Mariusz Niedzwiecki
NPI 1083281679ActiveIndividual· Nurse Practitioner· San Jose, CA
Nurse Practitioner with Sharp Rees-Stealy Medical Group Inc and 2 other groups, practicing in San Jose, California. 158 Medicare patients in 2024, $16,460 paid; nearly all of their 210 Part D prescriptions were generic (90%). Lists Grossmont Hospital as a hospital affiliation.
Overview
| NPI | 1083281679 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 10, 2021 |
| Last updated in NPPES | Sep 30, 2024 |
| Certified by provider | Sep 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95017485 | CA |
| Nurse Practitioner, Family | 363LF0000X | 95017485 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 329 across 42 procedure codes |
| Paid by Medicare | $16,460 |
Part D prescriptions in 2024
| Prescriptions (claims) | 210 · 226 30-day fills |
|---|---|
| Patients | 139 |
| Total drug cost | $3,075 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Sharp Rees-Stealy Medical Group IncSan Diego, CA · 884 clinicians
- Team Physicians of Northern California Medical Group IncSan Ramon, CA · 85 clinicians
- Clinic Services of California Medical Group IncColton, CA · 61 clinicians
Hospital affiliation
- Grossmont HospitalLa Mesa, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 107 nurse practitioners in San Jose · All nurse practitioners in California