Physician
Zonfrillo, Mark
Zonfrillo, Mark was paid $606K by Medicaid between Mar 2018 and Dec 2024, across 5 billing codes. Its largest line is 99283, emergency room visit (moderate) — 61% of everything it billed.
33Billing provider infoZONFRILLO, MARK
NEWTON, MA 02462
NEWTON, MA 02462
33aNPI1235180852assigned 05/16/2006
33bProvider typePediatric Emergency Medicine (Emergency Medicine) Physician
28Total paid$606K
24GClaims3,961
24DCodes billed5
24AFirst – last monthMar 2018 – Dec 2024
Compared with peers
Next to other Pediatric Emergency Medicine (Emergency Medicine) Physician providers in Massachusetts
Rank by total paid#1 of 14
Median peer was paid$23K
This provider vs. median27×
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 | 489 | $37K | |
| 2019 | 292 | $34K | |
| 2020 | 303 | $51K | |
| 2021 | 590 | $100K | |
| 2022 | 804 | $147K | |
| 2023 | 900 | $140K | |
| 2024incomplete | 583 | $96K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99283 | Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity | 61% | 2,199 | 2,115 | $369K |
| 99284 | Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity | 27% | 1,297 | 1,265 | $161K |
| 99282 | Emergency department visit for the evaluation and management, low to moderate severity | 8.8% | 323 | 253 | $54K |
| 99285 | Emergency room visit (most serious)Emergency department visit for the evaluation and management, high severity with immediate threat to life | 3.1% | 115 | 108 | $19K |
| 99223 | Prolong inpt eval add15 m | <1% | 27 | 27 | $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.