Federal IDR outcomes: Internal and family medicine in Montana
In 2025 Q1–Q4, the provider or facility offer prevailed in 84.0% of 150 determined Federal IDR dispute line items for internal and family medicine in Montana. The median prevailing offer was 4.46x the QPA (25th–75th percentile 3.88x–6.50x; n = 150). The median time to a decision was 44 business days (n = 150).
Determined line items
150
2025 Q1–Q4 · 0 split decisions excluded
Provider win rate
84.0%
n = 150 · 2025 Q1–Q4
Median payment vs QPA
4.46x
middle half 3.88x–6.50x · n = 150 · 2025 Q1–Q4
Median days to decision
44
business days, from dispute initiation · n = 150 · 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 | 150 | 84.0% | 4.46x | 3.88x–6.50x | 150 | 44 |
| 2024 Q1–Q4 | 31 | 93.5% | 7.46x | 6.26x–9.56x | 31 | 37 |
| 2023 Q1–Q4 | Fewer than 30 determined line items; not shown. | |||||
| 2023 Q1–2025 Q4 | 181 | 85.6% | 4.87x | 3.88x–7.00x | 181 | 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 |
|---|---|---|---|---|---|
| 99233 Subsequent hospital care with moderate levelof medical decision making, if using | 51 | 80.4% | 3.88x | 51 | 39 |
| 99239 Hospital discharge day management, more than 30 minutes | 46 | 87.0% | 4.12x | 46 | 49 |
2025 Q1–Q4 · rows with n ≥ 30 determined line items · sorted by n.
Related: all specialties in Montana · Internal and family medicine in all states
FAQ
What is the Federal IDR provider win rate for internal and family medicine in Montana?
In 2025 Q1–Q4, the provider or facility offer was selected in 84.0% of 150 determined dispute line items for internal and family medicine in Montana. 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 Withdrawn, settled and ineligible disputes are not in the CMS data.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 internal and family medicine in Montana?
In 2025 Q1–Q4, the median prevailing offer was 4.46x the qualifying payment amount (QPA), with a 25th to 75th percentile range of 3.88x to 6.50x (n = 150 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 internal and family medicine in Montana?
In 2025 Q1–Q4, the median was 44 business days (n = 150 line items), using the CMS field Length of Time to Make Determination (from dispute initiation).