Karissa Merkel, FNP-C
NPI 1538779533ActiveIndividual· Nurse Practitioner, Family· Aurora, IL
Nurse Practitioner, Family (FNP-C) with Morris Hospital, practicing in Aurora, Illinois. Their prescriptions cost Medicare Part D more than their services did: $15,495 for 153 claims, against $9,714 paid for services in 2024. Acera Surgical, Inc. reported $136.73 in payments in 2025, mostly food and beverage. Lists Morris Hospital & Healthcare Centers and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1538779533 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Aug 4, 2020 |
| Last updated in NPPES | Apr 23, 2024 |
| Certified by provider | Apr 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209021763 | 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 - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 151 across 14 procedure codes |
| Paid by Medicare | $9,714 |
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 309 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $15,495 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Morris HospitalSeneca, IL · 115 clinicians
Hospital affiliations
- Morris Hospital & Healthcare CentersMorris, IL
- Osf Saint Elizabeth Mdl CtrPeru, IL
- Saint Joseph Medical CenterJoliet, IL
Industry payments (Open Payments)
- 2025$136.73 · 1 payment from 1 company
- 2024$25.36 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acera Surgical, Inc. | $136.73 | 1 |
What the 2025 payments were for
- Food and Beverage$136.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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