Nancy Seiler, FNP
NPI 1427448414ActiveIndividual· Nurse Practitioner, Occupational Health· San Luis Obispo, CA
Nurse Practitioner, Occupational Health (FNP) with Mary Imogene Bassett Hospital, practicing in San Luis Obispo, California. Their prescriptions cost Medicare Part D more than their services did: $546,415 for 5,976 claims, against $51,471 paid for services in 2024. Abbvie Inc. reported $105.74 in payments in 2025, mostly food and beverage. Lists Aurelia Osborn Fox Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1427448414 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Jan 28, 2015 |
| Last updated in NPPES | Feb 27, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Occupational Health Primary | 363LX0106X | NPF95001396 | 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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 392 |
|---|---|
| Services billed | 1,000 across 15 procedure codes |
| Paid by Medicare | $51,471 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,976 · 13,045 30-day fills |
|---|---|
| Patients | 649 |
| Total drug cost | $546,415 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Mary Imogene Bassett HospitalSidney, NY · 763 clinicians
Hospital affiliations
- Aurelia Osborn Fox Memorial HospitalOneonta, NY
- Bassett HealthcareCooperstown, NY
- Little Falls HospitalLittle Falls, NY
- O'Connor HospitalDelhi, NY
Other facilities
- At Home Care Inc ChhaHome health agency · Oneonta, NY
- Helios CareHospice · Oneonta, NY
- Valley Health Services IncNursing home · Herkimer, NY
Industry payments (Open Payments)
- 2025$105.74 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $105.74 | 1 |
What the 2025 payments were for
- Food and Beverage$105.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records