Defined Focus Collective, PLLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

DEFINED FOCUS COLLECTIVE, PLLC

Practice address

9041 Gavin Dr
Olive Branch, MS 38654-6462

Phone

(731) 334-1680

NPI assigned

Jul 28, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Di'Yana Fisher, PMHNP-BC

Title

Owner

Phone

(731) 334-1680

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1785196800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785196800000",
    "number": "1891617023",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9041 GAVIN DR",
            "city": "OLIVE BRANCH",
            "state": "MS",
            "postal_code": "386546462",
            "telephone_number": "731-334-1680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9041 GAVIN DR",
            "city": "OLIVE BRANCH",
            "state": "MS",
            "postal_code": "386546462",
            "telephone_number": "731-334-1680"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DEFINED FOCUS COLLECTIVE, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-28",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A",
        "authorized_official_last_name": "FISHER",
        "authorized_official_first_name": "DI'YANA",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "731-334-1680",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PMHNP-BC"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mohamed Darwish, MD
• Joshua Mark Day, DPT
• Ronni Miller Deaton, PT
• Kendra Alexis Deberry, PTA
• Diana Drumwright Dedmon, FNP
• Gordon C Dendy, P.T., M.P.T.
• Andrew McCormack Denning, DDS
• Dental Professionals of Mississippi, P.C.
• Bonnie F Dering, FNP-C
• Catherine Petzinger Deshazo, D.O.

• All providers in Olive Branch, MS
• Psychiatric/Mental Health Nurse Practitioner in Mississippi

• 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.