Diem Thuy Hong Nguyen, OD
Optometrist · Colleyville, TX
Diem Thuy Hong Nguyen, OD is an optometrist with a practice address in Colleyville, Texas, and NPI 1609895093, issued on Jul 18, 2006. Check the license (Texas 05785TG, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diem Thuy Hong Nguyen
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 05785TG TX
Self-reported in NPPES; status is on the state search - Practice location
- 33 Main St Ste 180, Colleyville, TX 76034
- Phone
- (817) 605-6060
- Enumerated
- Jul 18, 2006
- Record last updated
- Oct 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (817) 656-5050
- Medicare enrollment
- Enrolled (PECOS I20050819000765); may accept Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 1999
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Verify Diem Thuy Hong 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 05785TGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average optometrist in 2024
81 Medicare Part D claims for 37 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 73% of claims.
Most prescribed
- Rocklatan14 claims
- Loteprednol Etabonate12 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: $19.46
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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.
Diem Thuy Hong Nguyen among 5,006 optometrist records in Texas
Diem Thuy Hong Nguyen, OD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 65% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1999 · median 2010 among the 2,894 with a school on file
- Record last updated2010 · 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).
10 optometrist records list a practice address in Colleyville
They are 10 of the 550 NPPES records with a practice address in Colleyville, and 5,006 optometrist records in Texas.
All 5,006 in Texas → Every provider in Colleyville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Brian Barton, O.D.Colleyville, TX 760341598890493
- Cuc Bui, O.D.Colleyville, TX 760341093893422
- Richard Driscoll, O.D.Colleyville, TX 760341336226174
- Diana DriscollColleyville, TX 760341659707883
- Alycia Green, O.D.Colleyville, TX 760341003914524
- Carolyn Helbert GreenColleyville, TX 760341063421584
- Fortsmith Pham, O.D.Colleyville, TX 760341285712612
- Crystin Webb, O.D.Colleyville, TX 760341114300878
Common questions
What is Diem Thuy Hong Nguyen, OD's NPI number?
Diem Thuy Hong Nguyen, OD's National Provider Identifier (NPI) is 1609895093, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diem Thuy Hong Nguyen, OD located?
The NPPES record lists a practice address at 33 Main St Ste 180, Colleyville, TX, 76034. Phone: (817) 605-6060. Providers update this record themselves, so call before visiting.
How can I verify Diem Thuy Hong Nguyen, OD's license?
NPPES lists Texas license number 05785TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Diem Thuy Hong Nguyen, OD prescribe under Medicare Part D?
In 2024, Diem Thuy Hong Nguyen, OD had 81 Medicare Part D claims for 37 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.