Thomas Nguyen
Optometrist · Clackamas, OR
Thomas Nguyen is an optometrist with a practice address in Clackamas, Oregon, and NPI 1740860147, issued on Apr 9, 2021. Check the license (Oregon ATI4570, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Nguyen
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- ATI4570 OR
61327713 WA
Self-reported in NPPES; status is on the state search - Practice location
- 12100 SE Stevens RD, Clackamas, OR 97086
- Phone
- (503) 813-2000
- Enumerated
- Apr 9, 2021
- Record last updated
- Apr 28, 2026
- Medicare enrollment
- Enrolled (PECOS I20210628002071); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2021
- Entity
- Type 1 · individual
Verify Thomas Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license ATI4570Check 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% fewer Medicare Part D claims than the average optometrist in 2024
252 Medicare Part D claims for 92 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Cyclosporine29 claims
- Latanoprost29 claims
- Fluorometholone25 claims
- Dorzolamide-Timolol14 claims
- Trazodone Hcl14 claims
- Gabapentin13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Oregon
There are 944 optometrist records in Oregon.
Other optometrist records in Oregon
- James Adamek, ODEagle Point, OR1568660199
- Brittany Adams, O.D.Albany, OR1265732978
- Makayla Adams, ODMyrtle Creek, OR1790461911
- Shelly Adams, O.D.White City, OR1396908075
- Samuel Adelman, O.D.Happy Valley, OR1043545122
- Brett Agost, O.D.Gresham, OR1326030883
- Dane AgostGresham, OR1376461657
- Andrew Aker, O.D.Portland, OR1154520906
- Joseph An, O.D.Gresham, OR1235271511
- Anna Anderson, O.D.Portland, OR1376707984
Common questions
What is Thomas Nguyen's NPI number?
Thomas Nguyen's National Provider Identifier (NPI) is 1740860147, issued on Apr 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Nguyen located?
The NPPES record lists a practice address at 12100 SE Stevens RD, Clackamas, OR, 97086. Phone: (503) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Nguyen's license?
NPPES lists Oregon license number ATI4570, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Nguyen prescribe under Medicare Part D?
In 2024, Thomas Nguyen had 252 Medicare Part D claims for 92 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Thomas Nguyen's MIPS final score?
The 2023 MIPS final score is 92.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.