NPIMap

Organization Active NPI

Symbios Plus LLC

  • Behavioral Neurology & Neuropsychiatry Physician
  • Dallas, TX
National Provider Identifier
1457240707
Registry record updated Jul 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavioral Neurology & Neuropsychiatry PhysicianTaxonomy code 2084B0040X
Legal business name
SYMBIOS PLUS LLC
Practice address
1420 W Mockingbird LN Ste 455
Dallas, TX 75247-4931
Phone
(469) 983-1300
Fax
(888) 234-7101
NPI assigned
Jul 1, 2025
Last updated
Jul 29, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2026

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

Authorized official

Name
Donna Darlene Ashmore
Title
Owner
Phone
(469) 428-1452

Specialties & licenses 11

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X NU
Professional Counselor 101YP2500X NU
Clinical Neuropsychologist 103G00000X NU
Psychologist 103T00000X NU
Clinical Psychologist 103TC0700X NU
Counseling Psychologist 103TC1900X NU
Psychoanalysis Psychologist 103TP0814X NU
Group Psychotherapy Psychologist 103TP2701X NU
Clinical Social Worker 1041C0700X NU
Psychiatry Physician 2084P0800X NU
Behavioral Neurology & Neuropsychiatry Physician 2084B0040X NU Primary

Addresses

Primary practice location

1420 W Mockingbird LN Ste 455
Dallas, TX 75247-4931

Mailing address

1420 W Mockingbird LN Ste 455
Dallas, TX 75247-4931
Phone (469) 983-1300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260122000717 TX Part B Supplier - Clinic/Group Practice 1850878711 Receives reassigned benefits from 7 practitioners
Practice locations: Dallas, TX

National Provider Directory

National Provider Directory

Locations

1420 W Mockingbird Ln
Ste 455
Dallas, TX 75247
Phone (469) 483-1300

Practitioners & affiliated clinicians

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1751328000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785283200000",
    "number": "1457240707",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1420 W MOCKINGBIRD LN STE 455",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752474931",
            "telephone_number": "469-983-1300",
            "fax_number": "888-234-7101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1420 W MOCKINGBIRD LN STE 455",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752474931",
            "telephone_number": "469-983-1300",
            "fax_number": "888-234-7101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SYMBIOS PLUS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-07-01",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A",
        "authorized_official_last_name": "ASHMORE",
        "authorized_official_first_name": "DONNA",
        "authorized_official_middle_name": "DARLENE",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "469-428-1452"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103TC1900X",
            "taxonomy_group": "",
            "desc": "Psychologist, Counseling",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103TP0814X",
            "taxonomy_group": "",
            "desc": "Psychologist, Psychoanalysis",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "103TP2701X",
            "taxonomy_group": "",
            "desc": "Psychologist, Group Psychotherapy",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084B0040X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Behavioral Neurology & Neuropsychiatry",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.