Marissa Christine Myres, APRN,CNS
NPI 1073917258ActiveIndividual· Clinical Nurse Specialist, Gerontology· Peoria, IL
Clinical Nurse Specialist, Gerontology (APRN,CNS) with Osf Multi-Specialty Group, practicing in Peoria, Illinois. Their prescriptions cost Medicare Part D more than their services did: $3,878,959 for 6,682 claims, against $39,132 paid for services in 2024. Tandem Diabetes Care, Inc. was the largest of 4 companies reporting payments in 2025, $154.67 in all, mostly food and beverage. Lists Osf Saint Clare Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1073917258 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN,CNS |
| Sole proprietor | No |
| NPI issued | Oct 16, 2014 |
| Last updated in NPPES | Dec 3, 2024 |
| Certified by provider | Dec 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Clinical Nurse Specialist, Gerontology Primary | 364SG0600X | 209012031 | IL |
| Registered Nurse | 163W00000X | 041.385496 | IL |
| Clinical Nurse Specialist | 364S00000X | 209.012031 | IL |
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 - Certified Clinical Nurse Specialist (Cns) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 245 |
|---|---|
| Services billed | 1,131 across 7 procedure codes |
| Paid by Medicare | $39,132 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,682 · 14,590 30-day fills |
|---|---|
| Patients | 931 |
| Total drug cost | $3,878,959 |
| Generic share | 30% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Certified Clinical Nurse Specialist (Cns) |
| Telehealth | Offers telehealth |
Medical group
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
Hospital affiliations
- Osf Saint Clare Medical CenterPrinceton, IL
- Osf Saint Elizabeth Mdl CtrPeru, IL
- Saint Francis Medical CenterPeoria, IL
- St Mary Medical CenterGalesburg, IL
Industry payments (Open Payments)
- 2025$154.67 · 10 payments from 4 companies
- 2024$176.69 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $73.67 | 6 |
| Ascendis Pharma Endocrinology Inc | $39.02 | 2 |
| Esperion Therapeutics, Inc. | $28.06 | 1 |
| Novo Nordisk Inc | $13.92 | 1 |
What the 2025 payments were for
- Food and Beverage$154.67 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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