DIEN QUANG BUI MD
NPI 1013963859
Emergency Medicine in Pearland, TX
About Dien Quang Bui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIEN QUANG BUI MD (NPI 1013963859) is an individual emergency medicine provider in Pearland, Texas, licensed in Texas (J7754) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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)
Dien Quang Bui Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Dien Bui reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77027
- Reassigned Medicare billing, Texas enrollment
- 82 clinicians in this Medicare group
Beaumont, TX 77701
- Reassigned Medicare billing, Texas enrollment
- 56 clinicians in this Medicare group
Orange, TX 77630
- Reassigned Medicare billing, Texas enrollment
- 115 clinicians in this Medicare group
Austin, TX 78750
- Reassigned Medicare billing, Texas enrollment
- 93 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77584 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PEARLAND, TX 77584
PEARLAND, TX 77584
PEARLAND, TX 77584
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 Dien Bui's NPI number?
The NPI number for Dien Bui is 1013963859. It was assigned to this individual provider in the NPPES registry on May 25, 2006.
Where is Dien Bui located?
Dien Bui practices at 2404 Smith Ranch Rd Suite 200, Pearland, TX 77584. The listed phone number is (713) 436-4333.
What is Dien Bui's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Dien Bui enrolled in Medicare?
Yes. Dien Bui is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dien Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dien Bui reassigns Medicare benefits to 5 organizations: Tk Emergency Physicians Group PLLC (Houston, TX), Beaumont Emergency Medicine Associates PLLC (Beaumont, TX), Altus Exceptional Physician Group PLLC (Orange, TX), Austin ER Associates PLLC (Austin, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, 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 Dien Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dien Bui accept?
Health plans from Blue Cross and Blue Shield of Texas list Dien Bui 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 Dien Bui was last updated on March 2, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dien Quang Bui, MD · NPI 1013963859
Emergency Medicine physician in Pearland, Texas. Individual provider, active in the CMS NPPES registry since May 25, 2006.
## Identity
- **NPI:** 1013963859 (Entity type: Individual)
- **Enumerated:** May 25, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** J7754 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2404 SMITH RANCH RD, SUITE 200, Pearland, TX 77584-5120
- **Phone:** (713) 436-4333 · **Fax:** (713) 436-4423
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Tk Emergency Physicians Group PLLC (NPI 1942728019, Houston, TX); Beaumont Emergency Medicine Associates PLLC (NPI 1881716983, Beaumont, TX); Altus Exceptional Physician Group PLLC (NPI 1730869207, Orange, TX); Austin ER Associates PLLC (NPI 1376114587, Austin, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 2, 2012
- **Other identifiers:** Other 8P8507 (TX); Medicare UPIN F96924; Medicaid 135960612 (TX); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1013963859) · Data from the CMS NPPES public registry.