Sandra Messmer, NP
NPI 1891273652ActiveIndividual· Nurse Practitioner· Meridian, ID
Nurse Practitioner (NP) with Saint Alphonsus Regional Medical Center Inc, practicing in Meridian, Idaho. In 2024 Medicare paid $10,533 for 166 patients, and Part D covered 380 of their prescriptions, 88% of them generic. Abbvie Inc. reported $44.62 in payments in 2025, mostly food and beverage. Lists Saint Alphonsus Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1891273652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Aug 3, 2018 |
| Last updated in NPPES | Sep 9, 2024 |
| Certified by provider | Sep 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 59692 | ID |
| Nurse Practitioner, Family | 363LF0000X | 2018026389 | 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) | Enrolled Practitioner - Nurse Practitioner (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 1,706 across 35 procedure codes |
| Paid by Medicare | $10,533 |
Part D prescriptions in 2024
| Prescriptions (claims) | 380 · 397 30-day fills |
|---|---|
| Patients | 292 |
| Total drug cost | $12,353 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Saint Alphonsus Regional Medical Center IncBoise, ID · 680 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$44.62 · 2 payments from 1 company
- 2024$349.77 · 17 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $44.62 | 2 |
What the 2025 payments were for
- Food and Beverage$44.62 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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