Chang, William
Chang, William was paid $426K by Medicaid between Jan 2018 and Jul 2023, across 20 billing codes. Its largest line is 99214, doctor's office visit, returning patient (more involved) — 29% of everything it billed.
33Billing provider infoCHANG, WILLIAM
SAN JUAN CAPISTRANO, CA 92675
SAN JUAN CAPISTRANO, CA 92675
33aNPI1417902149assigned 05/23/2006
33bProvider typeSpecialist
28Total paid$426K
24GClaims7,031
24DCodes billed20
24AFirst – last monthJan 2018 – Jul 2023
Compared with peers
Next to other Specialist providers in California
Rank by total paid#304 of 1,230
Median peer was paid$51K
This provider vs. median8.3×
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 | 581 | $30K | |
| 2019 | 1,378 | $92K | |
| 2020 | 938 | $58K | |
| 2021 | 2,032 | $122K | |
| 2022 | 1,935 | $116K | |
| 2023 | 167 | $7K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | 29% | 2,389 | 2,240 | $124K |
| 99215 | Doctor's office visit, returning patient (complex)Prolong outpt/office vis | 20% | 1,108 | 958 | $85K |
| 94729 | 9.6% | 671 | 670 | $41K | |
| 94060 | 8.3% | 664 | 662 | $35K | |
| 99204 | Doctor's office visit, new patient (more involved)Office or other outpatient visit for the evaluation and management of a new patient, moderate complexity | 7.2% | 304 | 303 | $30K |
| 94726 | 6.4% | 432 | 432 | $27K | |
| 99205 | Prolong outpt/office vis | 5.5% | 217 | 175 | $23K |
| 99245 | 5.0% | 170 | 167 | $21K | |
| 99291 | Critical care, evaluation and management of the critically ill patient, first 30-74 minutes | 2.0% | 38 | 12 | $9K |
| 94618 | 1.9% | 204 | 199 | $8K | |
| 94727 | 1.8% | 165 | 165 | $8K | |
| 94375 | 1.3% | 216 | 211 | $6K |
8 more codes
| 94016 | <1% | 125 | $3K | |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | <1% | 105 | $2K |
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | <1% | 19 | $1K |
| 94010 | <1% | 32 | $1K | |
| 94664 | <1% | 71 | $754.32 | |
| 99213 | Doctor's office visit, returning patient (routine) | <1% | 16 | $517.44 |
| 99451 | <1% | 72 | $318.58 | |
| 99070 | <1% | 13 | $13.09 |
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.