Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
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Dental

Diem H. Nguyen, D.D.S, P.C

Diem H. Nguyen, D.D.S, P.C was paid $287K by Medicaid between Jan 2018 and Sep 2024, across 18 billing codes. Its largest line is D3330, Endodontic therapy, molar tooth (excluding final restoration) — 32% of everything it billed.

33Billing provider infoDIEM H. NGUYEN, D.D.S, P.C
CHANTILLY, VA 20151
33aNPI1073785382assigned 03/26/2008
33bProvider typeDentist
28Total paid$287K
24GClaims10,782
24DCodes billed18
24AFirst – last monthJan 2018 – Sep 2024
Compared with peers

Next to other Dentist providers in Virginia

Rank by total paid#86 of 417
Median peer was paid$34K
This provider vs. median8.5×

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

$0$10K$20K$30K2018201920202021202220232024
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
2018113$2K
2019211$2K
2020733$12K
20211,616$46K
20223,156$127K
20233,225$98K
2024incomplete1,728$0.00
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
D3330 Endodontic therapy, molar tooth (excluding final restoration) 32% 111 101 $91K
D1110 Prophylaxis - adult 20% 1,801 1,780 $58K
D0120 Dental checkup, returning patientPeriodic oral evaluation - established patient 9.2% 1,847 1,832 $26K
D0220 Intraoral - periapical first radiographic image 8.2% 2,681 2,555 $24K
D0274 Bitewings - four radiographic images 6.5% 917 908 $19K
D0230 Intraoral - periapical each additional radiographic image 5.0% 1,666 1,572 $14K
D2392 Resin-based composite - two surfaces, posterior, primary or permanent 3.9% 121 59 $11K
D1208 Topical application of fluoride, excluding varnish 3.6% 574 572 $10K
D0140 Limited oral evaluation - problem focused 3.4% 394 378 $10K
D0150 Comprehensive oral evaluation - new or established patient 1.9% 191 186 $6K
D1120 Dental cleaning, childProphylaxis - child 1.9% 151 151 $5K
D8670 Periodic orthodontic treatment visit 1.7% 12 12 $5K
6 more codes
D1351 Sealant - per tooth <1% 61 $3K
D0210 Intraoral - complete series of radiographic images <1% 91 $2K
D2391 Resin-based composite - one surface, posterior, primary or permanent <1% 22 $2K
D9920 <1% 13 $890.50
D9994 0% 114 $0.00
D9310 0% 15 $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 officialNGUYEN, DIEM (PRESIDENT)
Same official

Other billing entities under NGUYEN, DIEM

Full network →
ProviderLocationPaid
Little Saigon Optometry a Professional CorporationWestminster, CA$467K

Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.