Dental
Ong, William
Ong, William was paid $2.26M by Medicaid between Jan 2018 and Nov 2024, across 24 billing codes. Its largest line is D1110, Prophylaxis - adult — 16% of everything it billed.
33Billing provider infoONG, WILLIAM
DALY CITY, CA 94014
DALY CITY, CA 94014
33aNPI1851499966assigned 09/20/2006
33bProvider typeGeneral Practice Dentistry
28Total paid$2.26M
24GClaims59,678
24DCodes billed24
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other General Practice Dentistry providers in California
Rank by total paid#259 of 2,668
Median peer was paid$173K
This provider vs. median13×
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 | 7,331 | $226K | |
| 2019 | 9,955 | $401K | |
| 2020 | 7,484 | $273K | |
| 2021 | 8,368 | $323K | |
| 2022 | 10,578 | $421K | |
| 2023 | 9,357 | $326K | |
| 2024incomplete | 6,605 | $293K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| D1110 | Prophylaxis - adult | 16% | 4,720 | 4,690 | $370K |
| D2391 | Resin-based composite - one surface, posterior, primary or permanent | 15% | 6,417 | 3,054 | $344K |
| D0150 | Comprehensive oral evaluation - new or established patient | 9.2% | 3,709 | 3,684 | $208K |
| D4341 | 8.8% | 2,902 | 813 | $200K | |
| D2330 | 8.7% | 2,592 | 1,478 | $197K | |
| D0120 | Dental checkup, returning patientPeriodic oral evaluation - established patient | 7.8% | 4,639 | 4,617 | $176K |
| D1120 | Dental cleaning, childProphylaxis - child | 5.2% | 3,064 | 3,044 | $118K |
| D4910 | 4.6% | 1,380 | 1,379 | $105K | |
| D1208 | Topical application of fluoride, excluding varnish | 4.2% | 7,391 | 7,357 | $95K |
| D0210 | Intraoral - complete series of radiographic images | 4.0% | 1,941 | 1,921 | $91K |
| D2392 | Resin-based composite - two surfaces, posterior, primary or permanent | 3.4% | 1,168 | 948 | $77K |
| D0220 | Intraoral - periapical first radiographic image | 2.6% | 4,581 | 4,482 | $58K |
12 more codes
| D0330 | Panoramic radiographic image | 2.3% | 1,671 | $52K |
| D0230 | Intraoral - periapical each additional radiographic image | 1.6% | 9,029 | $37K |
| D0272 | Bitewings - two radiographic images | 1.4% | 2,461 | $31K |
| D9430 | 1.0% | 770 | $23K | |
| D7210 | Extraction, erupted tooth requiring removal of bone and/or sectioning of tooth | <1% | 182 | $21K |
| D7140 | Extraction, erupted tooth or exposed root | <1% | 314 | $17K |
| D1351 | Sealant - per tooth | <1% | 592 | $13K |
| D5110 | <1% | 16 | $9K | |
| D2740 | Crown - porcelain/ceramic | <1% | 20 | $9K |
| D2954 | <1% | 52 | $5K | |
| D2335 | <1% | 45 | $5K | |
| D2331 | <1% | 22 | $2K |
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.