Xuyen Dong-Thi Phan, MD
Family Medicine Physician · Houston, TX
Xuyen Dong-Thi Phan, MD is a family medicine physician with a practice address in Houston, Texas, and NPI 1437647880, issued on May 1, 2018. Check the license (Texas S9587, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Xuyen Dong-Thi Phan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- S9587 TX
BP10064800 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Augusta Dr, Houston, TX 77057
- Phone
- (713) 442-2400
- Enumerated
- May 1, 2018
- Record last updated
- Oct 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 422193904 TX
422193902 TX - Medicare enrollment
- Enrolled (PECOS I20210726000375); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 1111 Augusta Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Xuyen Dong-Thi Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S9587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average family medicine physician in 2024
1,081 Medicare Part D claims for 237 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium81 claims
- Amlodipine Besylate68 claims
- Metformin Hcl65 claims
- Levothyroxine Sodium49 claims
- Lisinopril44 claims
- Gabapentin35 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 one group practice
- Kelsey-Seybold Medical Group, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Xuyen Dong-Thi Phan among 11,119 family medicine physician records in Texas
Xuyen Dong-Thi Phan, MD is one of 11,119 family 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2004 among the 7,095 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,123 family medicine physician records list a practice address in Houston
They are 1,123 of the 61,221 NPPES records with a practice address in Houston, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Houston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Aalia Al-Barwani, M.D.Houston, TX 770571437388352
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- Tahirih Baker, MDHouston, TX 770571144255233
- Starr Borden, MDHouston, TX 770571730164153
- Kelly Castro, MDHouston, TX 770571699765677
- Enrique Cuevo, MDHouston, TX 770571770514721
- Alison Davidow, M.D.Houston, TX 770571316973936
- Joseph Davidow, M.D.Houston, TX 770571841228962
Common questions
What is Xuyen Dong-Thi Phan, MD's NPI number?
Xuyen Dong-Thi Phan, MD's National Provider Identifier (NPI) is 1437647880, issued on May 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Xuyen Dong-Thi Phan, MD located?
The NPPES record lists a practice address at 1111 Augusta Dr, Houston, TX, 77057. Phone: (713) 442-2400. Providers update this record themselves, so call before visiting.
How can I verify Xuyen Dong-Thi Phan, MD's license?
NPPES lists Texas license number S9587, 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 Xuyen Dong-Thi Phan, MD prescribe under Medicare Part D?
In 2024, Xuyen Dong-Thi Phan, MD had 1,081 Medicare Part D claims for 237 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.