Active NPI
Cristal Alfonso
- Behavior Technician
- Allentown, PA
National Provider Identifier
1023926557
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Technician
- Practice address
- 808 N 6TH St
Allentown, PA 18102-1610 - Phone
- (610) 867-3173
- NPI assigned
- Aug 27, 2026
- 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 |
|---|---|---|---|---|
| Behavior Technician | 106S00000X | PA | Primary |
Addresses
Primary practice location
808 N 6TH St
Allentown, PA 18102-1610
Mailing address
808 N 6TH St
Allentown, PA 18102-1610
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787788800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787788800000",
"number": "1023926557",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "808 N 6TH ST",
"city": "ALLENTOWN",
"state": "PA",
"postal_code": "181021610"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "808 N 6TH ST",
"city": "ALLENTOWN",
"state": "PA",
"postal_code": "181021610",
"telephone_number": "610-867-3173"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ALFONSO",
"first_name": "CRISTAL",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-08-27",
"last_updated": "2026-08-27",
"certification_date": "2026-08-27",
"status": "A"
},
"taxonomies": [
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": "PA",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Allentown, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.