Chen, Zheng
Chen, Zheng was paid $9K by Medicaid between Mar 2019 and Apr 2024, across 5 billing codes. Its largest line is 92004, Ophthalmological services: medical examination and evaluation, comprehensive, new patient — 51% of everything it billed.
33Billing provider infoCHEN, ZHENG
STANFORD, CA 94305
STANFORD, CA 94305
33aNPI1033442306assigned 09/17/2009
33bProvider typeOptometrist
28Total paid$9K
24GClaims1,895
24DCodes billed5
24AFirst – last monthMar 2019 – Apr 2024
Compared with peers
Next to other Optometrist providers in California
Rank by total paid#1,188 of 1,899
Median peer was paid$23K
This provider vs. median0.4×
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 | |
|---|---|---|---|
| 2019 | 297 | $1K | |
| 2020 | 380 | $2K | |
| 2021 | 412 | $2K | |
| 2022 | 226 | $1K | |
| 2023 | 543 | $3K | |
| 2024incomplete | 37 | $235.18 |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 92004 | Ophthalmological services: medical examination and evaluation, comprehensive, new patient | 51% | 502 | 500 | $5K |
| 92015 | Determination of refractive state | 19% | 839 | 837 | $2K |
| V2020 | Frames, purchases | 18% | 322 | 321 | $2K |
| 92340 | Fitting of spectacles, except for aphakia; monofocal | 8.2% | 175 | 174 | $756.00 |
| 92014 | Ophthalmological services: medical examination and evaluation, comprehensive, established patient | 4.3% | 57 | 57 | $390.50 |
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.