NPIMap

Individual provider Active NPI

Katherine Lynn Erstad, NP

  • Nurse Practitioner
  • Appleton, WI
National Provider Identifier
1497033609
Registry record updated Nov 13, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
4894-33 Issued in WI
Practice address
145 W Calumet St
Appleton, WI 54915-4934
Phone
(920) 967-4141
Fax
(833) 972-1585
NPI assigned
Jul 22, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 13, 2024

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X TEMP TX
Family Nurse Practitioner 363LF0000X 4894 WI
Nurse Practitioner 363L00000X 4894-33 WI Primary

Addresses

Primary practice location

145 W Calumet St
Appleton, WI 54915-4934

Mailing address

145 W Calumet St
Appleton, WI 54915-4934
Phone (920) 967-4141

Other names 1

  • Katherine Lynn Karbon Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120926000783 WI Practitioner - Nurse Practitioner 6002088531 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Fox Valley Surgical Associates LTDGroup PAC ID 7911971296, 35 clinicians

Practice addresses (Care Compare)

2000 E Milestone Dr
Appleton, WI 54913-6701
Phone (920) 731-8131

Hospital & facility affiliations

  • Thedacare Regional Med Ctr - Neenah Hospital, Neenah, WI, CCN 520045
  • Thedacare Regional Medical Center - Appleton Inc Hospital, Appleton, WI, CCN 520160

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4894-33WIMDNurse Practitioner
4894WIMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Fox Valley Surgical Associates LTD CurrentSince Sep 17, 2025 Accepting new patients

Locations

2000 E Milestone Dr
Appleton, WI 54913
Phone (920) 358-1729

1405 Mill St
New London, WI 54961
Phone (920) 531-2000

600 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 237-5000

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.

Hospital & facility affiliations 12

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1311292800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1731456000000",
    "number": "1497033609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "145 W CALUMET ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549154934",
            "telephone_number": "920-967-4141",
            "fax_number": "833-972-1585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "145 W CALUMET ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549154934",
            "telephone_number": "920-967-4141",
            "fax_number": "833-972-1585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ERSTAD",
        "first_name": "KATHERINE",
        "middle_name": "LYNN",
        "name_prefix": "Mrs.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-07-22",
        "last_updated": "2024-11-13",
        "certification_date": "2024-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "TEMP",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "4894",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "4894-33",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHERINE",
            "last_name": "KARBON",
            "middle_name": "LYNN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Appleton, WI

Sources for this page

Verify at the official NPI Registry.