Physician
Chang, Alvin
Chang, Alvin was paid $257K by Medicaid between Apr 2018 and Jul 2023, across 12 billing codes. Its largest line is 99232, hospital visit by a doctor, follow-up day — 38% of everything it billed.
33Billing provider infoCHANG, ALVIN
TUSTIN, CA 92780
TUSTIN, CA 92780
33aNPI1396857181assigned 08/31/2006
33bProvider typeGeriatric Medicine (Internal Medicine) Physician
28Total paid$257K
24GClaims8,225
24DCodes billed12
24AFirst – last monthApr 2018 – Jul 2023
Compared with peers
Next to other Geriatric Medicine (Internal Medicine) Physician providers in California
Rank by total paid#15 of 86
Median peer was paid$14K
This provider vs. median18×
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 | 251 | $8K | |
| 2019 | 873 | $33K | |
| 2020 | 1,580 | $66K | |
| 2021 | 2,019 | $47K | |
| 2022 | 3,290 | $99K | |
| 2023 | 212 | $4K |
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 | 38% | 2,176 | 402 | $98K |
| 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% | 1,795 | 1,547 | $75K |
| 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 | 16% | 541 | 415 | $42K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 7.8% | 732 | 673 | $20K |
| 94760 | 2.4% | 1,814 | 1,723 | $6K | |
| 99308 | Subsequent nursing facility care, per day, straightforward | 2.1% | 157 | 86 | $5K |
| 99222 | Initial hospital care, per day, moderate complexity | 1.8% | 58 | 56 | $5K |
| 96127 | 1.7% | 881 | 875 | $4K | |
| 90674 | <1% | 19 | 19 | $570.00 | |
| 96372 | Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular | <1% | 22 | 22 | $459.44 |
| 90658 | <1% | 15 | 15 | $402.56 | |
| 99386 | 0% | 15 | 15 | $0.00 |
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.