NP / PA
Zombil, Stephen
Zombil, Stephen was paid $550K by Medicaid between May 2020 and Dec 2024, across 6 billing codes. Its largest line is 90837, psychotherapy session, about an hour — 41% of everything it billed.
33Billing provider infoZOMBIL, STEPHEN
WORCESTER, MA 01605
WORCESTER, MA 01605
33aNPI1780165498assigned 08/22/2018
33bProvider typePsychiatric/Mental Health Nurse Practitioner
28Total paid$550K
24GClaims6,925
24DCodes billed6
24AFirst – last monthMay 2020 – Dec 2024
Compared with peers
Next to other Psychiatric/Mental Health Nurse Practitioner providers in Massachusetts
Rank by total paid#13 of 211
Median peer was paid$25K
This provider vs. median22×
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 | |
|---|---|---|---|
| 2020 | 817 | $55K | |
| 2021 | 1,556 | $100K | |
| 2022 | 1,721 | $102K | |
| 2023 | 1,296 | $129K | |
| 2024incomplete | 1,535 | $164K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 90837 | Psychotherapy session, about an hourPsychotherapy, 53 minutes with patient | 41% | 2,039 | 764 | $226K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 36% | 3,649 | 3,469 | $201K |
| 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 | 14% | 896 | 847 | $75K |
| 99404 | 4.5% | 155 | 155 | $25K | |
| 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 | 3.5% | 154 | 154 | $19K |
| 90791 | Psychiatric diagnostic evaluationPsychiatric diagnostic evaluation | <1% | 32 | 31 | $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.