Mamie E. Ambrosch, PA
NPI 1841903101ActiveIndividual· Physician Assistant· Saint Louis, MO
Physician Assistant (PA) in Saint Louis, Missouri, licensed in MO, with an NPI issued in January 2023. 112 Medicare patients in 2024, $11,340 paid; nearly all of their 114 Part D prescriptions were generic (91%).
Overview
| NPI | 1841903101 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jan 3, 2023 |
| Last updated in NPPES | May 4, 2026 |
| Certified by provider | Jan 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2024006180 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 128 across 8 procedure codes |
| Paid by Medicare | $11,340 |
Part D prescriptions in 2024
| Prescriptions (claims) | 114 · 124 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $3,816 |
| Generic share | 91% 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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