Katrina Lynn Grosswiler, APRN
NPI 1861269193ActiveIndividual· Nurse Practitioner· Fleming Island, FL
Nurse Practitioner (APRN) with Southeast Orthopedic Specialists LLC, practicing in Fleming Island, Florida. 159 Medicare patients in 2024, $17,421 paid; nearly all of their 167 Part D prescriptions were generic (98%). Orthofix Medical, Inc. reported $14.92 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1861269193 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Dec 6, 2023 |
| Last updated in NPPES | Jul 28, 2025 |
| Certified by provider | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | APRN11030046 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 688 across 33 procedure codes |
| Paid by Medicare | $17,421 |
Part D prescriptions in 2024
| Prescriptions (claims) | 167 · 167 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $768.66 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Southeast Orthopedic Specialists LLCJacksonville, FL · 145 clinicians
Industry payments (Open Payments)
- 2025$14.92 · 1 payment from 1 company
- 2024$50.41 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Orthofix Medical, Inc. | $14.92 | 1 |
What the 2025 payments were for
- Food and Beverage$14.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 nurse practitioners in Fleming Island · All nurse practitioners in Florida