Ian Williamson, MA, BCBA
NPI 1164922241ActiveIndividual· Behavior Analyst· New London, CT
Behavior Analyst (MA, BCBA) in New London, Connecticut, licensed in NC and CT, with an NPI issued in February 2018.
Overview
| NPI | 1164922241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MA, BCBA |
| Sole proprietor | No |
| NPI issued | Feb 15, 2018 |
| Last updated in NPPES | Jan 17, 2024 |
| Certified by provider | Jan 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Behavior Analyst Primary | 103K00000X | — | — |
| Behavior Analyst | 103K00000X | 1191 | NC |
| Behavior Analyst | 103K00000X | 887 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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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