Federal IDR outcomes: Neonatology in Maine
In 2025 Q1–Q4, the provider or facility offer prevailed in 86.1% of 352 determined Federal IDR dispute line items for neonatology in Maine. The median prevailing offer was 1.65x the QPA (25th–75th percentile 1.46x–2.40x; n = 331). The median time to a decision was 57 business days (n = 352).
Determined line items
352
2025 Q1–Q4 · 0 split decisions excluded
Provider win rate
86.1%
n = 352 · 2025 Q1–Q4
Median payment vs QPA
1.65x
middle half 1.46x–2.40x · n = 331 · 2025 Q1–Q4
Median days to decision
57
business days, from dispute initiation · n = 352 · 2025 Q1–Q4
Dollar amounts are not shown for specialty groups: the CMS QPA and Offers file, the only source of dollar figures, has no specialty field. See methodology.
By period
| Period | Line items | Win % | Median ×QPA | 25th–75th | Ratio n | Median days |
|---|---|---|---|---|---|---|
| 2025 Q1–Q4 | 352 | 86.1% | 1.65x | 1.46x–2.40x | 331 | 57 |
| 2024 Q1–Q4 | 742 | 58.5% | 1.75x | 1.00x–3.06x | 742 | 236 |
| 2023 Q1–Q4 | 59 | 44.1% | 1.00x | 1.00x–3.06x | 59 | 50 |
| 2023 Q1–2025 Q4 | 1,153 | 66.2% | 1.74x | 1.00x–3.06x | 1,132 | not pooled |
Line items = determined dispute line items (n). Win rate excludes split decisions and includes default decisions. Ratio n = line items reporting a payment-to-QPA ratio. Days are business days as reported by CMS (2023–2024: from IDR entity assignment; 2025: from initiation) and are never pooled.
Most disputed CPT codes
| CPT code | Line items | Win % | Median ×QPA | Ratio n | Median days |
|---|---|---|---|---|---|
| 99479 Follow-up intensive care of recovering low birth weight infant per day | 134 | 66.4% | 1.49x | 134 | 57 |
| 99480 Follow-up intensive care of recovering medium birth weight infant per day | 76 | 100.0% | 1.47x | 71 | 62 |
| 99469 Follow-up inpatient hospital critical care of newborn per day (28 days or younge | 72 | 94.4% | 1.62x | 56 | 167 |
| 99472 Follow-up inpatient hospital critical care of infant or young child per day (29 | 62 | 100.0% | 2.39x | 62 | 47 |
2025 Q1–Q4 · rows with n ≥ 30 determined line items · sorted by n.
Related: all specialties in Maine · Neonatology in all states
FAQ
What is the Federal IDR provider win rate for neonatology in Maine?
In 2025 Q1–Q4, the provider or facility offer was selected in 86.1% of 352 determined dispute line items for neonatology in Maine. Split decisions are excluded from the denominator and default decisions are included. Withdrawn, settled and ineligible disputes are not in the CMS data.
How do Federal IDR payments compare with the QPA for neonatology in Maine?
In 2025 Q1–Q4, the median prevailing offer was 1.65x the qualifying payment amount (QPA), with a 25th to 75th percentile range of 1.46x to 2.40x (n = 331 line items). This uses the CMS field Prevailing Party Offer as % of QPA, where 1.00x equals the QPA.
How long do Federal IDR decisions take for neonatology in Maine?
In 2025 Q1–Q4, the median was 57 business days (n = 352 line items), using the CMS field Length of Time to Make Determination (from dispute initiation).