Individual provider Active NPI

Christina Byrd, RN

  • Licensed Practical Nurse
  • Detroit, MI
National Provider Identifier
1427564921
Registry record updated Sep 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Licensed Practical NurseTaxonomy code 164W00000X
License
4703111991 Issued in MI
Practice address
751 E Grand Blvd
Detroit, MI 48207-2529
Phone
(313) 922-3333
NPI assigned
Dec 19, 2017
Last updated
Sep 12, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 12, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 4704377448 MI
Licensed Practical Nurse 164W00000X 4703111991 MI Primary

Addresses

Primary practice location

751 E Grand Blvd
Detroit, MI 48207-2529

Mailing address

751 E Grand Blvd
Detroit, MI 48207

Other practice location 1

37490 Dequindre Rd
Sterling Heights, MI 48310-3503
Phone (586) 480-1438

Other names 1

  • Christina Mentzer Former name

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
4704377448MIMDRegistered Nurse
4703111991MIMDLicensed Practical Nurse

NPI Registry JSON

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

{
    "created_epoch": "1513641600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1427564921",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "751 E GRAND BLVD",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "48207"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "751 E GRAND BLVD",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482072529",
            "telephone_number": "313-922-3333"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "37490 Dequindre Rd",
            "address_purpose": "LOCATION",
            "city": "Sterling Heights",
            "state": "MI",
            "postal_code": "483103503",
            "country_code": "US",
            "telephone_number": "586-480-1438",
            "fax_number": "586-983-9797",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BYRD",
        "first_name": "CHRISTINA",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-12-19",
        "last_updated": "2025-09-12",
        "certification_date": "2021-09-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MI",
            "license": "4704377448",
            "primary": false
        },
        {
            "code": "164W00000X",
            "taxonomy_group": "",
            "desc": "Licensed Practical Nurse",
            "state": "MI",
            "license": "4703111991",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRISTINA",
            "last_name": "MENTZER",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Detroit, MI

Sources for this page

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