Dental
Western Dental Services, INC.
Western Dental Services, INC. was paid $1.52M by Medicaid between Jan 2018 and Dec 2024, across 30 billing codes. Its largest line is D0150, Comprehensive oral evaluation - new or established patient — 20% of everything it billed.
33Billing provider infoWESTERN DENTAL SERVICES, INC.
LIVERMORE, CA 94551
LIVERMORE, CA 94551
33aNPI1073882627assigned 12/27/2011
33bProvider typeDentist
28Total paid$1.52M
24GClaims38,696
24DCodes billed30
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Dentist providers in California
Rank by total paid#357 of 2,314
Median peer was paid$185K
This provider vs. median8.2×
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.
Auditor's notes
Automated statistical signals. Not evidence of fraud — how these are computed.
Entity ProliferationAuthorized official DIAZ, SILVIA controls 13+ related entities in our dataset. Read more
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 | 6,882 | $215K | |
| 2019 | 6,256 | $256K | |
| 2020 | 3,825 | $149K | |
| 2021 | 4,693 | $191K | |
| 2022 | 6,716 | $284K | |
| 2023 | 4,867 | $197K | |
| 2024incomplete | 5,457 | $231K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| D0150 | Comprehensive oral evaluation - new or established patient | 20% | 4,739 | 4,716 | $297K |
| D0120 | Dental checkup, returning patientPeriodic oral evaluation - established patient | 16% | 4,713 | 4,697 | $245K |
| D0210 | Intraoral - complete series of radiographic images | 11% | 3,546 | 3,524 | $166K |
| D0230 | Intraoral - periapical each additional radiographic image | 7.7% | 6,921 | 5,889 | $118K |
| D7210 | Extraction, erupted tooth requiring removal of bone and/or sectioning of tooth | 6.6% | 846 | 477 | $100K |
| D1120 | Dental cleaning, childProphylaxis - child | 5.8% | 2,381 | 2,370 | $89K |
| D4341 | 5.8% | 1,259 | 520 | $88K | |
| D0274 | Bitewings - four radiographic images | 5.1% | 3,798 | 3,760 | $78K |
| D2392 | Resin-based composite - two surfaces, posterior, primary or permanent | 4.8% | 1,098 | 737 | $74K |
| D1110 | Prophylaxis - adult | 3.6% | 696 | 695 | $55K |
| D1208 | Topical application of fluoride, excluding varnish | 2.8% | 3,502 | 3,488 | $43K |
| D2150 | Silver amalgam - two surfaces, primary or permanent | 2.7% | 615 | 405 | $41K |
18 more codes
| D2391 | Resin-based composite - one surface, posterior, primary or permanent | 1.5% | 423 | $23K |
| D4910 | 1.4% | 302 | $21K | |
| D7140 | Extraction, erupted tooth or exposed root | <1% | 238 | $13K |
| D1351 | Sealant - per tooth | <1% | 611 | $13K |
| D9230 | Inhalation of nitrous oxide / analgesia, anxiolysis | <1% | 254 | $10K |
| D0350 | <1% | 732 | $7K | |
| D0330 | Panoramic radiographic image | <1% | 695 | $7K |
| D4342 | <1% | 164 | $7K | |
| D9910 | <1% | 116 | $6K | |
| D0140 | Limited oral evaluation - problem focused | <1% | 175 | $6K |
| D0272 | Bitewings - two radiographic images | <1% | 452 | $5K |
| D9430 | <1% | 113 | $4K | |
| D2331 | <1% | 34 | $3K | |
| D2393 | Resin-based composite - three surfaces, posterior, primary or permanent | <1% | 21 | $2K |
| D1206 | Topical application of fluoride varnish | <1% | 135 | $1K |
| D2140 | <1% | 16 | $873.60 | |
| D0220 | Intraoral - periapical first radiographic image | <1% | 61 | $732.00 |
| D0270 | <1% | 40 | $190.00 |
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 officialDIAZ, SILVIA (PPO COORDINATOR)
| Provider | Location | Paid |
|---|---|---|
| Western Dental Services, INC | San Jose, CA | $5.23M |
| Western Dental Services, INC. | Antioch, CA | $4.85M |
| Western Dental Services, INC. | Santa Clara, CA | $2.86M |
| Western Dental Services, INC | Gilroy, CA | $1.73M |
| Western Dental Services, INC. | San Marcos, CA | $1.27M |
| Western Dental Services, INC | San Mateo, CA | $1.08M |
| Western Dental Services, INC | Napa, CA | $1.05M |
| Western Dental Services, INC. | National City, CA | $612K |
| Soumava Sen, DDS, P.C. | San Antonio, TX | $121K |
| Soumava Sen, DDS, P.C. | Euless, TX | $55K |
| Soumava Sen, DDS, P.C | Garland, TX | $52K |
| Soumava Sen, DDS, P.C. | Carrollton, TX | $23K |
| Western Dental of Arizona, INC. | Tempe, AZ | $48.01 |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.