Individual provider Active NPI

Elizabeth Polzin

  • Neonatal Nurse Practitioner
  • Saginaw, MI
National Provider Identifier
1326577743
Registry record updated Oct 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal Nurse PractitionerTaxonomy code 363LN0000X
License
4704266477 Issued in MI
Practice address
1447 N Harrison
Saginaw, MI 48602
Phone
(989) 583-4596
NPI assigned
Jun 8, 2017
Last updated
Oct 6, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 6, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal Nurse Practitioner 363LN0000X 1249532 TX
Neonatal Nurse Practitioner 363LN0000X 4704266477 MI Primary

Addresses

Primary practice location

1447 N Harrison
Saginaw, MI 48602

Mailing address

1447 N Harrison St
Saginaw, MI 48602-4727

Other practice location 1

6621 Fannin St
Houston, TX 77030-2303
Phone (832) 834-1000

Other names 1

  • Elizabeth Butterfield Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address epolzin36098@direct.covenanthealthcare.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Pediatrix Medical Group of Michigan PC Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: epolzin36098@direct.covenanthealthcare.com

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1496880000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1326577743",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1447 N HARRISON ST",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486024727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1447 N HARRISON",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "48602",
            "telephone_number": "989-583-4596"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6621 Fannin St",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770302303",
            "country_code": "US",
            "telephone_number": "832-834-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "POLZIN",
        "first_name": "ELIZABETH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-08",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "TX",
            "license": "1249532",
            "primary": false
        },
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "MI",
            "license": "4704266477",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "epolzin36098@direct.covenanthealthcare.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1447 N Harrison",
            "city": "Saginaw",
            "state": "MI",
            "country_code": "US",
            "postal_code": "48602",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ELIZABETH",
            "last_name": "BUTTERFIELD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Saginaw, MI

Sources for this page

Verify at the official NPI Registry.