Individual provider Active NPI

Cassandra Sara Diener

  • Behavior Technician
  • Decatur, IL
National Provider Identifier
1689595019
Registry record updated Jul 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior TechnicianTaxonomy code 106S00000X
Practice address
427 E Ash Ave
Decatur, IL 62526-6117
Phone
(574) 387-4313
NPI assigned
Jul 22, 2026
Sex
Unspecified or another gender identity
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Technician 106S00000X Primary

Addresses

Primary practice location

427 E Ash Ave
Decatur, IL 62526-6117

Mailing address

427 E Ash Ave
Decatur, IL 62526-6117
Phone (574) 387-4313

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": "1784678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1689595019",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "427 E ASH AVE",
            "city": "DECATUR",
            "state": "IL",
            "postal_code": "625266117",
            "telephone_number": "574-387-4313"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "427 E ASH AVE",
            "city": "DECATUR",
            "state": "IL",
            "postal_code": "625266117",
            "telephone_number": "574-387-4313"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIENER",
        "first_name": "CASSANDRA",
        "middle_name": "SARA",
        "sole_proprietor": "NO",
        "sex": "X",
        "enumeration_date": "2026-07-22",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Decatur, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.