Elizabeth Vollmar, FNP-C
NPI 1124490107ActiveIndividual· Nurse Practitioner· O Fallon, MO
Nurse Practitioner (FNP-C) with Ssm Medical Group Inc, practicing in O Fallon, Missouri. Their prescriptions cost Medicare Part D more than their services did: $8,160 for 160 claims, against $1,098 paid for services in 2024. Mayne Pharma Commercial LLC reported $121.82 in payments in 2025, mostly food and beverage. Lists Ssm St Joseph Health Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1124490107 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | Yes |
| NPI issued | Oct 29, 2015 |
| Last updated in NPPES | Jan 18, 2024 |
| Certified by provider | Jan 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 2015037598 | MO |
| Nurse Practitioner, Family | 363LF0000X | 2015037598 | 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 - Nurse Practitioner (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 39 across 7 procedure codes |
| Paid by Medicare | $1,098 |
Part D prescriptions in 2024
| Prescriptions (claims) | 160 · 273 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $8,160 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ssm Medical Group IncSaint Charles, MO · 568 clinicians
Hospital affiliations
- Ssm St Joseph Health CenterSaint Charles, MO
- Ssm St Joseph Hospital WestLake Saint Louis, MO
Industry payments (Open Payments)
- 2025$121.82 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $121.82 | 1 |
What the 2025 payments were for
- Food and Beverage$121.82 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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