William Christopher Wilkerson, M.D.
NPI 1962445056ActiveIndividual· Psychiatry & Neurology, Psychiatry· Mobile, AL
Psychiatry & Neurology, Psychiatry (M.D.) in Mobile, Alabama, trained at University of Mississippi School of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $525,474 for 2,249 claims, against $3,867 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 3 companies reporting payments in 2025, $158.62 in all, mostly food and beverage.
Overview
| NPI | 1962445056 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Mar 12, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 11116 | 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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 101 across 6 procedure codes |
| Paid by Medicare | $3,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,249 · 3,606 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $525,474 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Psychiatry |
Medical group
- Wellness Collective LLCMobile, AL · 23 clinicians
Industry payments (Open Payments)
- 2025$158.62 · 3 payments from 3 companies
- 2024$389.53 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $127.88 | 1 |
| Lundbeck LLC | $15.73 | 1 |
| Alkermes, Inc. | $15.01 | 1 |
What the 2025 payments were for
- Food and Beverage$158.62 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 92 psychiatrists in Mobile · All psychiatrists in Alabama