Madalyn Margaret Roller
NPI 1023839735ActiveIndividual· Physician Assistant· Columbia, MO
Physician Assistant with Yoon Dermatology, LLC, practicing in Columbia, Missouri. Enrolled in Medicare as practitioner - physician assistant. Ucb, Inc. was the largest of 10 companies reporting payments in 2025, $694.56 in all, mostly food and beverage.
Overview
| NPI | 1023839735 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 24, 2024 |
| Last updated in NPPES | Oct 24, 2024 |
| Certified by provider | Oct 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 (MO) |
|---|
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Yoon Dermatology, LLCWashington, MO · 8 clinicians
Industry payments (Open Payments)
- 2025$694.56 · 26 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $139.96 | 6 |
| Leo Pharma Inc. | $130.79 | 1 |
| Organon LLC | $104.78 | 4 |
| Regeneron Healthcare Solutions, Inc. | $96.12 | 4 |
| Incyte Corporation | $74.21 | 4 |
What the 2025 payments were for
- Food and Beverage$694.56 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 181 physician assistants in Columbia · All physician assistants in Missouri