Jaclyn Ngoc Minh Nguyen, MD
Emergency Medicine Physician · Round Rock, TX
Jaclyn Ngoc Minh Nguyen, MD is an emergency medicine physician with a practice address in Round Rock, Texas, and NPI 1033567052, issued on May 31, 2016. Check the license (Texas R9526, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jaclyn Ngoc Minh Nguyen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- R9526 TX
203150 CA
35.134440 OH
Self-reported in NPPES; status is on the state search - Practice location
- 300 University Blvd, Round Rock, TX 78665
- Phone
- (512) 509-0100
- Enumerated
- May 31, 2016
- Record last updated
- Mar 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20260402001923); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 300 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Ayoub, M.D.Diagnostic Radiology Physician1588844609
Verify Jaclyn Ngoc Minh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R9526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average emergency medicine physician in 2024
245 Medicare Part D claims for 165 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Ondansetron Hcl26 claims
- Hydrocodone-Acetaminophen25 claims
- Doxycycline Hyclate19 claims
- Cephalexin16 claims
- Prednisone16 claims
- Gabapentin12 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
- Cep America - CaliforniaSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jaclyn Ngoc Minh Nguyen among 4,885 emergency medicine physician records in Texas
Jaclyn Ngoc Minh Nguyen, MD 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 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2013 among the 2,779 with a school on file
- Record last updated2026 · 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).
68 emergency medicine physician records list a practice address in Round Rock
They are 68 of the 3,815 NPPES records with a practice address in Round Rock, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Round Rock → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brennen Beatty, MDRound Rock, TX 786651013076611
- William Biggers, M.D.Round Rock, TX 786651588640155
- Anthony Dumpit, M.D.Round Rock, TX 786651447462874
- Orlando Encarnacion, MDRound Rock, TX 786651366653669
- William Ewen, M.D.Round Rock, TX 786651538355490
- David Kaylor, D.O.Round Rock, TX 786651215142914
- Edward Lee, MDRound Rock, TX 786651912940867
- Ketan Patel, MDRound Rock, TX 786651386722825
Common questions
What is Jaclyn Ngoc Minh Nguyen, MD's NPI number?
Jaclyn Ngoc Minh Nguyen, MD's National Provider Identifier (NPI) is 1033567052, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jaclyn Ngoc Minh Nguyen, MD located?
The NPPES record lists a practice address at 300 University Blvd, Round Rock, TX, 78665. Phone: (512) 509-0100. Providers update this record themselves, so call before visiting.
How can I verify Jaclyn Ngoc Minh Nguyen, MD's license?
NPPES lists Texas license number R9526, 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 Jaclyn Ngoc Minh Nguyen, MD prescribe under Medicare Part D?
In 2024, Jaclyn Ngoc Minh Nguyen, MD had 245 Medicare Part D claims for 165 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.