Individual provider Active NPI

Alexandra Hartke, DNP

  • Pediatric Nurse Practitioner
  • Sioux Falls, SD
National Provider Identifier
1891677100
Registry record updated Aug 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
CP003744 Issued in SD
Practice address
2601 S Ellis Rd
Sioux Falls, SD 57106-7067
Phone
(605) 332-2883
NPI assigned
Jul 25, 2025
Last updated
Aug 25, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X CP003744 SD
Pediatric Nurse Practitioner 363LP0200X CP003744 SD Primary

Addresses

Primary practice location

2601 S Ellis Rd
Sioux Falls, SD 57106-7067

Mailing address

PO Box 5074
Sioux Falls, SD 57117-5074

Other practice location 1

1408 W Laquinta St
Sioux Falls, SD 57108-3301
Phone (845) 238-9856

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SD
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
I20250908003219 SD Practitioner - Nurse Practitioner 5395247332 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

PO Box
Suite 5074
Sioux Falls, SD 57117

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Sanford Medical Center CurrentSince Aug 11, 2025 Accepting new patients
Sanford Medical Center CurrentSince Aug 11, 2025 Accepting new patients
Sanford Clinic Past Accepting new patients

Locations

1305 W 18th St
Sioux Falls, SD 57105
Phone (605) 312-7300

2601 S Ellis Rd
Sioux Falls, SD 57106
Phone (605) 312-3000

4405 E 26th St
Sioux Falls, SD 57103
Phone (605) 328-9000

Organizations & group practices 3

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": "1753401600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1891677100",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2601 S ELLIS RD",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571067067",
            "telephone_number": "605-332-2883"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1408 W Laquinta St",
            "address_purpose": "LOCATION",
            "city": "Sioux Falls",
            "state": "SD",
            "postal_code": "571083301",
            "country_code": "US",
            "telephone_number": "845-238-9856",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARTKE",
        "first_name": "ALEXANDRA",
        "credential": "DNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-25",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "SD",
            "license": "CP003744",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "SD",
            "license": "CP003744",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

Verify at the official NPI Registry.