Physician
Chang, S. Ming
Chang, S. Ming was paid $67K by Medicaid between Jan 2018 and Dec 2021, across 10 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 52% of everything it billed.
33Billing provider infoCHANG, S. MING
WALNUT CREEK, CA 94596
WALNUT CREEK, CA 94596
33aNPI1114996618assigned 03/16/2006
33bProvider typePediatrics Physician
28Total paid$67K
24GClaims4,144
24DCodes billed10
24AFirst – last monthJan 2018 – Dec 2021
Compared with peers
Next to other Pediatrics Physician providers in California
Rank by total paid#545 of 1,490
Median peer was paid$15K
This provider vs. median4.5×
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 | 1,397 | $24K | |
| 2019 | 1,366 | $21K | |
| 2020 | 785 | $13K | |
| 2021 | 596 | $10K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 52% | 1,222 | 1,059 | $35K |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | 19% | 725 | 716 | $13K |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | 16% | 855 | 851 | $11K |
| 92552 | 6.3% | 352 | 352 | $4K | |
| 81000 | 1.9% | 278 | 274 | $1K | |
| 99173 | 1.8% | 360 | 360 | $1K | |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | <1% | 14 | 14 | $571.61 |
| D1206 | Topical application of fluoride varnish | <1% | 30 | 30 | $567.00 |
| 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 | <1% | 12 | 12 | $508.36 |
| 90686 | <1% | 296 | 295 | $356.29 |
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.