Rebecca Ann Kollross, PA-C
NPI 1144875824ActiveIndividual· Physician Assistant· Weston, WI
Physician Assistant (PA-C) in Weston, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $331,099 for 1,924 claims, against $12,752 paid for services in 2024. Astellas Pharma US Inc was the largest of 6 companies reporting payments in 2025, $250.19 in all, mostly food and beverage.
Overview
| NPI | 1144875824 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 8, 2019 |
| Last updated in NPPES | Apr 20, 2023 |
| Certified by provider | Apr 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 4839 | WI |
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 - Physician Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 241 across 12 procedure codes |
| Paid by Medicare | $12,752 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,924 · 4,540 30-day fills |
|---|---|
| Patients | 432 |
| Total drug cost | $331,099 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Physician Assistant |
Medical group
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
Hospital affiliation
- Marshfield Medical Center - WestonWeston, WI
Industry payments (Open Payments)
- 2025$250.19 · 9 payments from 6 companies
- 2024$26.90 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $114.89 | 1 |
| Novo Nordisk Inc | $51.20 | 3 |
| Exact Sciences Corporation | $35.31 | 2 |
| Abbvie Inc. | $18.76 | 1 |
| Otsuka America Pharmaceutical, Inc. | $15.41 | 1 |
What the 2025 payments were for
- Food and Beverage$250.19 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 physician assistants in Weston · All physician assistants in Wisconsin