Irena Marie Grauzinis, DO
NPI 1487303210ActiveIndividual· Family Medicine· Winters, CA
Family Medicine (DO) in Winters, California, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2022). Part D covered 423 prescriptions written in 2024, 79% of them generic.
Overview
| NPI | 1487303210 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 21, 2022 |
| Last updated in NPPES | Oct 10, 2025 |
| Certified by provider | Oct 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A21650 | 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 - Family Practice (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 423 · 800 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $32,309 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliations
- Sutter Davis HospitalDavis, CA
- Sutter Medical Center, SacramentoSacramento, 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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