Individual provider Active NPI

Sage Rezner

  • Behavior Analyst
  • Irvine, CA
National Provider Identifier
1982380671
Registry record updated Jun 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
License
1-26-90488 Issued in CA
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

Updated by the provider on Jun 18, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
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

OrganizationSpecialtyStatusNew patients
Autism Spectrum Consultants PastSince Jul 2, 2023 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.

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.

Verify at the official NPI Registry.