Twyla K. Clark
NPI 1457760563ActiveIndividual· Physician Assistant· Madison, WI
Physician Assistant with Dean Health Systems Inc, practicing in Madison, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $30,823 for 865 claims, against $9,783 paid for services in 2024. Bridgebio Pharma, Inc. reported $131.07 in payments in 2025, mostly food and beverage. Lists Ssm Health St Mary's Hospital - Madison as a hospital affiliation.
Overview
| NPI | 1457760563 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 4, 2014 |
| Last updated in NPPES | Nov 5, 2020 |
| Certified by provider | Nov 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 3366-23 | 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 | 94 |
|---|---|
| Services billed | 228 across 24 procedure codes |
| Paid by Medicare | $9,783 |
Part D prescriptions in 2024
| Prescriptions (claims) | 865 · 2,015 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $30,823 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Dean Health Systems IncSun Prairie, WI · 1,159 clinicians
Hospital affiliation
- Ssm Health St Mary's Hospital - MadisonMadison, WI
Industry payments (Open Payments)
- 2025$131.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bridgebio Pharma, Inc. | $131.07 | 1 |
What the 2025 payments were for
- Food and Beverage$131.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 396 physician assistants in Madison · All physician assistants in Wisconsin