Active NPI
Sage Rezner
- Behavior Analyst
- Irvine, CA
National Provider Identifier
1982380671
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- License
- 1-26-90488
- Practice address
- 17752 Sky Park Cir Ste 140
Irvine, CA 92614-4469 - Phone
- (949) 474-5577
- NPI assigned
- Jun 26, 2023
- 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 Analyst | 103K00000X | 1-26-90488 | CA | Primary |
Addresses
Primary practice location
17752 Sky Park Cir Ste 140
Irvine, CA 92614-4469
Mailing address
21306 Beach Blvd # V203
Huntington Beach, CA 92648-5732
Phone (714) 833-3633
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Other URL | bsanchez@ascaba.com | Direct |
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Autism Spectrum Consultants | 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.
-
- Developmentally Disabled Services Day Training Agency
- Irvine, CA
- NPI 1306167994
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1687737600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781740800000",
"number": "1982380671",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "21306 BEACH BLVD # V203",
"city": "HUNTINGTON BEACH",
"state": "CA",
"postal_code": "926485732",
"telephone_number": "714-833-3633"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "17752 SKY PARK CIR STE 140",
"city": "IRVINE",
"state": "CA",
"postal_code": "926144469",
"telephone_number": "949-474-5577"
}
],
"practiceLocations": [],
"basic": {
"last_name": "REZNER",
"first_name": "SAGE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-06-26",
"last_updated": "2026-06-18",
"certification_date": "2026-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "CA",
"license": "1-26-90488",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "OTHERS",
"endpointTypeDescription": "Other URL",
"endpoint": "bsanchez@ascaba.com",
"affiliation": "N",
"endpointDescription": "Office email",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "2222 Martin Ste 170",
"city": "Irvine",
"state": "CA",
"country_code": "US",
"postal_code": "926121450",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Irvine, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.