Katherine Wamback Stewart, BCBA

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

License

1-17-28577

Practice address

6949 Dew Point Way
Fontana, CA 92336-1865

Phone

(909) 317-8499

NPI assigned

Mar 30, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

Locations

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.

• Ilearn Behavioral Strategies, Inc.

  • Behavior Analyst
  • Rancho Cucamonga, CA
  • NPI 1760073118
  NPD

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

{
    "created_epoch": "1490832000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739836800000",
    "number": "1457883233",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6949 DEW POINT WAY",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "923361865",
            "telephone_number": "909-317-8499"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6949 DEW POINT WAY",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "923361865",
            "telephone_number": "909-317-8499"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2080 N Tustin Ave",
            "address_purpose": "LOCATION",
            "city": "Santa Ana",
            "state": "CA",
            "postal_code": "927057875",
            "country_code": "US",
            "telephone_number": "855-581-0100",
            "fax_number": "949-709-0311",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "311 Bingham St",
            "address_purpose": "LOCATION",
            "city": "Scottsboro",
            "state": "AL",
            "postal_code": "357682223",
            "country_code": "US",
            "telephone_number": "256-797-9920",
            "fax_number": "423-805-9889",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STEWART",
        "first_name": "KATHERINE",
        "middle_name": "WAMBACK",
        "name_prefix": "Mrs.",
        "credential": "BCBA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-03-30",
        "last_updated": "2025-02-18",
        "certification_date": "2025-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106E00000X",
            "taxonomy_group": "",
            "desc": "Assistant Behavior Analyst",
            "state": "CA",
            "license": "0-16-7454",
            "primary": false
        },
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": "1-17-28577",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Yael Steinfeld, NP
• Isaac David Stephens, MD
• McCall Stephens
• Ronald D Stephens, CRNA
• Denise Lynne Sterling, PT
• Holly Still
• Christopher Stookey, MD
• Catherine L Stotz, PHYSICIAN ASSISTANT
• Scott R. Stoughton, DO
• Jackie Stover, PHARM.D.

• Behavior Analyst in Fontana, CA
• Providers in Fontana, CA by specialty
• Behavior Analyst in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 2025; 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.