TRUNG NGUYEN D.O
NPI 1639631492
Internal Medicine in Kingwood, TX
About Trung Nguyen D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRUNG NGUYEN D.O (NPI 1639631492) is an individual internal medicine provider in Kingwood, Texas, licensed in Texas (T4987) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Northwest, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Trung Nguyen D.o 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.
Medicare Billing Reassignments
6Medicare enrollment records show Trung Nguyen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77007
- Reassigned Medicare billing, Texas enrollment
- 8 clinicians in this Medicare group
Montgomery, TX 77316
- Reassigned Medicare billing, Texas enrollment
- 77 clinicians in this Medicare group
Round Rock, TX 78681
- Reassigned Medicare billing, Texas enrollment
- 206 clinicians in this Medicare group
San Antonio, TX 78216
- Reassigned Medicare billing, Texas enrollment
- 688 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 681 clinicians in this Medicare group
Mansfield, TX 76063
- Reassigned Medicare billing, Texas enrollment
- 994 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.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Houston Healthcare Northwest
Acute Care Hospitals · Houston, TXHca Houston Healthcare Kingwood
Acute Care Hospitals · Kingwood, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77339 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Trung Nguyen's NPI number?
The NPI number for Trung Nguyen is 1639631492. It was assigned to this individual provider in the NPPES registry on April 2, 2019.
Where is Trung Nguyen located?
Trung Nguyen practices at 22999 Us 59 N, Kingwood, TX 77339. The listed phone number is (281) 348-8000.
What is Trung Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Trung Nguyen enrolled in Medicare?
Yes. Trung Nguyen 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.
Which organizations bill Medicare for Trung Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trung Nguyen reassigns Medicare benefits to 6 organizations: Modern Medicine PLLC (Houston, TX), Hospital Docs PA (Montgomery, TX), Lonestar Pat Associates PA (Round Rock, TX), Ipc Healthcare Services Of Texas, PLLC (San Antonio, TX), Hospital Medicine Services Of Tx, PLLC (San Antonio, TX) and 1 more organization, listed in the Medicare section above. Each 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 Trung Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Trung Nguyen accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Trung 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.
Is Trung Nguyen affiliated with any hospitals?
According to CMS data, Trung Nguyen is affiliated with Hca Houston Healthcare Northwest and Hca Houston Healthcare Kingwood.
When was this NPI record last updated?
The NPPES record for Trung Nguyen was last updated on July 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Trung Nguyen, D.O · NPI 1639631492
Internal Medicine physician in Kingwood, Texas. Individual provider, active in the CMS NPPES registry since April 2, 2019.
## Identity
- **NPI:** 1639631492 (Entity type: Individual)
- **Enumerated:** April 2, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** T4987 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 22999 US 59 N, Kingwood, TX 77339
- **Phone:** (281) 348-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Modern Medicine PLLC (NPI 1255088720, Houston, TX); Hospital Docs PA (NPI 1871792309, Montgomery, TX); Lonestar Pat Associates PA (NPI 1811594203, Round Rock, TX); Ipc Healthcare Services Of Texas, PLLC (NPI 1023403011, San Antonio, TX); Hospital Medicine Services Of Tx, PLLC (NPI 1881392363, San Antonio, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1639631492) · Data from the CMS NPPES public registry.