Physician
Karshbaum, Stephen
Karshbaum, Stephen was paid $21K by Medicaid between Mar 2018 and Dec 2022, across 2 billing codes. Its largest line is 73721, Magnetic resonance imaging, any joint of lower extremity; without contrast material — 97% of everything it billed.
33Billing provider infoKARSHBAUM, STEPHEN
PEABODY, MA 01960
PEABODY, MA 01960
33aNPI1124032271assigned 07/27/2006
33bProvider typeDiagnostic Radiology Physician
28Total paid$21K
24GClaims97
24DCodes billed2
24AFirst – last monthMar 2018 – Dec 2022
Compared with peers
Next to other Diagnostic Radiology Physician providers in Massachusetts
Rank by total paid#104 of 427
Median peer was paid$3K
This provider vs. median7.0×
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 | 72 | $20K | |
| 2021 | 12 | $349.24 | |
| 2022 | 13 | $227.56 |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 73721 | Magnetic resonance imaging, any joint of lower extremity; without contrast material | 97% | 72 | 68 | $20K |
| 70450 | Computed tomography, head or brain; without contrast material | 2.8% | 25 | 24 | $576.80 |
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.