Active NPI
Arnold Leroy Caswell, CRNA
- Certified Registered Nurse Anesthetist
- Spirit Lake, IA
National Provider Identifier
1225027410
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- D-040679
- Practice address
- 2601 Francis Sites Dr
Spirit Lake, IA 51360-1882 - Phone
- (712) 336-2912
- NPI assigned
- Oct 19, 2005
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | R 060813-0 | MN | |
| Certified Registered Nurse Anesthetist | 367500000X | D-040679 | IA | Primary |
Addresses
Primary practice location
2601 Francis Sites Dr
Spirit Lake, IA 51360-1882
Mailing address
2601 Francis Sites Dr
Spirit Lake, IA 51360-1882
Phone (712) 336-2912
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)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 40679 | IA | MD | Pulmonary Disease Physician |
| D-040679 | IA | MD | Certified Registered Nurse Anesthetist |
| R 060813-0 | MN | MD | Certified Registered Nurse Anesthetist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1129680000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1225027410",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2601 FRANCIS SITES DR",
"city": "SPIRIT LAKE",
"state": "IA",
"postal_code": "513601882",
"telephone_number": "712-336-2912"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2601 FRANCIS SITES DR",
"city": "SPIRIT LAKE",
"state": "IA",
"postal_code": "513601882",
"telephone_number": "712-336-2912"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CASWELL",
"first_name": "ARNOLD",
"middle_name": "LEROY",
"name_prefix": "Mr.",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-19",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "MN",
"license": "R 060813-0",
"primary": false
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "IA",
"license": "D-040679",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Spirit Lake, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.