Hollis Malvard Cooksey IV

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

Practice address

2108 San Simeon CT
Antioch, CA 94509-5854

Phone

(510) 582-2100

NPI assigned

Sep 11, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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

{
    "created_epoch": "1789084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1396655189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2108 SAN SIMEON CT",
            "city": "ANTIOCH",
            "state": "CA",
            "postal_code": "945095854",
            "telephone_number": "510-582-2100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2108 SAN SIMEON CT",
            "city": "ANTIOCH",
            "state": "CA",
            "postal_code": "945095854",
            "telephone_number": "510-582-2100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COOKSEY",
        "first_name": "HOLLIS",
        "middle_name": "MALVARD",
        "name_prefix": "Mr.",
        "name_suffix": "IV",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-11",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Contra Costa Youth Service Bureau
• Contra Loma Healthcare, LLC (Lone Tree Post Acute)
• Mary Grace Anne Robes Contreras
• James Joseph Cook, RADT
• Tara Lin Cook
• Tamara Ann Cooney, LVN
• John W Copeland, MD
• Miguel Angel Coria
• Kristie Corn
• Gretel Cornell

• Addiction (Substance Use Disorder) Counselor in Antioch, CA
• Providers in Antioch, 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 Sep 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.