NPPES file of Aug 9, 2026

Quynh-Uyen Thi Bui, M.D.

Internal Medicine Physician · Baytown, TX

Quynh-Uyen Thi Bui, M.D. is an internal medicine physician with a practice address in Baytown, Texas, and NPI 1699702837, issued on Jun 26, 2006. Check the license (Texas L6303, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699702837
Name
Quynh-Uyen Thi Bui
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
L6303 TX
Self-reported in NPPES; status is on the state search
Practice location
4301 Garth Road, Ste 400, Baytown, TX 77532
Phone
(713) 614-4475
Enumerated
Jun 26, 2006
Record last updated
Apr 11, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
165687803 TX
Medicare enrollment
Enrolled (PECOS I20040803000673); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Quynh-Uyen Thi Bui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L6303
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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65% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,127 Medicare Part D claims for 288 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 67 claims were for opioids.

  1. Quynh-Uyen Bui1,127
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium74 claims
  2. Eliquis71 claims
  3. Furosemide53 claims
  4. Metoprolol Tartrate38 claims
  5. Atorvastatin Calcium37 claims
  6. Hydralazine Hcl37 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Houston Methodist Specialty PhysiciansHouston, TX
  2. Tmh Physician Associates PLLCSugar Land, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Quynh-Uyen Thi Bui among 9,175 internal medicine physician records in Texas

Quynh-Uyen Thi Bui, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1988 · median 2004 among the 6,088 with a school on file
  • Record last updated2011 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 internal medicine physician records list a practice address in Baytown

They are 14 of the 1,189 NPPES records with a practice address in Baytown, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Allencherril, M.D.Crosby, TX 775321437173168
  2. Angel Perez, MDChannelview, TX 775301477541662
  3. Verne Willits, M.D.Channelview, TX 775301841204864
  4. Shemeka Banger-Hill, MDDayton, TX 775351194706663
  5. Stephen Koch, M.D.Deer Park, TX 775361750325601
  6. Justin Lantz, M.D.Deer Park, TX 775361740690866
  7. Nehme Alkarra, MDDickinson, TX 775391386636025
  8. George Johnson, DODickinson, TX 775391548448194

Common questions

What is Quynh-Uyen Thi Bui, M.D.'s NPI number?

Quynh-Uyen Thi Bui, M.D.'s National Provider Identifier (NPI) is 1699702837, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Quynh-Uyen Thi Bui, M.D. located?

The NPPES record lists a practice address at 4301 Garth Road, Ste 400, Baytown, TX, 77532. Phone: (713) 614-4475. Providers update this record themselves, so call before visiting.

How can I verify Quynh-Uyen Thi Bui, M.D.'s license?

NPPES lists Texas license number L6303, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Quynh-Uyen Thi Bui, M.D. prescribe under Medicare Part D?

In 2024, Quynh-Uyen Thi Bui, M.D. had 1,127 Medicare Part D claims for 288 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.