DIEU TRUONG PHD
NPI 1598519423
Psychologist in Plano, TX

Active since April 16, 2024PECOS Enrolled
1400 PRESTON RD STE 260, PLANO, TX 75093(143) 963-9602(214) 396-3962 Get Directions Write a Review

NPPES record last updated: June 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 4, 2025, Sep 24, 2024, Apr 16, 2024 (3 updates tracked since 2024).

About Dieu Truong Phd NPPES

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

DIEU TRUONG PHD (NPI 1598519423) is an individual psychologist in Plano, Texas, licensed in Texas (39925) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598519423
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDIEU TRUONGCredential: PHD
Location Address1400 PRESTON RD STE 260Plano, TX 75093-5183
Mailing Address1400 Preston Rd Ste 260Plano, TX 75093-5183 · (143) 963-9602 · Fax (214) 396-3962
Fax(214) 396-3962
Sole ProprietorNo
Enumeration DateApril 16, 2024
Last NPPES UpdateJune 4, 20253 updates tracked since enumeration
NPPES CertifiedJune 4, 2025
✔ NPI 1598519423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in TX · 39925
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · Intellectual and Developmental DisabilitiesTaxonomy 103TM1800X · License 39925 (TX)
1400 PRESTON RD STE 260, Plano, TX 75093

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dieu Truong Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Dieu Truong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Diagnostic Radiology
7609 PRESTON RD
Plano, TX 75024
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
1400 PRESTON RD STE 260
PLANO, TX 75093
Psychologist
1400 PRESTON RD STE 260
PLANO, TX 75093
Psychologist
1400 PRESTON RD STE 260
PLANO, TX 75093
Psychologist
1400 PRESTON RD STE 260
PLANO, TX 75093
Psychologist
1400 PRESTON RD STE 260
PLANO, TX 75093
Counselor (Professional)
1400 PRESTON RD STE 260
PLANO, TX 75093
Psychologist
1400 PRESTON RD STE 260
PLANO, TX 75093
Psychologist
1400 PRESTON RD STE 260
PLANO, TX 75093

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 Dieu Truong's NPI number?

The NPI number for Dieu Truong is 1598519423. It was assigned to this individual provider in the NPPES registry on April 16, 2024.

Where is Dieu Truong located?

Dieu Truong practices at 1400 Preston Rd Ste 260, Plano, TX 75093. The listed phone number is (143) 963-9602.

What is Dieu Truong's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Dieu Truong enrolled in Medicare?

Yes. Dieu Truong is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dieu Truong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dieu Truong reassigns Medicare benefits to University Of Texas Southwestern Medical Center At Dallas (Plano, TX). The 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 Dieu Truong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dieu Truong accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Dieu Truong 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 Dieu Truong was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.