Marie Joyner Nelsen
NPI 1033140884ActiveIndividual· Nurse Practitioner, Gerontology· Oxnard, CA
Nurse Practitioner, Gerontology with Community Memorial Health System, practicing in Oxnard, California. In 2024 Medicare paid $38,568 for 265 patients, and Part D covered 73 of their prescriptions, 79% of them generic. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $74.47 in all, mostly food and beverage. Lists Community Memorial Hospital - Ojai and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033140884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Feb 26, 2020 |
| Certified by provider | Feb 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 16053 | 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 | 265 |
|---|---|
| Services billed | 645 across 17 procedure codes |
| Paid by Medicare | $38,568 |
Part D prescriptions in 2024
| Prescriptions (claims) | 73 · 126 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $2,540 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Community Memorial Health SystemOxnard, CA · 185 clinicians
Hospital affiliations
- Community Memorial Hospital - OjaiOjai, CA
- Community Memorial Hospital - VenturaVentura, CA
Other facilities
- Livingston Memorial Visiting Nurse AssociationHome health agency · Ventura, CA
- Mission Home Health of Ventura, LLCHome health agency · Oxnard, CA
Industry payments (Open Payments)
- 2025$74.47 · 3 payments from 3 companies
- 2024$175.00 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $34.25 | 1 |
| Exact Sciences Corporation | $24.10 | 1 |
| Novo Nordisk Inc | $16.12 | 1 |
What the 2025 payments were for
- Food and Beverage$74.47 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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