Active NPI
Leif Erik Nielsen, CABI
- Behavior Technician
- Sparks, NV
National Provider Identifier
1104264696
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Technician
- Practice address
- 2435 Pyramid Way Ste B
Sparks, NV 89431-1865 - Phone
- (775) 657-8309
- NPI assigned
- Jun 6, 2013
- 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 |
|---|---|---|---|---|
| Behavior Technician | 106S00000X | Primary | ||
| Behavior Analyst | 103K00000X | CABIT042513 | NV |
Addresses
Primary practice location
2435 Pyramid Way Ste B
Sparks, NV 89431-1865
Mailing address
1566 Wildrye Dr
Reno, NV 89509-6904
Phone (775) 400-7697
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 |
|---|---|---|---|
| CABIT042513 | NV | MD | Behavioral Analyst |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Advanced Child Behavior Solutions, LLC | Past | Accepting new patients |
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.
-
- Early Intervention Provider Agency
- Reno, NV
- NPI 1659509636
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1370476800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1743120000000",
"number": "1104264696",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1566 WILDRYE DR",
"city": "RENO",
"state": "NV",
"postal_code": "895096904",
"telephone_number": "775-400-7697"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2435 PYRAMID WAY STE B",
"city": "SPARKS",
"state": "NV",
"postal_code": "894311865",
"telephone_number": "775-657-8309"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NIELSEN",
"first_name": "LEIF",
"middle_name": "ERIK",
"credential": "CABI",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-06-06",
"last_updated": "2025-03-28",
"certification_date": "2025-03-27",
"status": "A"
},
"taxonomies": [
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": null,
"license": null,
"primary": true
},
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "NV",
"license": "CABIT042513",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Sparks, NV
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 28, 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.