Brian Aaron Weisenberg, M.D.
NPI 1093831042ActiveIndividual· Emergency Medicine· Saint Charles, MO
Emergency Medicine (M.D.) in Saint Charles, Missouri, licensed in MO, with an NPI issued in March 2007. 420 Medicare patients in 2024, $63,837 paid; nearly all of their 198 Part D prescriptions were generic (96%).
Overview
| NPI | 1093831042 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 21, 2007 |
| Last updated in NPPES | Jun 25, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 2008002490 | MO |
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 - Emergency Medicine (AR); Practitioner - Emergency Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 420 |
|---|---|
| Services billed | 568 across 23 procedure codes |
| Paid by Medicare | $63,837 |
Part D prescriptions in 2024
| Prescriptions (claims) | 198 · 198 30-day fills |
|---|---|
| Patients | 145 |
| Total drug cost | $1,245 |
| Generic share | 96% of claims |
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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