Physician
Chang, Louis
Chang, Louis was paid $5.88M by Medicaid between Jan 2018 and Nov 2024, across 9 billing codes. Its largest line is J0178, Injection, aflibercept, 1 mg — 75% of everything it billed.
33Billing provider infoCHANG, LOUIS
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
33aNPI1538295720assigned 02/24/2007
33bProvider typeOphthalmology Physician
28Total paid$5.88M
24GClaims11,387
24DCodes billed9
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Ophthalmology Physician providers in California
Rank by total paid#9 of 759
Median peer was paid$35K
This provider vs. median167×
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 | 1,555 | $1.13M | |
| 2019 | 1,658 | $839K | |
| 2020 | 1,523 | $868K | |
| 2021 | 1,591 | $725K | |
| 2022 | 1,816 | $918K | |
| 2023 | 1,888 | $856K | |
| 2024incomplete | 1,356 | $543K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| J0178 | Injection, aflibercept, 1 mg | 75% | 1,846 | 1,376 | $4.42M |
| 67028 | Intravitreal injection of a pharmacologic agent | 20% | 2,936 | 2,278 | $1.16M |
| 92134 | 2.4% | 3,221 | 3,119 | $139K | |
| 92012 | Ophthalmological services: medical examination and evaluation, intermediate, established patient | 2.1% | 2,620 | 2,544 | $122K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | <1% | 277 | 269 | $18K |
| 92250 | <1% | 188 | 186 | $11K | |
| J9035 | Injection, bevacizumab, 10 mg | <1% | 275 | 226 | $8K |
| 92235 | <1% | 12 | 12 | $1K | |
| 92014 | Ophthalmological services: medical examination and evaluation, comprehensive, established patient | <1% | 12 | 12 | $570.60 |
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.