Active NPI
Ann S Thorson
- Critical Care Pharmacist
- Andover, SD
National Provider Identifier
1689544819
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Pharmacist
- License
- 4412
- Practice address
- 41847 138TH St
Andover, SD 57422-5412 - Phone
- (605) 216-0393
- NPI assigned
- Nov 11, 2025
- Last updated
- Nov 11, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Critical Care Pharmacist | 1835C0205X | 4412 | SD | Primary |
Addresses
Primary practice location
41847 138TH St
Andover, SD 57422-5412
Mailing address
41847 138TH St
Andover, SD 57422-5412
Phone (605) 216-0393
Other practice location 1
305 S State St
Aberdeen, SD 57401-4527
Phone (605) 622-5545
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4412 | SD | MD | Critical Care Pharmacist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1762819200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762819200000",
"number": "1689544819",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "41847 138TH ST",
"city": "ANDOVER",
"state": "SD",
"postal_code": "574225412",
"telephone_number": "605-216-0393"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "41847 138TH ST",
"city": "ANDOVER",
"state": "SD",
"postal_code": "574225412",
"telephone_number": "605-216-0393"
}
],
"practiceLocations": [
{
"address_1": "305 S State St",
"address_purpose": "LOCATION",
"city": "Aberdeen",
"state": "SD",
"postal_code": "574014527",
"country_code": "US",
"telephone_number": "605-622-5545",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "THORSON",
"first_name": "ANN",
"middle_name": "S",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-11-11",
"last_updated": "2025-11-11",
"certification_date": "2025-11-11",
"status": "A"
},
"taxonomies": [
{
"code": "1835C0205X",
"taxonomy_group": "",
"desc": "Pharmacist, Critical Care",
"state": "SD",
"license": "4412",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.