Active NPI
Emily Nicole Tollefson
- Nurse Practitioner
- Sioux Falls, SD
National Provider Identifier
1689543076
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- CP003935
- Practice address
- 6000 W 41St St Ste 100
Sioux Falls, SD 57106-3012 - Phone
- (605) 504-0400
- NPI assigned
- Nov 3, 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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | R055198 | SD | |
| Nurse Practitioner | 363L00000X | CP003935 | SD | Primary |
Addresses
Primary practice location
6000 W 41St St Ste 100
Sioux Falls, SD 57106-3012
Mailing address
6000 W 41St St Ste 100
Sioux Falls, SD 57106-3012
Phone (605) 504-0400
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
- Group practices
Practice addresses (Care Compare)
6000 W 41St St
Sioux Falls, SD 57106-3012
901 E Virgil Ave
Milbank, SD 57252-2124
Phone (605) 432-4538
Hospital & facility affiliations
- Avera McKennan Hospital & University Health Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R055198 | SD | MD | Registered Nurse |
| CP003935 | SD | MD | Nurse Practitioner |
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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Sioux Falls, SD
- NPI 1699009944
Hospital & facility affiliations 23
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Sioux Falls, SD
- NPI 1154531630
-
- General Acute Care Hospital
- Sioux Falls, SD
- NPI 1184834764
-
- Endocrinology, Diabetes & Metabolism Physician
- Sioux Falls, SD
- NPI 1396711016
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1762128000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765929600000",
"number": "1689543076",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6000 W 41ST ST STE 100",
"city": "SIOUX FALLS",
"state": "SD",
"postal_code": "571063012",
"telephone_number": "605-504-0400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6000 W 41ST ST STE 100",
"city": "SIOUX FALLS",
"state": "SD",
"postal_code": "571063012",
"telephone_number": "605-504-0400"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TOLLEFSON",
"first_name": "EMILY",
"middle_name": "NICOLE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-11-03",
"last_updated": "2025-12-17",
"certification_date": "2025-12-17",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "SD",
"license": "R055198",
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "SD",
"license": "CP003935",
"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 Dec 17, 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.