Katie Marie Halder, RN, CNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

434 Issued in MN

Practice address

500 W Grant St
Lake City, MN 55041-1143

Phone

(651) 345-3321

NPI assigned

Jun 3, 2009

Last updated

Oct 19, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MN

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

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: khalder272018@ehrdirect.mayoclinicmsg.org

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.

• Mayo Clinic Health System-Lake City

  • Multi-Specialty Clinic/Center
  • Lake City, MN
  • NPI 1164463659
  Medicare reassignment NPD
• Mayo Clinic Health System-Lake City

  • Critical Access Hospital
  • Lake City, MN
  • NPI 1538113022
  Medicare reassignment NPD
• Winona Health Services

  dba Rushford Clinic

  • Rural Health Clinic/Center
  • Rushford, MN
  • NPI 1801133400
  NPD (past)

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

{
    "created_epoch": "1243987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792368000000",
    "number": "1396971461",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 W GRANT ST",
            "city": "LAKE CITY",
            "state": "MN",
            "postal_code": "550411143",
            "telephone_number": "651-345-3321"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "109 W Jessie St",
            "address_purpose": "LOCATION",
            "city": "Rushford",
            "state": "MN",
            "postal_code": "559718837",
            "country_code": "US",
            "telephone_number": "507-864-7726",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HALDER",
        "first_name": "KATIE",
        "middle_name": "MARIE",
        "credential": "RN, CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-06-03",
        "last_updated": "2026-10-19",
        "certification_date": "2026-10-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MN",
            "license": "434",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MN",
            "license": "R156915-5",
            "primary": false
        },
        {
            "code": "163WC1500X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Community Health",
            "state": "MN",
            "license": "R 156915-5",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "khalder272018@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "500 W Grant St",
            "city": "Lake City",
            "state": "MN",
            "country_code": "US",
            "postal_code": "550411143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Randy M Foss, MD
• Lesa Ann Funke, RDH
• Kaci Steven Gilles
• Gregory Paul Goihl, D.C
• Gregory P Goihl P.a (Goihl Chiropractic)
• Amanda Marie Halls, RD
• High Street House, Inc.
• Hope Reins LLC
• HR Hearing, LLC
• Matthew Johnson, DPT

• Nurse Practitioner in Lake City, MN
• Providers in Lake City, MN by specialty
• Nurse Practitioner in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.