Active NPI
Doreen M Loeffelholz, LISW
- Social Worker
- Carroll, IA
National Provider Identifier
1902871114
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 01048
- Practice address
- 409 1/2 West 7TH St
Carroll, IA 51401 - Phone
- (712) 792-9597
- Fax
- (712) 792-6146
- NPI assigned
- Feb 21, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | 01048 | IA | Primary |
Addresses
Primary practice location
409 1/2 West 7TH St
Carroll, IA 51401
Mailing address
1601 Military Rd
Sioux City, IA 51103-1715
Phone (712) 252-4547
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 22536 | Other | WELLMARK |
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1140480000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1902871114",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1601 MILITARY RD",
"city": "SIOUX CITY",
"state": "IA",
"postal_code": "511031715",
"telephone_number": "712-252-4547",
"fax_number": "712-252-3785"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "409 1/2 WEST 7TH ST",
"city": "CARROLL",
"state": "IA",
"postal_code": "51401",
"telephone_number": "712-792-9597",
"fax_number": "712-792-6146"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LOEFFELHOLZ",
"first_name": "DOREEN",
"middle_name": "M",
"credential": "LISW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-02-21",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "IA",
"license": "01048",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "WELLMARK",
"identifier": "22536",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Carroll, 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.