Allison D. Ackerman, PH.D.
NPI 1235158858ActiveIndividual· Psychologist, Clinical· Deerfield, IL
Opted out of Medicare from January 2020 to January 2028. Psychologist, Clinical (PH.D.) in Deerfield, Illinois, with an NPI issued in July 2006.
Overview
| NPI | 1235158858 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PH.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist, Clinical Primary | 103TC0700X | — | IL |
| Psychologist | 103T00000X | — | IL |
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 |
|---|---|
| Opt-out | Opted out Jan 21, 2020 – Jan 21, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
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