Ingrid Kwak, FNP
NPI 1326764317ActiveIndividual· Nurse Practitioner· Saint Joseph, MI
Nurse Practitioner (FNP) 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: $301,340 for 1,814 claims, against $22,671 paid for services in 2024. Shockwave Medical, Inc was the largest of 8 companies reporting payments in 2025, $602.03 in all, mostly food and beverage. Lists Corewell Health Watervliet Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1326764317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Oct 12, 2022 |
| Last updated in NPPES | Aug 15, 2023 |
| Certified by provider | Aug 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4704315366 | MI |
| Registered Nurse | 163W00000X | 4704315366 | 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 | 233 |
|---|---|
| Services billed | 461 across 15 procedure codes |
| Paid by Medicare | $22,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,814 · 3,776 30-day fills |
|---|---|
| Patients | 340 |
| Total drug cost | $301,340 |
| Generic share | 82% 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
- Corewell Health Watervliet HospitalWatervliet, MI
- Lakeland Hospital, St JosephSt Joseph, MI
Industry payments (Open Payments)
- 2025$602.03 · 22 payments from 8 companies
- 2024$825.17 · 21 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $173.54 | 8 |
| Pfizer Inc. | $102.57 | 1 |
| Novartis Pharmaceuticals Corporation | $99.23 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $97.68 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $69.96 | 4 |
What the 2025 payments were for
- Food and Beverage$602.03 · 22 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