Active NPI
Alison Greissinger
- Behavior Technician
- Libertyville, IL
National Provider Identifier
1194674564
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Technician
- Practice address
- 854 Technology Way
Libertyville, IL 60048-5350 - Phone
- (847) 816-7200
- NPI assigned
- Jan 27, 2026
- Sex
- Unspecified or another gender identity
- 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 |
|---|---|---|---|---|
| Behavior Technician | 106S00000X | Primary |
Addresses
Primary practice location
854 Technology Way
Libertyville, IL 60048-5350
Mailing address
854 Technology Way
Libertyville, IL 60048-5350
Phone (847) 816-7200
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1769472000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769472000000",
"number": "1194674564",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "854 TECHNOLOGY WAY",
"city": "LIBERTYVILLE",
"state": "IL",
"postal_code": "600485350",
"telephone_number": "847-816-7200"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "854 TECHNOLOGY WAY",
"city": "LIBERTYVILLE",
"state": "IL",
"postal_code": "600485350",
"telephone_number": "847-816-7200"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GREISSINGER",
"first_name": "ALISON",
"sole_proprietor": "NO",
"sex": "X",
"enumeration_date": "2026-01-27",
"last_updated": "2026-01-27",
"certification_date": "2026-01-27",
"status": "A"
},
"taxonomies": [
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Libertyville, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 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.