Active NPI
David Neff, LSW
- Social Worker
- Idaho Falls, ID
National Provider Identifier
1649148370
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 7271086
- Practice address
- 2265 W Broadway St
Idaho Falls, ID 83402-2996 - Phone
- (208) 524-7400
- Fax
- (208) 524-8004
- NPI assigned
- Oct 24, 2025
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | 7271086 | ID | Primary |
Addresses
Primary practice location
2265 W Broadway St
Idaho Falls, ID 83402-2996
Mailing address
2265 W Broadway St
Idaho Falls, ID 83402-2996
Phone (208) 524-7400
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 |
|---|---|---|---|
| 7271086 | ID | MD | Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1761264000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761264000000",
"number": "1649148370",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2265 W BROADWAY ST",
"city": "IDAHO FALLS",
"state": "ID",
"postal_code": "834022996",
"telephone_number": "208-524-7400",
"fax_number": "208-524-8004"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2265 W BROADWAY ST",
"city": "IDAHO FALLS",
"state": "ID",
"postal_code": "834022996",
"telephone_number": "208-524-7400",
"fax_number": "208-524-8004"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NEFF",
"first_name": "DAVID",
"credential": "LSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-10-24",
"last_updated": "2025-10-24",
"certification_date": "2025-10-24",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "ID",
"license": "7271086",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Idaho Falls, ID
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.