Clinic
Diem Cao DDS INC
Diem Cao DDS INC was paid $203K by Medicaid between Apr 2019 and Dec 2024, across 18 billing codes. Its largest line is D2392, Resin-based composite - two surfaces, posterior, primary or permanent — 17% of everything it billed.
33Billing provider infoDIEM CAO DDS INC
PARAMOUNT, CA 90723
PARAMOUNT, CA 90723
33aNPI1134624638assigned 03/27/2018
33bProvider typeOral and Maxillofacial Surgery Clinic/Center
28Total paid$203K
24GClaims6,220
24DCodes billed18
24AFirst – last monthApr 2019 – Dec 2024
Compared with peers
Next to other Oral and Maxillofacial Surgery Clinic/Center providers in California
Rank by total paid#9 of 12
Median peer was paid$757K
This provider vs. median0.3×
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 | |
|---|---|---|---|
| 2019 | 75 | $3K | |
| 2020 | 419 | $11K | |
| 2021 | 1,164 | $41K | |
| 2022 | 799 | $26K | |
| 2023 | 1,099 | $33K | |
| 2024incomplete | 2,664 | $89K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| D2392 | Resin-based composite - two surfaces, posterior, primary or permanent | 17% | 518 | 223 | $35K |
| D4910 | 13% | 344 | 341 | $26K | |
| D0120 | Dental checkup, returning patientPeriodic oral evaluation - established patient | 12% | 334 | 333 | $25K |
| D0350 | 11% | 2,263 | 522 | $22K | |
| D0150 | Comprehensive oral evaluation - new or established patient | 10% | 317 | 317 | $21K |
| D1110 | Prophylaxis - adult | 6.9% | 161 | 161 | $14K |
| D1208 | Topical application of fluoride, excluding varnish | 6.0% | 881 | 880 | $12K |
| D0210 | Intraoral - complete series of radiographic images | 4.9% | 213 | 213 | $10K |
| D2391 | Resin-based composite - one surface, posterior, primary or permanent | 4.7% | 174 | 83 | $9K |
| D2740 | Crown - porcelain/ceramic | 4.0% | 17 | 12 | $8K |
| D9430 | 3.6% | 229 | 192 | $7K | |
| D1120 | Dental cleaning, childProphylaxis - child | 2.2% | 96 | 96 | $4K |
6 more codes
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.
From NPPES
Who's on the registration
Authorized officialCAO, DIEM (DENTIST)