Trisha Bea Rieffenberger, CNP
NPI 1386282549ActiveIndividual· Nurse Practitioner, Family· Watertown, SD
Nurse Practitioner, Family (CNP) with Sanford Medical Center, practicing in Watertown, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $58,432 for 1,484 claims, against $12,127 paid for services in 2024. Lists Prairie Lakes Healthcare System, Inc as a hospital affiliation.
Overview
| NPI | 1386282549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Dec 18, 2019 |
| Last updated in NPPES | Mar 17, 2023 |
| Certified by provider | Mar 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | F12190134 | SD |
| Family Medicine | 207Q00000X | F12190134 | SD |
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 (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 284 across 51 procedure codes |
| Paid by Medicare | $12,127 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,484 · 2,835 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $58,432 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Sanford Medical CenterSioux Falls, SD · 857 clinicians
Hospital affiliation
- Prairie Lakes Healthcare System, IncWatertown, SD
Other facilities
- Prairie Lakes Home HealthHome health agency · Watertown, SD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 family nurse practitioners in Watertown · All family nurse practitioners in South Dakota