Active NPI
Alexandra Hartke, DNP
- Pediatric Nurse Practitioner
- Sioux Falls, SD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Nurse Practitioner
- License
- CP003744
- Practice address
- 2601 S Ellis Rd
Sioux Falls, SD 57106-7067 - Phone
- (605) 332-2883
- NPI assigned
- Jul 25, 2025
- Last updated
- Aug 25, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sanford Medical Center | Current | Accepting new patients | |
| Sanford Medical Center | Current | 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.
-
dba Edith Sanford Breast Specialty Clinic
- Family Medicine Physician
- Sioux Falls, SD
- NPI 1093090342
-
dba Sanford Clinic Lennox
- Rural Health Clinic/Center
- Lennox, SD
- NPI 1518284264
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2025; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.