Katherine Kowalk, PA-C
NPI 1790382240ActiveIndividual· Physician Assistant· Fort Collins, CO
Physician Assistant (PA-C) with Advanced Urology PLLC, practicing in Fort Collins, Colorado. Their prescriptions cost Medicare Part D more than their services did: $393,962 for 1,916 claims, against $141,349 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 16 companies reporting payments in 2025, $848.02 in all, mostly food and beverage. Lists Sky Ridge Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1790382240 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Oct 7, 2020 |
| Last updated in NPPES | Oct 7, 2020 |
| Certified by provider | Oct 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0006186 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 379 |
|---|---|
| Services billed | 5,767 across 45 procedure codes |
| Paid by Medicare | $141,349 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,916 · 3,367 30-day fills |
|---|---|
| Patients | 536 |
| Total drug cost | $393,962 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Advanced Urology PLLCLone Tree, CO · 59 clinicians
Hospital affiliations
- Sky Ridge Medical CenterLone Tree, CO
- The Medical Center of Aurora & South HospitalAurora, CO
Industry payments (Open Payments)
- 2025$848.02 · 35 payments from 16 companies
- 2024$1,217 · 34 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $142.43 | 7 |
| Bayer Healthcare Pharmaceuticals Inc. | $133.88 | 6 |
| Pfizer Inc. | $98.40 | 4 |
| Janssen Biotech, Inc. | $90.95 | 2 |
| Merck Sharp & Dohme LLC | $86.51 | 3 |
What the 2025 payments were for
- Food and Beverage$780.02 · 34 payments
- Education$68.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 192 physician assistants in Fort Collins · All physician assistants in Colorado