Sharon E. Larsen, DNP - APN
NPI 1861785032ActiveIndividual· Nurse Practitioner, Family· Crystal Lake, IL
Nurse Practitioner, Family (DNP - APN) in Crystal Lake, Illinois, licensed in IL, with an NPI issued in May 2011. Their prescriptions cost Medicare Part D more than their services did: $42,821 for 881 claims, against $13,721 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $336.93 in all, mostly food and beverage. Lists Advocate Good Shepherd Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1861785032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP - APN |
| Sole proprietor | No |
| NPI issued | May 22, 2011 |
| Last updated in NPPES | Dec 15, 2021 |
| Certified by provider | Dec 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 277.000073 | 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 | 65 |
|---|---|
| Services billed | 297 across 24 procedure codes |
| Paid by Medicare | $13,721 |
Part D prescriptions in 2024
| Prescriptions (claims) | 881 · 2,174 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $42,821 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
Industry payments (Open Payments)
- 2025$336.93 · 13 payments from 5 companies
- 2024$484.85 · 22 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $179.76 | 4 |
| Exact Sciences Corporation | $57.78 | 4 |
| Lilly USA, LLC | $50.25 | 2 |
| Amgen Inc. | $32.96 | 2 |
| Pfizer Inc. | $16.18 | 1 |
What the 2025 payments were for
- Food and Beverage$336.93 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 family nurse practitioners in Crystal Lake · All family nurse practitioners in Illinois