Karlee Krokos, NP-C
NPI 1528641479ActiveIndividual· Nurse Practitioner, Family· Owosso, MI
Nurse Practitioner, Family (NP-C) with Memorial Hospital, practicing in Owosso, Michigan. Their prescriptions cost Medicare Part D more than their services did: $251,481 for 3,162 claims, against $12,064 paid for services in 2024. Lilly USA, LLC was the largest of 20 companies reporting payments in 2025, $2,009 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1528641479 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Apr 29, 2021 |
| Last updated in NPPES | Jun 16, 2022 |
| Certified by provider | Jun 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704346340 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 199 across 16 procedure codes |
| Paid by Medicare | $12,064 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,162 · 6,629 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $251,481 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Memorial HospitalPerry, MI · 214 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- Memorial HealthcareOwosso, MI
Industry payments (Open Payments)
- 2025$2,009 · 111 payments from 20 companies
- 2024$1,226 · 73 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $238.45 | 7 |
| Amgen Inc. | $233.06 | 14 |
| Pfizer Inc. | $201.02 | 10 |
| Astrazeneca Pharmaceuticals LP | $193.94 | 8 |
| Novo Nordisk Inc | $160.52 | 10 |
What the 2025 payments were for
- Food and Beverage$2,009 · 111 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 family nurse practitioners in Owosso · All family nurse practitioners in Michigan