Casey Wegener, PA-C
NPI 1902293004ActiveIndividual· Physician Assistant· O Fallon, MO
Physician Assistant (PA-C) with O'Fallon Dermatology Specialists, P.C., practicing in O Fallon, Missouri. Their prescriptions cost Medicare Part D more than their services did: $52,571 for 571 claims, against $9,468 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 16 companies reporting payments in 2025, $1,354 in all, mostly food and beverage.
Overview
| NPI | 1902293004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 16, 2015 |
| Last updated in NPPES | Aug 13, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2016020646 | MO |
| Physician Assistant | 363A00000X | 085005404 | 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) | Enrolled Practitioner - Physician Assistant (IL); Practitioner - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 307 across 17 procedure codes |
| Paid by Medicare | $9,468 |
Part D prescriptions in 2024
| Prescriptions (claims) | 571 · 609 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $52,571 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- O'Fallon Dermatology Specialists, P.C.O'Fallon, MO · 3 clinicians
Industry payments (Open Payments)
- 2025$1,354 · 68 payments from 16 companies
- 2024$1,127 · 54 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $196.10 | 7 |
| Janssen Biotech, Inc. | $193.03 | 9 |
| Sun Pharmaceutical Industries Inc. | $186.55 | 8 |
| Abbvie Inc. | $154.27 | 10 |
| Amgen Inc. | $101.96 | 4 |
What the 2025 payments were for
- Food and Beverage$1,192 · 66 payments
- Education$161.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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