Rachel Christine Montileaux, PA-C
NPI 1588329585ActiveIndividual· Physician Assistant· Watertown, SD
Physician Assistant (PA-C) with Prairie Lakes Health Care System Inc, practicing in Watertown, South Dakota. 240 Medicare patients in 2024, $37,865 paid; nearly all of their 558 Part D prescriptions were generic (93%). Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $571.64 in all, mostly food and beverage. Lists Prairie Lakes Healthcare System, Inc as a hospital affiliation.
Overview
| NPI | 1588329585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 3, 2021 |
| Last updated in NPPES | Jul 18, 2024 |
| Certified by provider | Jul 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 1,887 across 106 procedure codes |
| Paid by Medicare | $37,865 |
Part D prescriptions in 2024
| Prescriptions (claims) | 558 · 726 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $17,203 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Prairie Lakes Health Care System IncWatertown, SD · 109 clinicians
Hospital affiliation
- Prairie Lakes Healthcare System, IncWatertown, SD
Industry payments (Open Payments)
- 2025$571.64 · 35 payments from 10 companies
- 2024$790.01 · 53 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $166.09 | 8 |
| Pfizer Inc. | $136.42 | 13 |
| Bayer Healthcare Pharmaceuticals Inc. | $71.91 | 4 |
| Grifols USA, LLC | $61.05 | 2 |
| Amgen Inc. | $36.47 | 2 |
What the 2025 payments were for
- Food and Beverage$571.64 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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