Gregory Njora Kariuki, NP
NPI 1003597220ActiveIndividual· Nurse Practitioner, Adult Health· Maple Grove, MN
Nurse Practitioner, Adult Health (NP) with Park Nicollet Clinic and 1 other group, practicing in Maple Grove, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $389,696 for 328 claims, against $176,752 paid for services in 2024. Pfizer Inc. reported $52.00 in payments in 2025, mostly education. Lists Park Nicollet Methodist Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003597220 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 31, 2023 |
| Last updated in NPPES | Jul 31, 2023 |
| Certified by provider | Jul 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 10450 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 175 |
|---|---|
| Services billed | 9,401 across 104 procedure codes |
| Paid by Medicare | $176,752 |
Part D prescriptions in 2024
| Prescriptions (claims) | 328 · 414 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $389,696 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Park Nicollet ClinicSt Louis Park, MN · 1,787 clinicians
- Group Health IncBloomington, MN · 1,638 clinicians
Hospital affiliations
- Park Nicollet Methodist HospitalSaint Louis Park, MN
- Regions HospitalSaint Paul, MN
Industry payments (Open Payments)
- 2025$52.00 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $52.00 | 2 |
What the 2025 payments were for
- Education$52.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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