Harrison Stewart, CATC

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

CATC 168783 Issued in CA

Practice address

2101 Courage Dr
Fairfield, CA 94533-6717

Phone

(707) 784-2080

Fax

(707) 425-4014

NPI assigned

Oct 14, 2016

Sex

Male

Sole proprietor

Yes

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

State licenses

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

{
    "created_epoch": "1476403200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1215488234",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1109",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945530110",
            "telephone_number": "925-646-9270",
            "fax_number": "925-646-9276"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2101 COURAGE DR",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945336717",
            "telephone_number": "707-784-2080",
            "fax_number": "707-425-4014"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEWART",
        "first_name": "HARRISON",
        "credential": "CATC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-10-14",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "CATC 168783",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brittany Stephens
• Joanna May Stephenson, NP
• Allise Sterling
• Courtney Sterling
• Destinee Stewart
• Natalya Stewart
• Sonya Stewart
• James E. Stich, D.D.S.
• Jessica Lynn Stillman
• Ryan Royce Stilson, D.C.

• Addiction (Substance Use Disorder) Counselor in Fairfield, CA
• Providers in Fairfield, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 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.