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

Q: 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.

Q: 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.

Q: 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 3 months 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.

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: October 25, 2026.

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

On this page

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

Phone(469) 983-1300

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

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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Symbios Plus Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 7 clinicians reassign Medicare billing to Symbios Plus LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Donald Stiles, LCSW

Clinical Social Worker

NPI 1124733589

1420 W MOCKINGBIRD LN STE 105
Dallas, TX 75247

(469) 983-1300

✔ PECOS✔ Accepts MedicareSame address

Stacey Ogden, LPC

Mental Health Counselor

NPI 1033681887

1420 W MOCKINGBIRD LN STE 105
Dallas, TX 75247

(469) 983-1300

✔ PECOSSame address

Shakil Tukdi, MD

Psychiatry

NPI 1215982723

5501 INDEPENDENCE PKWY STE 302
Plano, TX 75023

(469) 661-1300

✔ PECOS✔ Accepts Medicare17 mi

Alok Kushwaha, M.D.

Internal Medicine

NPI 1922039155

809 W HARWOOD RD STE 202
Hurst, TX 76054

(817) 377-0143

✔ PECOS✔ Accepts Medicare19 mi

Souad Hawkins-Ezzaher

Nurse Practitioner

NPI 1760297162

2800 E BROAD ST STE 400
Mansfield, TX 76063

(817) 675-0828

✔ PECOS✔ Accepts Medicare22 mi

Deborah Oyegoke, NP

Nurse Practitioner

NPI 1578015491

1575 HERITAGE DR STE 200
Mckinney, TX 75069

(972) 542-8144

✔ PECOS30 mi

Olivier Djoumessi, PMHNP

Nurse Practitioner

NPI 1568085074

522 W RIVERSIDE AVE STE 5391
Spokane, WA 99201

(817) 230-3994

✔ PECOS✔ Accepts Medicare1,484 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Is Symbios Plus LLC enrolled in Medicare?

Yes. Symbios Plus LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Symbios Plus LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 5 Medicare specialties reassign their Medicare billing to Symbios Plus LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3), Clinical Social Worker (1) and Internal Medicine (1). Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Symbios Plus LLC accept?

Health plans from Blue Cross and Blue Shield of Texas list Symbios Plus LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

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 3 months 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.