Physician
Chang, Duke
Chang, Duke was paid $262K by Medicaid between Jan 2018 and Aug 2024, across 6 billing codes. Its largest line is 99232, hospital visit by a doctor, follow-up day — 65% of everything it billed.
33Billing provider infoCHANG, DUKE
TORRANCE, CA 90502
TORRANCE, CA 90502
33aNPI1235290669assigned 12/12/2006
33bProvider typeNephrology Physician
28Total paid$262K
24GClaims8,928
24DCodes billed6
24AFirst – last monthJan 2018 – Aug 2024
Compared with peers
Next to other Nephrology Physician providers in California
Rank by total paid#120 of 363
Median peer was paid$80K
This provider vs. median3.3×
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 | 551 | $14K | |
| 2019 | 1,822 | $48K | |
| 2020 | 1,686 | $49K | |
| 2021 | 1,900 | $57K | |
| 2022 | 963 | $38K | |
| 2023 | 1,161 | $47K | |
| 2024incomplete | 845 | $10K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99232 | Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity | 65% | 6,256 | 544 | $170K |
| 99233 | Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m | 18% | 1,637 | 197 | $46K |
| 99223 | Prolong inpt eval add15 m | 12% | 437 | 402 | $32K |
| 99309 | Subsequent nursing facility care, per day, low to moderate complexity | 3.3% | 416 | 37 | $9K |
| 99238 | Hospital discharge day management, 30 minutes or less | 1.8% | 170 | 163 | $5K |
| 99239 | Hospital discharge day management, more than 30 minutes | <1% | 12 | 12 | $356.19 |
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.