Nancy Jane Niemann Royer, MD
NPI 1326094145ActiveIndividual· Emergency Medicine· O Fallon, MO
Emergency Medicine (MD) in O Fallon, Missouri, licensed in MO, with an NPI issued in May 2006. 90 Medicare patients in 2024, $10,278 paid; nearly all of their 77 Part D prescriptions were generic (91%).
Overview
| NPI | 1326094145 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 25, 2006 |
| Last updated in NPPES | Dec 17, 2021 |
| Certified by provider | Dec 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | R9E46 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 95 across 8 procedure codes |
| Paid by Medicare | $10,278 |
Part D prescriptions in 2024
| Prescriptions (claims) | 77 · 78 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $2,077 |
| 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
Other Emergency Medicine providers in O Fallon
- 1083761563
- 1760518336
- 1235392788
- 1215965702
- 1962427229
- 1609086750
- 1073715702
- 1356449771
- 1205327111