Christen Hayworth Duke, ANP-BC
NPI 1437327343ActiveIndividual· Nurse Practitioner, Obstetrics & Gynecology· Sioux Falls, SD
Nurse Practitioner, Obstetrics & Gynecology (ANP-BC) in Sioux Falls, South Dakota, licensed in SD and NC, with an NPI issued in February 2008. Their prescriptions cost Medicare Part D more than their services did: $16,906 for 411 claims, against $3,903 paid for services in 2024. Hologic Sales and Service, LLC was the largest of 9 companies reporting payments in 2025, $165.07 in all, mostly food and beverage. Lists Ortonville Area Health Services and 1 other hospital as hospital affiliations.
Overview
| NPI | 1437327343 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ANP-BC |
| Sole proprietor | No |
| NPI issued | Feb 13, 2008 |
| Last updated in NPPES | Apr 27, 2023 |
| Certified by provider | Apr 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Obstetrics & Gynecology Primary | 363LX0001X | CP001777 | SD |
| Nurse Practitioner | 363L00000X | CP001777 | SD |
| Nurse Practitioner, Adult Health | 363LA2200X | 600117 | NC |
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 | 39 |
|---|---|
| Services billed | 76 across 6 procedure codes |
| Paid by Medicare | $3,903 |
Part D prescriptions in 2024
| Prescriptions (claims) | 411 · 620 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $16,906 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Hospital affiliations
- Ortonville Area Health ServicesOrtonville, MN
- Sanford Vermillion Medical CenterVermillion, SD
Industry payments (Open Payments)
- 2025$165.07 · 9 payments from 9 companies
- 2024$169.75 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $24.74 | 1 |
| Abbvie Inc. | $22.01 | 1 |
| Lilly USA, LLC | $20.23 | 1 |
| Sumitomo Pharma America, Inc. | $18.97 | 1 |
| Pelvital USA, Inc. | $17.53 | 1 |
What the 2025 payments were for
- Food and Beverage$165.07 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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