(803) 776-4000
NPI assigned
Jun 13, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine Registered Nurse 163WC0200X 367451 NC Primary

Addresses

Primary practice location

6439 Garners Ferry Rd
Columbia, SC 29209-1638

Mailing address

3327 Stafford CT
Florence, SC 29501-7358
Phone (910) 354-0182

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": "1781308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781308800000",
    "number": "1679408678",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3327 STAFFORD CT",
            "city": "FLORENCE",
            "state": "SC",
            "postal_code": "295017358",
            "telephone_number": "910-354-0182"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6439 GARNERS FERRY RD",
            "city": "COLUMBIA",
            "state": "SC",
            "postal_code": "292091638",
            "telephone_number": "803-776-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "MARY",
        "middle_name": "MCNEILL",
        "name_prefix": "Mrs.",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-13",
        "last_updated": "2026-06-13",
        "certification_date": "2026-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "NC",
            "license": "367451",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, SC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 13, 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.