Individual provider Active NPI

Ann Elizabeth Dettlaff, APNP

  • Nurse Practitioner
  • Oshkosh, WI
National Provider Identifier
1215236278
Registry record updated Apr 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
4360-033 Issued in WI
Practice address
250 W 6TH Ave
Oshkosh, WI 54902-5910
Phone
(920) 237-5000
Fax
(920) 237-5011
NPI assigned
Mar 16, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 29, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 4360-033 WI Primary
Nurse Practitioner 363L00000X 4360-33 WI

Addresses

Primary practice location

250 W 6TH Ave
Oshkosh, WI 54902-5910

Mailing address

3 Neenah Ctr
Neenah, WI 54956-3070
Phone (920) 830-5900

Other practice location 1

720 W. Association Dr.
Appleton, WI 54914
Phone (920) 731-4354 ext. 1003

Other identifiers 2

IdentifierTypeStateIssuer
100014463MedicaidWI
1215236278MedicaidWI

Other names 1

  • Ann Elizabeth Priest Former name

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address aseverson155761@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110511000437 WI Practitioner - Nurse Practitioner 2264618131 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
4360WIMDSpeech-Language Pathologist
4360-033WIMDNurse Practitioner
4360-33WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Thedacare Medical Center - Wild Rose, Inc CurrentSince Mar 9, 2011 Accepting new patients

Locations

3 Neenah Ctr
Neenah, WI 54956
Phone (920) 454-4229

601 Grove Ave
Wild Rose, WI 54984
Phone (888) 287-4488

Interoperability endpoints

  • Direct secure messaging: ann.priest.1@20410.direct.athenahealth.com

Organizations & group practices 2

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": "1300233600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1215236278",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 NEENAH CTR",
            "city": "NEENAH",
            "state": "WI",
            "postal_code": "549563070",
            "telephone_number": "920-830-5900",
            "fax_number": "920-830-5910"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 W 6TH AVE",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549025910",
            "telephone_number": "920-237-5000",
            "fax_number": "920-237-5011"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "720 W. Association Dr.",
            "address_purpose": "LOCATION",
            "city": "Appleton",
            "state": "WI",
            "postal_code": "54914",
            "country_code": "US",
            "telephone_number": "920-731-4354 x1003",
            "fax_number": "920-731-5021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DETTLAFF",
        "first_name": "ANN",
        "middle_name": "ELIZABETH",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-03-16",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "4360-033",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "4360-33",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100014463",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1215236278",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aseverson155761@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "N1750 Lily Of The Valley Dr",
            "city": "Greenville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549429044",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "N1750 Lily Of The Valley Dr",
            "city": "Greenville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549429044",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ANN",
            "last_name": "PRIEST",
            "middle_name": "ELIZABETH",
            "credential": "APNP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Oshkosh, WI

Sources for this page

Verify at the official NPI Registry.