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TRANG ANH BUI M.D.
NPI 1912935164
Internal Medicine in Houston, TX

Active since June 28, 2006PECOS Enrolled
3400 BISSONNET ST.,, SUITE 100, HOUSTON, TX 77005(713) 662-2777(713) 665-6227 Get Directions Write a Review

NPPES record last updated: August 5, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Trang Anh Bui M.d. NPPES

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

TRANG ANH BUI M.D. (NPI 1912935164) is an individual internal medicine provider in Houston, Texas, licensed in Texas (K7674) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (1999).

NPPES Registry Identity

NPI1912935164
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTRANG ANH BUICredential: M.D.
Location Address3400 BISSONNET ST.,, SUITE 100Houston, TX 77005-2153
Mailing Address3400 Bissonnet St.,, Suite 100Houston, TX 77005-2153 · (713) 662-2777 · Fax (713) 665-6227
Phone(713) 662-2777
Fax(713) 665-6227
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1999
Enumeration DateJune 28, 2006
Last NPPES UpdateAugust 5, 2009
✔ NPI 1912935164 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · K7674
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3400 BISSONNET ST.,, Houston, TX 77005
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Other Identifiers 4

Medicare PIN88579K
Medicare UPINH03320TX
Medicare UPINH03320
Medicaid0423642-02TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Trang Anh Bui M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123192531
PECOS Enrollment IDI20080804000126
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 Trang Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

West University Internal Medicine, P.L.L.C.
Same address
Internal Medicine
3400 BISSONNET ST STE 100
Houston, TX 77005
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1235232034 (713) 662-2777

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 4

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 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.
74 services37 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
26 services26 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
14 services11 patients
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.
14 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Womans Hospital Of Texas,the

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450674
Location7600 FanninHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77005 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 Trang Bui's NPI number?

The NPI number for Trang Bui is 1912935164. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Trang Bui located?

Trang Bui practices at 3400 Bissonnet St., Suite 100, Houston, TX 77005. The listed phone number is (713) 662-2777.

What is Trang Bui's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Trang Bui enrolled in Medicare?

Yes. Trang Bui is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Trang Bui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Trang Bui reassigns Medicare benefits to West University Internal Medicine, P.L.L.C. (Houston, TX). 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 Trang Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Trang Bui accept?

Health plans from UnitedHealthcare list Trang 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.

Is Trang Bui affiliated with any hospitals?

According to CMS data, Trang Bui is affiliated with Memorial Hermann - Texas Medical Center, Houston Methodist Hospital and Womans Hospital Of Texas,the.

When was this NPI record last updated?

The NPPES record for Trang Bui was last updated on August 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.