Behavioral
Willow ABA Services
Willow ABA Services was paid $1.88M by Medicaid between Jan 2022 and Dec 2024, across 2 billing codes. Its largest line is 97153, applied behavior analysis (autism therapy), per 15 minutes — 86% of everything it billed.
33Billing provider infoWILLOW ABA SERVICES
LITTLETON, CO 80122
LITTLETON, CO 80122
33aNPI1205466612assigned 01/24/2020
33bProvider typeBehavioral Analyst
28Total paid$1.88M
24GClaims6,873
24DCodes billed2
24AFirst – last monthJan 2022 – Dec 2024
Compared with peers
Next to other Behavioral Analyst providers in Colorado
Rank by total paid#23 of 114
Median peer was paid$189K
This provider vs. median10.0×
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 | |
|---|---|---|---|
| 2022 | 1,203 | $240K | |
| 2023 | 1,822 | $471K | |
| 2024incomplete | 3,848 | $1.17M |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 97153 | Applied behavior analysis (autism therapy), per 15 minutesAdaptive behavior treatment by protocol, administered by technician, each 15 minutes | 86% | 4,639 | 364 | $1.61M |
| 97155 | Adaptive behavior treatment with protocol modification, administered by physician, each 15 minutes | 14% | 2,234 | 338 | $266K |
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 officialSIERKS, TANNER SIERKS (OWNER)