Physician
Mark G Gilchrist, MD, LLC
Mark G Gilchrist, MD, LLC was paid $558K by Medicaid between Jan 2018 and Nov 2024, across 23 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 60% of everything it billed.
33Billing provider infoMARK G GILCHRIST, MD, LLC
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
33aNPI1679841555assigned 12/07/2011
33bProvider typePediatrics Physician
28Total paid$558K
24GClaims17,783
24DCodes billed23
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Pediatrics Physician providers in Massachusetts
Rank by total paid#140 of 1,273
Median peer was paid$24K
This provider vs. median23×
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 | 2,558 | $99K | |
| 2019 | 3,072 | $122K | |
| 2020 | 3,057 | $87K | |
| 2021 | 2,554 | $80K | |
| 2022 | 2,560 | $115K | |
| 2023 | 2,144 | $40K | |
| 2024incomplete | 1,838 | $16K |
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 | 60% | 6,808 | 6,346 | $334K |
| 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 | 8.8% | 508 | 472 | $49K |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | 8.3% | 4,370 | 4,363 | $46K |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 7.7% | 2,107 | 2,096 | $43K |
| 87502 | Infectious agent detection by nucleic acid, influenza virus, for multiple types or subtypes, includes all targets | 4.2% | 300 | 289 | $24K |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 2.5% | 146 | 146 | $14K |
| 87651 | Infectious agent detection by nucleic acid; Streptococcus, group A, amplified probe | 2.5% | 460 | 449 | $14K |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 2.5% | 154 | 154 | $14K |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | 1.0% | 271 | 271 | $6K |
| 90461 | <1% | 348 | 348 | $5K | |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | <1% | 38 | 38 | $4K |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | <1% | 40 | 40 | $4K |
11 more codes
| 81003 | <1% | 375 | $719.38 | |
| 90686 | <1% | 1,347 | $498.64 | |
| 81001 | <1% | 142 | $426.74 | |
| 96127 | <1% | 28 | $299.04 | |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | <1% | 24 | $294.04 |
| 87804 | Infectious agent antigen detection by immunoassay; Influenza, each type | <1% | 12 | $129.91 |
| 94760 | <1% | 183 | $15.75 | |
| 90656 | <1% | 69 | $1.00 | |
| 3725F | 0% | 13 | $0.00 | |
| 90670 | 0% | 27 | $0.00 | |
| 90680 | 0% | 13 | $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 officialGILCHRIST, MARK (OWNER)
| Provider | Location | Paid |
|---|---|---|
| Premier Pediatrics | Ocoee, FL | $464K |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.