Willow ABA Services
NPI 1205466612ActiveOrganization· Behavior Analyst· Littleton, CO
Behavior Analyst in Littleton, Colorado, registered in NPPES in January 2020. The authorized official on file is Tanner Sierks Sierks, Owner.
Overview
| NPI | 1205466612 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Jan 24, 2020 |
| Last updated in NPPES | Sep 26, 2025 |
| Certified by provider | Sep 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Behavior Analyst Primary | 103K00000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
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