Nguyen, San
Nguyen, San was paid $204K by Medicaid between Jan 2018 and Nov 2024, across 36 billing codes. Its largest line is 90791, psychiatric diagnostic evaluation — 28% of everything it billed.
33Billing provider infoNGUYEN, SAN
ALHAMBRA, CA 91801
ALHAMBRA, CA 91801
33aNPI1194738849assigned 08/14/2006
33bProvider typeSpecialist
28Total paid$204K
24GClaims34,931
24DCodes billed36
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Specialist providers in California
Rank by total paid#415 of 1,230
Median peer was paid$51K
This provider vs. median4.0×
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 | 3,407 | $29K | |
| 2019 | 6,175 | $34K | |
| 2020 | 5,549 | $30K | |
| 2021 | 6,053 | $33K | |
| 2022 | 5,984 | $32K | |
| 2023 | 4,606 | $23K | |
| 2024incomplete | 3,157 | $24K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 90791 | Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation | 28% | 2,142 | 2,132 | $57K |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 14% | 4,147 | 3,151 | $29K |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 13% | 2,087 | 2,048 | $26K |
| 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% | 11,556 | 10,566 | $26K |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | 9.3% | 1,750 | 1,729 | $19K |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 8.4% | 1,278 | 1,255 | $17K |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | 4.2% | 438 | 436 | $9K |
| 90686 | 3.3% | 3,517 | 3,470 | $7K | |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 1.8% | 199 | 190 | $4K |
| 86580 | <1% | 559 | 553 | $2K | |
| 90670 | <1% | 407 | 393 | $2K | |
| 90651 | <1% | 630 | 622 | $1K |
24 more codes
| 92552 | <1% | 295 | $1K | |
| 90744 | <1% | 381 | $855.00 | |
| 90734 | <1% | 478 | $811.00 | |
| 99381 | <1% | 12 | $538.56 | |
| 90620 | <1% | 279 | $516.00 | |
| 90633 | <1% | 207 | $462.00 | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 3,192 | $460.50 |
| 90688 | <1% | 344 | $451.02 | |
| 90698 | <1% | 106 | $424.00 | |
| 90680 | <1% | 78 | $321.00 | |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | <1% | 24 | $309.51 |
| 99173 | <1% | 261 | $186.66 | |
| 90710 | <1% | 84 | $166.00 | |
| 90685 | <1% | 88 | $139.00 | |
| 99383 | <1% | 13 | $49.01 | |
| 90715 | <1% | 24 | $36.00 | |
| 90700 | <1% | 13 | $18.00 | |
| 90472 | Immunization administration, each additional vaccine (list separately) | <1% | 251 | $8.84 |
| G0270 | Medical nutrition therapy; reassessment and subsequent intervention(s) following second referral in same year for change in diagnosis, medical condition or treatment regimen (including additional hours needed for renal disease), individual, face to face with the patient, each 15 minutes | 0% | 14 | $0.00 |
| 90461 | 0% | 17 | $0.00 | |
| 3078F | 0% | 15 | $0.00 | |
| G0447 | Face-to-face behavioral counseling for obesity, 15 minutes | 0% | 14 | $0.00 |
| 3074F | 0% | 16 | $0.00 | |
| 3008F | 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.