Physician
Yap, Kong Peng
Yap, Kong Peng was paid $565K by Medicaid between Jan 2018 and Mar 2024, across 6 billing codes. Its largest line is 43239, Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple — 37% of everything it billed.
33Billing provider infoYAP, KONG PENG
IRVINE, CA 92604
IRVINE, CA 92604
33aNPI1942235288assigned 07/12/2006
33bProvider typeInternal Medicine Physician
28Total paid$565K
24GClaims4,001
24DCodes billed6
24AFirst – last monthJan 2018 – Mar 2024
Compared with peers
Next to other Internal Medicine Physician providers in California
Rank by total paid#213 of 2,679
Median peer was paid$13K
This provider vs. median45×
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 | 945 | $125K | |
| 2019 | 836 | $105K | |
| 2020 | 461 | $59K | |
| 2021 | 901 | $135K | |
| 2022 | 773 | $125K | |
| 2023 | 69 | $13K | |
| 2024incomplete | 16 | $2K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 43239 | Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple | 37% | 1,030 | 926 | $211K |
| 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 | 24% | 1,595 | 1,460 | $137K |
| 45378 | Colonoscopy, flexible; diagnostic, including collection of specimen(s) | 17% | 258 | 253 | $96K |
| 45380 | Colonoscopy, flexible; with biopsy, single or multiple | 14% | 237 | 229 | $79K |
| 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 | 7.2% | 865 | 781 | $41K |
| 99205 | Prolong outpt/office vis | <1% | 16 | 16 | $2K |
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.