Dental
Tan Nghiem DDS, INC
Tan Nghiem DDS, INC was paid $11.04M by Medicaid between Jan 2018 and Dec 2024, across 37 billing codes. Its largest line is D3330, Endodontic therapy, molar tooth (excluding final restoration) — 22% of everything it billed.
33Billing provider infoTAN NGHIEM DDS, INC
GARDEN GROVE, CA 92840
GARDEN GROVE, CA 92840
33aNPI1760780910assigned 03/11/2011
33bProvider typeGeneral Practice Dentistry
28Total paid$11.04M
24GClaims146,900
24DCodes billed37
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other General Practice Dentistry providers in California
Rank by total paid#41 of 2,668
Median peer was paid$173K
This provider vs. median64×
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 | 7,447 | $192K | |
| 2019 | 12,255 | $548K | |
| 2020 | 10,946 | $688K | |
| 2021 | 20,186 | $1.32M | |
| 2022 | 23,093 | $1.85M | |
| 2023 | 32,317 | $2.84M | |
| 2024incomplete | 40,656 | $3.60M |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| D3330 | Endodontic therapy, molar tooth (excluding final restoration) | 22% | 5,213 | 4,536 | $2.41M |
| D2751 | Crown - porcelain fused to predominantly base metal | 21% | 4,815 | 3,086 | $2.29M |
| D0150 | Comprehensive oral evaluation - new or established patient | 6.9% | 11,645 | 11,572 | $758K |
| D4341 | 5.7% | 9,077 | 2,498 | $629K | |
| D7210 | Extraction, erupted tooth requiring removal of bone and/or sectioning of tooth | 5.6% | 5,368 | 2,880 | $621K |
| D2954 | 4.3% | 4,574 | 2,982 | $479K | |
| D3320 | 3.9% | 1,186 | 967 | $433K | |
| D4910 | 3.8% | 5,500 | 5,468 | $421K | |
| D3348 | 3.5% | 839 | 766 | $389K | |
| D9430 | 3.5% | 12,085 | 11,584 | $386K | |
| D0274 | Bitewings - four radiographic images | 2.8% | 14,312 | 14,239 | $304K |
| D3310 | 2.4% | 887 | 520 | $268K |
25 more codes
| D0120 | Dental checkup, returning patient | 2.3% | 3,927 | $253K |
| D2391 | Resin-based composite - one surface, posterior, primary or permanent | 2.2% | 4,563 | $245K |
| D1110 | Prophylaxis - adult | 1.7% | 2,159 | $191K |
| D2392 | Resin-based composite - two surfaces, posterior, primary or permanent | 1.5% | 2,473 | $164K |
| D0330 | Panoramic radiographic image | 1.2% | 4,398 | $130K |
| D1120 | Dental cleaning, child | <1% | 2,620 | $110K |
| D0230 | Intraoral - periapical each additional radiographic image | <1% | 25,318 | $103K |
| D0220 | Intraoral - periapical first radiographic image | <1% | 8,959 | $96K |
| D1208 | Topical application of fluoride, excluding varnish | <1% | 5,027 | $64K |
| D4342 | <1% | 1,521 | $64K | |
| D0350 | <1% | 4,601 | $45K | |
| D7140 | Extraction, erupted tooth or exposed root | <1% | 711 | $40K |
| D2330 | <1% | 507 | $38K | |
| D3347 | <1% | 62 | $23K | |
| D1320 | <1% | 1,275 | $21K | |
| D7230 | <1% | 92 | $17K | |
| D0272 | Bitewings - two radiographic images | <1% | 1,458 | $17K |
| D0210 | Intraoral - complete series of radiographic images | <1% | 228 | $11K |
| D2740 | Crown - porcelain/ceramic | <1% | 18 | $9K |
| D7240 | Removal of impacted tooth - completely bony | <1% | 24 | $6K |
| D0270 | <1% | 672 | $3K | |
| D1206 | Topical application of fluoride varnish | <1% | 85 | $1K |
| D0250 | <1% | 13 | $286.00 | |
| D1310 | 0% | 412 | $0.00 | |
| D0602 | 0% | 276 | $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.
From NPPES
Who's on the registration
Authorized officialNGHIEM, TAN (PRESIDENT)