BRIAN NGUYEN DO
NPI 1912355983
Hospitalist in Katy, TX
About Brian Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN NGUYEN DO (NPI 1912355983) is an individual hospitalist provider in Katy, Texas, licensed in Texas (R5441) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2016).
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
Brian Nguyen 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.
Medicare Billing Reassignments
4Medicare enrollment records show Brian Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 clinicians in this Medicare group
Wallis, TX 77485
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
Houston, TX 77025
- Reassigned Medicare billing, Texas enrollment
- 1,649 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Katy Hospital
Acute Care Hospitals · Katy, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77494 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 5
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 Brian Nguyen's NPI number?
The NPI number for Brian Nguyen is 1912355983. It was assigned to this individual provider in the NPPES registry on May 31, 2016.
Where is Brian Nguyen located?
Brian Nguyen practices at 23900 Katy Fwy Ste W2100, Katy, TX 77494. The listed phone number is (713) 338-5616.
What is Brian Nguyen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Brian Nguyen enrolled in Medicare?
Yes. Brian 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 Brian Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Nguyen reassigns Medicare benefits to 4 organizations: Memorial Hermann Medical Group (Fulshear, TX), Cahrmc, LLC (Wallis, TX), Kelsey-Seybold Medical Group, PLLC (Houston, TX) and Concord Medical Group Of Texas PLLC (Lubbock, TX). 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 Brian Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brian Nguyen accept?
Health plans from Oscar Insurance Company and WellPoint list Brian 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 Brian Nguyen affiliated with any hospitals?
According to CMS data, Brian Nguyen is affiliated with Memorial Hermann Katy Hospital.
When was this NPI record last updated?
The NPPES record for Brian Nguyen was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Brian Nguyen, DO · NPI 1912355983
Hospitalist physician in Katy, Texas. Individual provider, active in the CMS NPPES registry since May 31, 2016.
## Identity
- **NPI:** 1912355983 (Entity type: Individual)
- **Enumerated:** May 31, 2016
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** R5441 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 23900 KATY FWY STE W2100, Katy, TX 77494-1323
- **Phone:** (713) 338-5616
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Memorial Hermann Medical Group (NPI 1003985102, Fulshear, TX); Cahrmc, LLC (NPI 1700250123, Wallis, TX); Kelsey-Seybold Medical Group, PLLC (NPI 1013915255, Houston, TX); Concord Medical Group Of Texas PLLC (NPI 1750790762, Lubbock, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2016
## Record status
- **NPPES last updated:** September 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1912355983) · Data from the CMS NPPES public registry.