Lien Nguyen, D.O.
Emergency Medicine Physician · Nacogdoches, TX
Lien Nguyen, D.O. is an emergency medicine physician with a practice address in Nacogdoches, Texas, and NPI 1023458163, issued on Jul 3, 2013. Check the license (Texas Q9454, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lien Nguyen
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- Q9454 TX
310647 LA
0102204438 VA
Self-reported in NPPES; status is on the state search - Practice location
- 4920 NE Stallings Dr, Nacogdoches, TX 75965
- Phone
- (504) 717-5858
- Enumerated
- Jul 3, 2013
- Record last updated
- Jun 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 4920 NE Stallings Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hanna AntleyFamily Nurse Practitioner1275426983
- Charlotte Appleton, M.D.Internal Medicine Physician1629139712
- David Archie, MDDiagnostic Radiology Physician1942264536
- Chaudri Shakoor Awan, M.D.Emergency Medicine Physician1841369345
- Amy Bagley-Krenek, FNPFamily Nurse Practitioner1972032670
- Tiffany Batten, APRN, FNP-CFamily Nurse Practitioner1093494916
Verify Lien Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q9454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average emergency medicine physician in 2024
247 Medicare Part D claims for 167 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 34 claims were for opioids.
Most prescribed
- Ondansetron Odt29 claims
- Cephalexin26 claims
- Acetaminophen-Codeine18 claims
- Prednisone17 claims
- Hydrocodone-Acetaminophen14 claims
- Azithromycin12 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.
Lien Nguyen among 4,885 emergency medicine physician records in Texas
Lien Nguyen, D.O. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 59% of them.
- NPI issued2013 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Nacogdoches → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Chaudri Shakoor Awan, M.D.Nacogdoches, TX 759651841369345
- Jeffrey Sterling, MDSan Augustine, TX 759721508957929
- Jeffrey Watson, MDSan Augustine, TX 759721346252673
- David Mosig, D.O.Jasper, TX 759511548439979
- Clarence Bolinger, MDCenter, TX 759351578642963
- Monte O'Neal, DOBrookeland, TX 759311366465874
- Michael Dempsey, M.D.Aledo, TX 760081760693667
- Nadeem Khan, MDWillow Park, TX 760081447293634
Common questions
What is Lien Nguyen, D.O.'s NPI number?
Lien Nguyen, D.O.'s National Provider Identifier (NPI) is 1023458163, issued on Jul 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Lien Nguyen, D.O. located?
The NPPES record lists a practice address at 4920 NE Stallings Dr, Nacogdoches, TX, 75965. Phone: (504) 717-5858. Providers update this record themselves, so call before visiting.
How can I verify Lien Nguyen, D.O.'s license?
NPPES lists Texas license number Q9454, 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 Lien Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Lien Nguyen, D.O. had 247 Medicare Part D claims for 167 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.