Mallory B. Warren-Brothers, PA-C
NPI 1043925639ActiveIndividual· Physician Assistant· Saint Robert, MO
Physician Assistant (PA-C) with Mercy Clinic Springfield Communities, practicing in Saint Robert, Missouri. Their prescriptions cost Medicare Part D more than their services did: $106,738 for 1,535 claims, against $1,731 paid for services in 2024. Lists Lake Regional Health System and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1043925639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 18, 2023 |
| Last updated in NPPES | Mar 31, 2023 |
| Certified by provider | Mar 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2023011900 | MO |
| Radiologic Technologist | 247100000X | 588293 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 54 |
|---|---|
| Services billed | 109 across 15 procedure codes |
| Paid by Medicare | $1,731 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,535 · 2,326 30-day fills |
|---|---|
| Patients | 240 |
| Total drug cost | $106,738 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mercy Clinic Springfield CommunitiesLebanon, MO · 1,120 clinicians
Hospital affiliations
- Lake Regional Health SystemOsage Beach, MO
- Mercy Hospital LebanonLebanon, MO
- Mercy Hospital SpringfieldSpringfield, MO
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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