Individual provider Active NPI

Sarah Berens, APNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Oshkosh, WI
National Provider Identifier
1740139062
Registry record updated Jan 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
17936-33 Issued in WI
Practice address
4100 Treffert Drive
Oshkosh, WI 54901
Phone
(920) 235-4910
NPI assigned
Jan 28, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 17936-33 WI Primary

Addresses

Primary practice location

4100 Treffert Drive
Oshkosh, WI 54901

Mailing address

PO Box 9
Winnebago, WI 54985-0009

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

State licenses

LicenseStateTypeSpecialty
17936-33WIMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Winnebag Mental Health Institute PastSince Jul 22, 2025 Accepting new patients

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1769558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1740139062",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9",
            "city": "WINNEBAGO",
            "state": "WI",
            "postal_code": "549850009"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 TREFFERT DRIVE",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "54901",
            "telephone_number": "920-235-4910"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BERENS",
        "first_name": "SARAH",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-01-28",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WI",
            "license": "17936-33",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oshkosh, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 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.