Physician
Gerard B Chamberlin MD MPH PC
Gerard B Chamberlin MD MPH PC was paid $345K by Medicaid between May 2018 and Dec 2024, across 7 billing codes. Its largest line is 99214, doctor's office visit, returning patient (more involved) — 91% of everything it billed.
33Billing provider infoGERARD B CHAMBERLIN MD MPH PC
MESA, AZ 85206
MESA, AZ 85206
33aNPI1417183583assigned 06/03/2009
33bProvider typePediatrics Physician
28Total paid$345K
24GClaims6,846
24DCodes billed7
24AFirst – last monthMay 2018 – Dec 2024
Compared with peers
Next to other Pediatrics Physician providers in Arizona
Rank by total paid#96 of 235
Median peer was paid$164K
This provider vs. median2.1×
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 | 625 | $22K | |
| 2019 | 874 | $35K | |
| 2020 | 1,085 | $48K | |
| 2021 | 1,202 | $64K | |
| 2022 | 1,124 | $61K | |
| 2023 | 1,050 | $62K | |
| 2024incomplete | 886 | $52K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 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 | 91% | 5,708 | 4,779 | $312K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 7.4% | 745 | 644 | $26K |
| 90686 | <1% | 220 | 185 | $3K | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 117 | 114 | $3K |
| 0012A | <1% | 28 | 26 | $551.00 | |
| 0064A | <1% | 16 | 14 | $488.41 | |
| 0011A | <1% | 12 | 12 | $118.82 |
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 officialCHAMBERLIN, GERARD (PROPRIETOR)