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THIEN THANH K NGUYEN MD
NPI 1013476993
Psychiatry & Neurology - Neurology in Houston, TX

Active since March 19, 2019PECOS Enrolled
1918 LA MAGNOLIA DR, HOUSTON, TX 77023(571) 382-0175 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 2, 2026, Mar 19, 2019 (2 updates tracked since 2019).

About Thien Thanh K Nguyen Md NPPES

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

THIEN THANH K NGUYEN MD (NPI 1013476993) is an individual neurology provider in Houston, Texas, licensed in Montana (MED-PHYS-LIC-160586) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2018).

NPPES Registry Identity

NPI1013476993
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameTHIEN THANH K NGUYENCredential: MD
Location Address1918 LA MAGNOLIA DRHouston, TX 77023-1191
Mailing Address1918 La Magnolia DrHouston, TX 77023-1191
Phone(571) 382-0175
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2018
Enumeration DateMarch 19, 2019
Last NPPES UpdateFebruary 2, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 2, 2026
✔ NPI 1013476993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in MT · MED-PHYS-LIC-160586
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1918 LA MAGNOLIA DR, Houston, TX 77023
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thien Thanh K Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5991278665
PECOS Enrollment IDI20260624001900
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 Thien Thanh Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cmsc, LLC
1,492 mi
General Acute Care Hospital
3010 15TH AVE S
Great Falls, MT 59405
  • Reassigned Medicare billing, Montana enrollment
  • 163 clinicians in this Medicare group
NPI 1639109978 (406) 216-8000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77023 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

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 Thien Thanh Nguyen's NPI number?

The NPI number for Thien Thanh Nguyen is 1013476993. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Thien Thanh Nguyen located?

Thien Thanh Nguyen practices at 1918 La Magnolia Dr, Houston, TX 77023. The listed phone number is (571) 382-0175.

What is Thien Thanh Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Thien Thanh Nguyen enrolled in Medicare?

Yes. Thien Thanh Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thien Thanh Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thien Thanh Nguyen reassigns Medicare benefits to Cmsc, LLC (Great Falls, MT). 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 Thien Thanh Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thien Thanh Nguyen accept?

Health plans from Blue Cross and Blue Shield of Montana list Thien Thanh Nguyen 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 Thien Thanh Nguyen was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.