Mary Thuy Nguyen
Optometrist · Rockwall, TX
Mary Thuy Nguyen is an optometrist with a practice address in Rockwall, Texas, and NPI 1578041265, issued on Aug 3, 2018. Check the license (Texas 9581TG, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Thuy Nguyen
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 9581TG TX
Self-reported in NPPES; status is on the state search - Practice location
- 2827 Ridge RD, Rockwall, TX 75032
- Phone
- (972) 722-4301
- Enumerated
- Aug 3, 2018
- Record last updated
- Dec 12, 2025
- Fax
- (972) 722-7560
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Also registered at 2827 Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dale Wright, O.D.Optometrist1457420044
Verify Mary Thuy Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 9581TGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average optometrist in 2024
37 Medicare Part D claims for 12 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Latanoprost22 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.
Industry payments in 2024: $108.20
1 payment: food and beverage; the largest payer was Biotissue Holdings Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Thuy Nguyen among 5,006 optometrist records in Texas
Mary Thuy Nguyen is one of 5,006 optometrist records with a practice address in Texas. 74% 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 74% of them.
- NPI issued2018 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 optometrist records list a practice address in Rockwall
They are 21 of the 1,546 NPPES records with a practice address in Rockwall, and 5,006 optometrist records in Texas.
All 5,006 in Texas → Every provider in Rockwall → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Evagelos Agapios, O.D.Rockwall, TX 750321861660698
- Holly Britt, O.D.Rockwall, TX 750321629123369
- Jakob Byrnes, DORockwall, TX 750321033951876
- Sheryl Chan, O.D.Rockwall, TX 750321205049731
- Donna Daneshpajooh, ODRockwall, TX 750321174365431
- Sunny Field, O.D.Rockwall, TX 750321952430910
- Nancy Gutierrez, O.D.Rockwall, TX 750321013321918
- Thomas Neiman, ODRockwall, TX 750321780167080
Common questions
What is Mary Thuy Nguyen's NPI number?
Mary Thuy Nguyen's National Provider Identifier (NPI) is 1578041265, issued on Aug 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mary Thuy Nguyen located?
The NPPES record lists a practice address at 2827 Ridge RD, Rockwall, TX, 75032. Phone: (972) 722-4301. Providers update this record themselves, so call before visiting.
How can I verify Mary Thuy Nguyen's license?
NPPES lists Texas license number 9581TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Thuy Nguyen prescribe under Medicare Part D?
In 2024, Mary Thuy Nguyen had 37 Medicare Part D claims for 12 beneficiaries; the average among optometrist prescribers was 277. 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.