Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SYMBIOS PLUS LLC
NPI 1457240707
Psychiatry & Neurology - Behavioral Neurology & Neuropsychiatry in Dallas, TX

Active since July 01, 2025
1420 W MOCKINGBIRD LN STE 455, DALLAS, TX 75247(469) 983-1300(888) 234-7101 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 29, 2026, Jul 1, 2025 (2 updates tracked since 2025).

About Symbios Plus Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SYMBIOS PLUS LLC (NPI 1457240707) is a healthcare organization registered as a behavioral neurology & neuropsychiatry in Dallas, Texas and active in the NPI registry since July 2025. The organization lists Donna Darlene Ashmore, Owner, as its authorized official.

NPPES Registry Identity

NPI1457240707
Entity TypeOrganization
Primary Taxonomy2084B0040X
Legal Business NameSYMBIOS PLUS LLC
Location Address1420 W MOCKINGBIRD LN STE 455Dallas, TX 75247-4931
Mailing Address1420 W Mockingbird Ln Ste 455Dallas, TX 75247-4931 · (469) 983-1300 · Fax (888) 234-7101
Fax(888) 234-7101
Organization SubpartNo
Authorized OfficialDonna Darlene AshmoreOwner · (469) 428-1452
Enumeration DateJuly 1, 2025
Last NPPES UpdateJuly 29, 20262 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
NPI 1457240707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

Primary SpecialtyPsychiatry & Neurology · Behavioral Neurology & NeuropsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084B0040X
Definition
Behavioral Neurology & Neuropsychiatry is a medical subspecialty involving the diagnosis and treatment of neurologically based behavioral issues.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X
Also ListedClinical NeuropsychologistTaxonomy 103G00000X
Also ListedPsychologistTaxonomy 103T00000X
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X
Also ListedPsychologist · CounselingTaxonomy 103TC1900X
Also ListedPsychologist · PsychoanalysisTaxonomy 103TP0814X
Also ListedPsychologist · Group PsychotherapyTaxonomy 103TP2701X
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X
1420 W MOCKINGBIRD LN STE 455, Dallas, TX 75247

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Symbios Plus LLC's NPI number?

The NPI number for Symbios Plus LLC is 1457240707. It was assigned to this organization in the NPPES registry on July 1, 2025.

Where is Symbios Plus LLC located?

Symbios Plus LLC is located at 1420 W Mockingbird Ln Ste 455, Dallas, TX 75247. The listed phone number is (469) 983-1300.

What is Symbios Plus LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Behavioral Neurology & Neuropsychiatry, with taxonomy code 2084B0040X.

When was this NPI record last updated?

The NPPES record for Symbios Plus LLC was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.