Margaret Messersmith, NP
NPI 1144852666ActiveIndividual· Nurse Practitioner, Family· La Vista, NE
Nurse Practitioner, Family (NP) with Alegent Creighton Clinic, practicing in La Vista, Nebraska. Their prescriptions cost Medicare Part D more than their services did: $1,760 for 28 claims, against $579.17 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $31.44 in all, mostly food and beverage. Lists Chi Health Bergan Mercy as a hospital affiliation.
Overview
| NPI | 1144852666 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Feb 12, 2020 |
| Last updated in NPPES | Sep 8, 2026 |
| Certified by provider | Sep 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 113089 | NE |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | 113089 | NE |
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 (NE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 18 across 5 procedure codes |
| Paid by Medicare | $579.17 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 28 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $1,760 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Alegent Creighton ClinicOmaha, NE · 963 clinicians
Hospital affiliation
- Chi Health Bergan MercyOmaha, NE
Industry payments (Open Payments)
- 2025$31.44 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $16.93 | 1 |
| Astrazeneca Pharmaceuticals LP | $14.51 | 1 |
What the 2025 payments were for
- Food and Beverage$31.44 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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