Physician
Chou, Vivian
Chou, Vivian was paid $11K by Medicaid between May 2019 and Feb 2024, across 5 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 52% of everything it billed.
33Billing provider infoCHOU, VIVIAN
EVANSTON, IL 60201
EVANSTON, IL 60201
33aNPI1457573420assigned 05/02/2007
33bProvider typeAllergy & Immunology Physician
28Total paid$11K
24GClaims266
24DCodes billed5
24AFirst – last monthMay 2019 – Feb 2024
Compared with peers
Next to other Allergy & Immunology Physician providers in Illinois
Rank by total paid#39 of 58
Median peer was paid$27K
This provider vs. median0.4×
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 | |
|---|---|---|---|
| 2019 | 52 | $3K | |
| 2020 | 54 | $2K | |
| 2021 | 81 | $2K | |
| 2022 | 54 | $3K | |
| 2023 | 12 | $401.15 | |
| 2024incomplete | 13 | $877.99 |
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 | 52% | 165 | 149 | $6K |
| 99244 | Office or other outpatient consultation, moderate to high complexity | 19% | 15 | 15 | $2K |
| 99204 | Doctor's office visit, new patient (more involved)Office or other outpatient visit for the evaluation and management of a new patient, moderate complexity | 14% | 25 | 25 | $2K |
| 95004 | Percutaneous tests with allergenic extracts, immediate type reaction | 14% | 37 | 37 | $1K |
| 1036F | 0% | 24 | 24 | $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.