DR. THOMAS CHARLTON DIAZ DO
NPI 1265068118
Family Medicine in Trophy Club, TX

Active since March 22, 2020PECOS EnrolledAccepts Medicare Assignment
945 TROPHY CLUB DR, TROPHY CLUB, TX 76262(817) 430-9111(817) 430-8911 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 23, 2026, Oct 9, 2025, Dec 14, 2023 and 2 more (5 updates tracked since 2020).

About Dr. Thomas Charlton Diaz Do NPPES

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

DR. THOMAS CHARLTON DIAZ DO (NPI 1265068118) is an individual family medicine provider in Trophy Club, Texas, licensed in Texas (T4345) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of William Carey University College Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1265068118
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. THOMAS CHARLTON DIAZCredential: DO
Location Address945 TROPHY CLUB DRTrophy Club, TX 76262-5580
Mailing Address945 Trophy Club DrTrophy Club, TX 76262-5580 · (817) 336-2100
Fax(817) 430-8911
Sole ProprietorYes
Medical School CMSWilliam Carey University College Of Osteopathic MedicineGraduated 2020
Enumeration DateMarch 22, 2020
Last NPPES UpdateMarch 23, 20265 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
NPI 1265068118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in TX · T4345
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
945 TROPHY CLUB DR, Trophy Club, TX 76262

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Charlton Diaz Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678996881
PECOS Enrollment IDI20230612003191
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
48 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
38 services15 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
29 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76262 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

Physician Assistant
945 TROPHY CLUB DR
TROPHY CLUB, TX 76262
Family Medicine
945 TROPHY CLUB DR
TROPHY CLUB, TX 76262

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 Thomas Diaz's NPI number?

The NPI number for Thomas Diaz is 1265068118. It was assigned to this individual provider in the NPPES registry on March 22, 2020.

Where is Thomas Diaz located?

Thomas Diaz practices at 945 Trophy Club Dr, Trophy Club, TX 76262. The listed phone number is (817) 430-9111.

What is Thomas Diaz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Thomas Diaz enrolled in Medicare?

Yes. Thomas Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas Diaz 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 1 other insurer list Thomas Diaz 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 Thomas Diaz was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.