Physician
Mark Vonnegut, M.D., P.C.
Mark Vonnegut, M.D., P.C. was paid $528K by Medicaid between Jan 2018 and Aug 2023, across 27 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 46% of everything it billed.
33Billing provider infoMARK VONNEGUT, M.D., P.C.
QUINCY, MA 02169
QUINCY, MA 02169
33aNPI1285769844assigned 02/23/2007
33bProvider typePediatric Adolescent Medicine Physician
28Total paid$528K
24GClaims14,056
24DCodes billed27
24AFirst – last monthJan 2018 – Aug 2023
Compared with peers
Next to other Pediatric Adolescent Medicine Physician providers in Massachusetts
Rank by total paid#14 of 54
Median peer was paid$119K
This provider vs. median4.4×
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 | 2,993 | $121K | |
| 2019 | 2,885 | $118K | |
| 2020 | 2,831 | $96K | |
| 2021 | 2,005 | $80K | |
| 2022 | 2,250 | $88K | |
| 2023 | 1,092 | $24K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 46% | 4,362 | 4,109 | $241K |
| 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 | 15% | 1,025 | 968 | $79K |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 8.8% | 614 | 609 | $47K |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 8.8% | 592 | 583 | $46K |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 8.0% | 2,037 | 1,996 | $42K |
| S0302 | Completed early periodic screening diagnosis and treatment (epsdt) service (list in addition to code for appropriate evaluation and management service) | 2.3% | 1,277 | 1,262 | $12K |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | 2.1% | 1,099 | 1,082 | $11K |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 1.5% | 114 | 113 | $8K |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | 1.5% | 239 | 235 | $8K |
| 87502 | Infectious agent detection by nucleic acid, influenza virus, for multiple types or subtypes, includes all targets | 1.1% | 78 | 75 | $6K |
| 87651 | Infectious agent detection by nucleic acid; Streptococcus, group A, amplified probe | 1.0% | 186 | 175 | $5K |
| 90461 | <1% | 340 | 336 | $5K |
15 more codes
| 99173 | <1% | 255 | $4K | |
| 87635 | Infectious agent detection by nucleic acid; SARS-CoV-2 (COVID-19), amplified probe | <1% | 71 | $4K |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | <1% | 38 | $3K |
| 96127 | <1% | 500 | $3K | |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | <1% | 150 | $2K |
| 87804 | Infectious agent antigen detection by immunoassay; Influenza, each type | <1% | 56 | $623.51 |
| 83655 | <1% | 52 | $573.13 | |
| G2023 | Specimen collection for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), any specimen source | <1% | 18 | $453.30 |
| 90686 | <1% | 573 | $216.07 | |
| 85018 | <1% | 55 | $121.20 | |
| 85014 | <1% | 53 | $116.32 | |
| 94760 | <1% | 26 | $25.74 | |
| 96160 | <1% | 218 | $20.30 | |
| 36416 | 0% | 14 | $0.00 | |
| 90633 | 0% | 14 | $0.00 |
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.
From NPPES
Who's on the registration
Authorized officialHALL, KATE (OFFICE MANAGER)