Cassie Thiesse, FNP-C
NPI 1316699119ActiveIndividual· Nurse Practitioner· Saint Joseph, MI
Nurse Practitioner (FNP-C) with Lakeland Hospitals at Niles and St Joseph Inc, practicing in Saint Joseph, Michigan. Their prescriptions cost Medicare Part D more than their services did: $28,450 for 392 claims, against $17,803 paid for services in 2024. Ferring Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $64.65 in all, mostly food and beverage. Lists Bronson South Haven Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1316699119 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Jan 22, 2022 |
| Last updated in NPPES | Jan 24, 2025 |
| Certified by provider | Jan 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4704326088 | MI |
| Registered Nurse | 163W00000X | 4704326088 | MI |
| Nurse Practitioner, Family | 363LF0000X | F10221415 | 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 | 199 |
|---|---|
| Services billed | 424 across 23 procedure codes |
| Paid by Medicare | $17,803 |
Part D prescriptions in 2024
| Prescriptions (claims) | 392 · 828 30-day fills |
|---|---|
| Patients | 202 |
| Total drug cost | $28,450 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Lakeland Hospitals at Niles and St Joseph IncSaint Joseph, MI · 131 clinicians
Hospital affiliations
- Bronson South Haven HospitalSouth Haven, MI
- Corewell Health Watervliet HospitalWatervliet, MI
- Lakeland Hospital, St JosephSt Joseph, MI
Industry payments (Open Payments)
- 2025$64.65 · 3 payments from 2 companies
- 2024$316.40 · 13 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $45.97 | 2 |
| Sumitomo Pharma America, Inc. | $18.68 | 1 |
What the 2025 payments were for
- Food and Beverage$64.65 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 nurse practitioners in Saint Joseph · All nurse practitioners in Michigan