Physician
Nguyen, Theresa Thanh
Nguyen, Theresa Thanh was paid $389K by Medicaid between Jan 2018 and Dec 2024, across 25 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 58% of everything it billed.
33Billing provider infoNGUYEN, THERESA THANH
WESTMINSTER, CA 92683
WESTMINSTER, CA 92683
33aNPI1003893801assigned 12/22/2005
33bProvider typeInternal Medicine Physician
28Total paid$389K
24GClaims36,288
24DCodes billed25
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Internal Medicine Physician providers in California
Rank by total paid#283 of 2,679
Median peer was paid$13K
This provider vs. median31×
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 | 7,258 | $75K | |
| 2019 | 4,566 | $65K | |
| 2020 | 5,544 | $50K | |
| 2021 | 6,283 | $66K | |
| 2022 | 6,254 | $49K | |
| 2023 | 4,277 | $53K | |
| 2024incomplete | 2,106 | $32K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 58% | 23,196 | 19,854 | $227K |
| 90674 | 7.0% | 1,370 | 1,370 | $27K | |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | 6.5% | 443 | 437 | $25K |
| 99215 | Doctor's office visit, returning patient (complex)Prolong outpt/office vis | 6.4% | 293 | 293 | $25K |
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | 5.0% | 2,134 | 2,110 | $20K |
| 36415 | Collection of venous blood by venipuncture | 3.0% | 3,098 | 3,069 | $12K |
| 99490 | Ccm add 20min | 1.9% | 623 | 620 | $7K |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | 1.8% | 2,333 | 2,280 | $7K |
| 90756 | 1.6% | 300 | 299 | $6K | |
| 90686 | 1.2% | 210 | 210 | $5K | |
| 96156 | 1.1% | 56 | 56 | $4K | |
| 99396 | Periodic comprehensive preventive medicine reevaluation, established patient, 40-64 years | 1.0% | 217 | 217 | $4K |
13 more codes
| 96151 | <1% | 332 | $4K | |
| 90688 | <1% | 246 | $3K | |
| 90656 | <1% | 92 | $2K | |
| 99203 | Doctor's office visit, new patient (routine) | <1% | 51 | $2K |
| 96150 | <1% | 83 | $2K | |
| 90715 | <1% | 42 | $2K | |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | <1% | 428 | $1K |
| G0008 | Administration of influenza virus vaccine | <1% | 633 | $828.87 |
| 90746 | <1% | 12 | $765.38 | |
| G0438 | Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | <1% | 39 | $377.73 |
| 93000 | <1% | 25 | $282.95 | |
| G0009 | Administration of pneumococcal vaccine | <1% | 17 | $41.45 |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | <1% | 15 | $36.20 |
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.