Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
Home › CA › National City › NPI 1326316985
Dental

Western Dental Services, INC.

Western Dental Services, INC. was paid $612K by Medicaid between Jan 2018 and Sep 2024, across 6 billing codes. Its largest line is D8670, Periodic orthodontic treatment visit — 88% of everything it billed.

33Billing provider infoWESTERN DENTAL SERVICES, INC.
NATIONAL CITY, CA 91950
33aNPI1326316985assigned 12/09/2011
33bProvider typeDentist
28Total paid$612K
24GClaims3,326
24DCodes billed6
24AFirst – last monthJan 2018 – Sep 2024
Compared with peers

Next to other Dentist providers in California

Rank by total paid#712 of 2,314
Median peer was paid$185K
This provider vs. median3.3×

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.

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$40K2018201920202021202220232024
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
2018756$108K
2019860$151K
2020498$114K
2021612$125K
2022326$59K
2023187$40K
2024incomplete87$15K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
D8670 Periodic orthodontic treatment visit 88% 1,884 1,875 $541K
D0140 Limited oral evaluation - problem focused 6.8% 1,206 1,203 $42K
D8680 3.8% 68 34 $23K
D0330 Panoramic radiographic image <1% 116 114 $3K
D0340 <1% 37 37 $2K
D0470 <1% 15 15 $1K

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, INC.Santa Clara, CA$2.86M
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
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.