Individual provider Active NPI

Gretchen Veronica Thompson, MED, BCBA, LBA

  • Behavior Analyst
  • Litchfield Park, AZ
National Provider Identifier
1225702558
Registry record updated Sep 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
License
1-21-50890 Issued in AZ
Practice address
5220 N Dysart Rd BLDG C
Litchfield Park, AZ 85340-3045
Phone
(623) 244-9179
Fax
(317) 520-8200
NPI assigned
Aug 2, 2021
Last updated
Sep 18, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 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 1-21-50890 AZ Primary

Addresses

Primary practice location

5220 N Dysart Rd BLDG C
Litchfield Park, AZ 85340-3045

Mailing address

PO Box 737441
Chicago, IL 60673-7441
Phone (855) 324-0885

Other identifiers 1

IdentifierTypeStateIssuer
1-21-50890OtherBCBA CERTIFICATE

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
Hopebridge LLC Behavior Analyst 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1627862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789689600000",
    "number": "1225702558",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 737441",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606737441",
            "telephone_number": "855-324-0885",
            "fax_number": "317-520-8200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5220 N DYSART RD BLDG C",
            "city": "LITCHFIELD PARK",
            "state": "AZ",
            "postal_code": "853403045",
            "telephone_number": "623-244-9179",
            "fax_number": "317-520-8200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMPSON",
        "first_name": "GRETCHEN",
        "middle_name": "VERONICA",
        "credential": "MED, BCBA, LBA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-08-02",
        "last_updated": "2026-09-18",
        "certification_date": "2026-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "AZ",
            "license": "1-21-50890",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBA CERTIFICATE",
            "identifier": "1-21-50890",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Litchfield Park, AZ

Sources for this page

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