Physician
Nau, Christopher
Nau, Christopher was paid $318K by Medicaid between Jan 2018 and Nov 2024, across 13 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 53% of everything it billed.
33Billing provider infoNAU, CHRISTOPHER
CHILLICOTHE, IL 61523
CHILLICOTHE, IL 61523
33aNPI1104023092assigned 07/02/2007
33bProvider typePediatrics Physician
28Total paid$318K
24GClaims6,943
24DCodes billed13
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Pediatrics Physician providers in Illinois
Rank by total paid#406 of 1,805
Median peer was paid$55K
This provider vs. median5.8×
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 | 1,516 | $68K | |
| 2019 | 1,490 | $69K | |
| 2020 | 1,107 | $45K | |
| 2021 | 1,167 | $53K | |
| 2022 | 652 | $30K | |
| 2023 | 594 | $30K | |
| 2024incomplete | 417 | $24K |
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 | 53% | 3,982 | 3,389 | $170K |
| 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 | 30% | 1,499 | 1,349 | $97K |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 6.4% | 270 | 231 | $20K |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 3.6% | 169 | 136 | $11K |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 2.6% | 114 | 92 | $8K |
| 90686 | 2.2% | 538 | 453 | $7K | |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | <1% | 26 | 26 | $2K |
| 87426 | Infectious agent antigen detection, SARS-CoV-2 (COVID-19) | <1% | 33 | 33 | $1K |
| 90656 | <1% | 26 | 26 | $446.15 | |
| 90648 | <1% | 46 | 39 | $294.40 | |
| 90670 | <1% | 28 | 25 | $179.20 | |
| 90723 | <1% | 15 | 12 | $96.00 |
1 more codes
| 36415 | Collection of venous blood by venipuncture | <1% | 197 | $68.00 |
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.