Ngoc-Thuy Trina Nguyen Od a Professional Corporation
Ngoc-Thuy Trina Nguyen Od a Professional Corporation was paid $272K by Medicaid between Jan 2018 and Oct 2024, across 6 billing codes. Its largest line is V2020, Frames, purchases — 24% of everything it billed.
33Billing provider infoNGOC-THUY TRINA NGUYEN OD A PROFESSIONAL CORPORATION
GARDEN GROVE, CA 92843
GARDEN GROVE, CA 92843
33aNPI1275769952assigned 06/08/2009
33bProvider typeOptometrist
28Total paid$272K
24GClaims17,277
24DCodes billed6
24AFirst – last monthJan 2018 – Oct 2024
Compared with peers
Next to other Optometrist providers in California
Rank by total paid#237 of 1,899
Median peer was paid$23K
This provider vs. median12×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 1,839 | $25K | |
| 2019 | 1,945 | $26K | |
| 2020 | 3,155 | $66K | |
| 2021 | 3,406 | $70K | |
| 2022 | 2,377 | $49K | |
| 2023 | 2,556 | $36K | |
| 2024incomplete | 1,999 | $270.44 |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| V2020 | Frames, purchases | 24% | 4,366 | 4,366 | $64K |
| 92004 | Ophthalmological services: medical examination and evaluation, comprehensive, new patient | 22% | 2,157 | 2,157 | $59K |
| 92340 | Fitting of spectacles, except for aphakia; monofocal | 20% | 3,692 | 3,692 | $55K |
| 92014 | Ophthalmological services: medical examination and evaluation, comprehensive, established patient | 19% | 1,905 | 1,905 | $52K |
| 92015 | Determination of refractive state | 8.4% | 4,426 | 4,426 | $23K |
| 92341 | 7.1% | 731 | 731 | $19K |
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.
From NPPES
Who's on the registration
Authorized officialNGUYEN, NGOC-THUY (PRESIDENT/ CEO)