Irene Martinez-Murguia, PA-C
NPI 1447492889ActiveIndividual· Physician Assistant· National City, CA
Physician Assistant (PA-C) in National City, California, trained at Stanford University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $84,862 for 371 claims, against $670.37 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC reported $134.39 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1447492889 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 31, 2009 |
| Last updated in NPPES | Jan 13, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA20296 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 22 across 6 procedure codes |
| Paid by Medicare | $670.37 |
Part D prescriptions in 2024
| Prescriptions (claims) | 371 · 671 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $84,862 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Physician Assistant |
Medical group
- Centro de Salud de la Comunidad de San Ysidro,inc.San Diego, CA · 297 clinicians
Hospital affiliation
- Scripps Mercy HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$134.39 · 1 payment from 1 company
- 2024$169.67 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $134.39 | 1 |
What the 2025 payments were for
- Food and Beverage$134.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 physician assistants in National City · All physician assistants in California