Erin Irene Marquez, FNP
NPI 1992412290ActiveIndividual· Nurse Practitioner, Family· Kingsburg, CA
Nurse Practitioner, Family (FNP) with Riverway Medical Group A Medical Corporation, practicing in Kingsburg, California. 220 Medicare patients in 2024, $35,927 paid; nearly all of their 576 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 28 companies reporting payments in 2025, $1,738 in all, mostly food and beverage. Lists Adventist Health Tulare and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992412290 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Nov 4, 2022 |
| Last updated in NPPES | Nov 4, 2022 |
| Certified by provider | Nov 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95022577 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 220 |
|---|---|
| Services billed | 990 across 48 procedure codes |
| Paid by Medicare | $35,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 576 · 979 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $37,806 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Riverway Medical Group A Medical CorporationVisalia, CA · 8 clinicians
Hospital affiliations
- Adventist Health TulareTulare, CA
- Kaweah Health Medical CenterVisalia, CA
Other facilities
- Kaweah Health Home HealthHome health agency · Visalia, CA
- Therapeutic Home HealthcareHome health agency · Fresno, CA
Industry payments (Open Payments)
- 2025$1,738 · 86 payments from 28 companies
- 2024$1,536 · 71 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $261.16 | 10 |
| Pfizer Inc. | $220.78 | 5 |
| Novo Nordisk Inc | $169.69 | 13 |
| Lilly USA, LLC | $137.27 | 13 |
| Abiomed | $96.93 | 3 |
What the 2025 payments were for
- Food and Beverage$1,738 · 86 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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