Haley Marie Ellis, CNP
NPI 1306485172ActiveIndividual· Nurse Practitioner, Family· Watertown, SD
Nurse Practitioner, Family (CNP) with Prairie Lakes Health Care System Inc, practicing in Watertown, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $367,799 for 1,103 claims, against $24,777 paid for services in 2024. Verona Pharma, Inc. was the largest of 11 companies reporting payments in 2025, $739.06 in all, mostly food and beverage. Lists Coteau Des Prairies Health Care System and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1306485172 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Dec 27, 2019 |
| Last updated in NPPES | Mar 4, 2020 |
| Certified by provider | Mar 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | CP001704 | SD |
| Registered Nurse | 163W00000X | R036298 | SD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MN); Practitioner - Nurse Practitioner (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 271 |
|---|---|
| Services billed | 425 across 16 procedure codes |
| Paid by Medicare | $24,777 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,103 · 1,670 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $367,799 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Prairie Lakes Health Care System IncWatertown, SD · 109 clinicians
Hospital affiliations
- Coteau Des Prairies Health Care SystemSisseton, SD
- Milbank Area Hospital/Avera HealthMilbank, SD
- Ortonville Area Health ServicesOrtonville, MN
- Prairie Lakes Healthcare System, IncWatertown, SD
- Sanford Hospital Webster - CahWebster, SD
Industry payments (Open Payments)
- 2025$739.06 · 36 payments from 11 companies
- 2024$2,146 · 56 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Verona Pharma, Inc. | $173.32 | 7 |
| Astrazeneca Pharmaceuticals LP | $148.45 | 10 |
| Insmed, Inc. | $102.72 | 6 |
| Actelion Pharmaceuticals US, Inc. | $92.91 | 2 |
| Grifols USA, LLC | $48.15 | 2 |
What the 2025 payments were for
- Food and Beverage$660.07 · 35 payments
- Education$78.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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