Debra L. Williams, DO
NPI 1992762231ActiveIndividual· Psychiatry & Neurology, Psychiatry· Huntsville, AL
Psychiatry & Neurology, Psychiatry (DO) with Interpersonal Psychiatry LLC, practicing in Huntsville, Alabama. Their prescriptions cost Medicare Part D more than their services did: $151,392 for 839 claims, against $10,976 paid for services in 2024.
Overview
| NPI | 1992762231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 28, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Mar 31, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | DO 764 | AL |
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 - Psychiatry (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 148 across 7 procedure codes |
| Paid by Medicare | $10,976 |
Part D prescriptions in 2024
| Prescriptions (claims) | 839 · 1,065 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $151,392 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Interpersonal Psychiatry LLCLawrence, KS · 14 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 psychiatrists in Huntsville · All psychiatrists in Alabama