Physician
DR. Nguyen & Associates
DR. Nguyen & Associates was paid $424K by Medicaid between Jan 2018 and Nov 2024, across 6 billing codes. Its largest line is 95004, Percutaneous tests with allergenic extracts, immediate type reaction — 50% of everything it billed.
33Billing provider infoDR. NGUYEN & ASSOCIATES
DOWNEY, CA 90240
DOWNEY, CA 90240
33aNPI1497951552assigned 06/26/2007
33bProvider typeAllergy & Immunology Physician
28Total paid$424K
24GClaims21,193
24DCodes billed6
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Allergy & Immunology Physician providers in California
Rank by total paid#20 of 68
Median peer was paid$64K
This provider vs. median6.6×
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 | 2,052 | $18K | |
| 2019 | 3,862 | $56K | |
| 2020 | 3,342 | $46K | |
| 2021 | 3,411 | $47K | |
| 2022 | 3,152 | $67K | |
| 2023 | 3,350 | $116K | |
| 2024incomplete | 2,024 | $75K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 95004 | Percutaneous tests with allergenic extracts, immediate type reaction | 50% | 4,279 | 3,184 | $211K |
| 99203 | Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity | 18% | 1,935 | 1,925 | $76K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 13% | 2,266 | 1,965 | $56K |
| 95117 | 8.5% | 7,899 | 3,492 | $36K | |
| 95144 | 7.8% | 1,172 | 993 | $33K | |
| 95115 | 2.9% | 3,642 | 1,561 | $12K |
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, ROGER (OWNER)