Physician
Lai, Chia Chi
Lai, Chia Chi was paid $821K by Medicaid between Jan 2018 and Sep 2024, across 7 billing codes. Its largest line is 45380, Colonoscopy, flexible; with biopsy, single or multiple — 30% of everything it billed.
33Billing provider infoLAI, CHIA CHI
MONTEREY PARK, CA 91754
MONTEREY PARK, CA 91754
33aNPI1043238413assigned 07/17/2006
33bProvider typeGastroenterology Physician
28Total paid$821K
24GClaims14,030
24DCodes billed7
24AFirst – last monthJan 2018 – Sep 2024
Compared with peers
Next to other Gastroenterology Physician providers in California
Rank by total paid#59 of 363
Median peer was paid$55K
This provider vs. median15×
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 | 2,286 | $118K | |
| 2019 | 1,939 | $152K | |
| 2020 | 2,562 | $170K | |
| 2021 | 2,308 | $162K | |
| 2022 | 1,711 | $88K | |
| 2023 | 2,011 | $88K | |
| 2024incomplete | 1,213 | $44K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 45380 | Colonoscopy, flexible; with biopsy, single or multiple | 30% | 1,532 | 1,530 | $247K |
| 99232 | Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity | 29% | 7,037 | 1,669 | $239K |
| 43239 | Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple | 19% | 1,560 | 1,552 | $155K |
| 99222 | Initial hospital care, per day, moderate complexity | 13% | 1,462 | 1,435 | $105K |
| 99203 | Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity | 6.6% | 1,313 | 1,312 | $54K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 2.1% | 988 | 955 | $18K |
| 99231 | Subsequent hospital care, per day, straightforward or low complexity | <1% | 138 | 64 | $4K |
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.