Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
Home › CA › Santa Clara › NPI 1851650964
Dental

Western Dental Services, INC.

Western Dental Services, INC. was paid $2.86M by Medicaid between Jan 2018 and Dec 2024, across 27 billing codes. Its largest line is D0120, dental checkup, returning patient — 16% of everything it billed.

33Billing provider infoWESTERN DENTAL SERVICES, INC.
SANTA CLARA, CA 95051
33aNPI1851650964assigned 05/09/2012
33bProvider typeDentist
28Total paid$2.86M
24GClaims72,086
24DCodes billed27
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers

Next to other Dentist providers in California

Rank by total paid#184 of 2,314
Median peer was paid$185K
This provider vs. median15×

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

$0$20K$40K$60K2018201920202021202220232024
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
YearClaimsPaid
201811,355$411K
201910,236$407K
20207,284$231K
20219,715$330K
202210,870$433K
202311,109$509K
2024incomplete11,517$536K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
D0120 Dental checkup, returning patientPeriodic oral evaluation - established patient 16% 8,079 8,055 $455K
D0150 Comprehensive oral evaluation - new or established patient 16% 7,307 7,280 $451K
D2150 Silver amalgam - two surfaces, primary or permanent 8.8% 3,768 2,447 $251K
D0210 Intraoral - complete series of radiographic images 8.3% 5,067 5,044 $236K
D0230 Intraoral - periapical each additional radiographic image 7.7% 10,404 9,801 $221K
D1120 Dental cleaning, childProphylaxis - child 6.6% 4,849 4,831 $188K
D0274 Bitewings - four radiographic images 6.1% 8,468 8,416 $175K
D7210 Extraction, erupted tooth requiring removal of bone and/or sectioning of tooth 5.8% 1,439 805 $165K
D2140 5.5% 2,879 1,856 $156K
D1110 Prophylaxis - adult 5.4% 1,757 1,746 $154K
D4341 3.3% 1,352 575 $94K
D1208 Topical application of fluoride, excluding varnish 3.2% 7,638 7,610 $91K
15 more codes
D8670 Periodic orthodontic treatment visit 2.8% 318 $80K
D7140 Extraction, erupted tooth or exposed root 1.4% 692 $39K
D0350 1.3% 3,821 $36K
D0140 Limited oral evaluation - problem focused <1% 513 $17K
D2160 <1% 161 $13K
D0330 Panoramic radiographic image <1% 596 $12K
D2751 Crown - porcelain fused to predominantly base metal <1% 15 $7K
D0272 Bitewings - two radiographic images <1% 274 $3K
D1206 Topical application of fluoride varnish <1% 165 $3K
D2391 Resin-based composite - one surface, posterior, primary or permanent <1% 45 $2K
D4910 <1% 38 $2K
D9230 Inhalation of nitrous oxide / analgesia, anxiolysis <1% 43 $2K
D2392 Resin-based composite - two surfaces, posterior, primary or permanent <1% 22 $1K
D9910 <1% 31 $903.00
D1999 <1% 2,345 $667.00

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)
Same official

Other billing entities under DIAZ, SILVIA

Full network →
ProviderLocationPaid
Western Dental Services, INCSan Jose, CA$5.23M
Western Dental Services, INC.Antioch, CA$4.85M
Western Dental Services, INCGilroy, CA$1.73M
Western Dental Services, INC.Livermore, CA$1.52M
Western Dental Services, INC.San Marcos, CA$1.27M
Western Dental Services, INCSan Mateo, CA$1.08M
Western Dental Services, INCNapa, 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.CGarland, 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.