Tracy J. Williams, PH,D., BCBA
NPI 1114180064ActiveIndividual· Psychologist, Cognitive & Behavioral· Sioux Falls, SD
Psychologist, Cognitive & Behavioral (PH,D., BCBA) with Volunteers of America Dakotas, practicing in Sioux Falls, South Dakota. Medicare paid $36,645 for services to 40 patients in 2024.
Overview
| NPI | 1114180064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PH,D., BCBA |
| Sole proprietor | No |
| NPI issued | Jul 9, 2008 |
| Last updated in NPPES | Jul 22, 2021 |
| Certified by provider | Jul 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist, Cognitive & Behavioral Primary | 103TB0200X | — | — |
| Behavior Analyst | 103K00000X | 1-03-1438 | SD |
| Psychologist | 103T00000X | 419 | SD |
| Psychologist, Intellectual & Developmental Disabilities | 103TM1800X | — | — |
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) | Enrolled Practitioner - Clinical Psychologist (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 40 |
|---|---|
| Services billed | 1,048 across 5 procedure codes |
| Paid by Medicare | $36,645 |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Clinical Psychologist |
Medical group
- Volunteers of America DakotasSioux Falls, SD · 3 clinicians
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