Physician
Koo, Helen
Koo, Helen was paid $572K by Medicaid between Jan 2018 and Dec 2024, across 32 billing codes. Its largest line is 99393, Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) — 23% of everything it billed.
33Billing provider infoKOO, HELEN
MONTEBELLO, CA 90640
MONTEBELLO, CA 90640
33aNPI1477596864assigned 06/13/2006
33bProvider typePediatrics Physician
28Total paid$572K
24GClaims39,038
24DCodes billed32
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Pediatrics Physician providers in California
Rank by total paid#205 of 1,490
Median peer was paid$15K
This provider vs. median38×
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 | 8,814 | $104K | |
| 2019 | 7,186 | $85K | |
| 2020 | 5,458 | $58K | |
| 2021 | 5,294 | $86K | |
| 2022 | 5,328 | $99K | |
| 2023 | 4,264 | $88K | |
| 2024incomplete | 2,694 | $52K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 23% | 3,513 | 3,492 | $131K |
| 90791 | Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation | 21% | 1,604 | 1,603 | $119K |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | 16% | 2,316 | 2,308 | $94K |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 13% | 2,052 | 2,007 | $75K |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 12% | 7,923 | 5,904 | $67K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 7.7% | 15,668 | 13,959 | $44K |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | 4.2% | 427 | 212 | $24K |
| 92552 | <1% | 438 | 437 | $4K | |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | <1% | 98 | 93 | $3K |
| 99173 | <1% | 887 | 885 | $3K | |
| 90685 | <1% | 180 | 157 | $2K | |
| 90480 | <1% | 41 | 41 | $2K |
20 more codes
| 0124A | <1% | 23 | $920.00 | |
| 97802 | <1% | 724 | $784.95 | |
| 0073A | <1% | 16 | $640.00 | |
| 90670 | <1% | 120 | $621.00 | |
| 0053A | <1% | 13 | $520.00 | |
| 90686 | <1% | 1,290 | $399.33 | |
| 90698 | <1% | 75 | $225.00 | |
| 90680 | <1% | 12 | $108.00 | |
| 90461 | <1% | 553 | $48.48 | |
| 90633 | 0% | 73 | $0.00 | |
| 90734 | 0% | 149 | $0.00 | |
| 91320 | 0% | 14 | $0.00 | |
| 90621 | 0% | 36 | $0.00 | |
| 90710 | 0% | 32 | $0.00 | |
| 90715 | 0% | 13 | $0.00 | |
| 99203 | Doctor's office visit, new patient (routine) | 0% | 28 | $0.00 |
| 90651 | 0% | 477 | $0.00 | |
| 99000 | 0% | 79 | $0.00 | |
| 92004 | Ophthalmological services: medical examination and evaluation, comprehensive, new patient | 0% | 91 | $0.00 |
| 99441 | 0% | 73 | $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.