Shannon McVey Wiedersum, D.O
NPI 1013396944ActiveIndividual· Dermatology· Doylestown, PA
Dermatology (D.O) in Doylestown, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2015). 1,132 Medicare patients in 2024, $203,439 paid; nearly all of their 1,147 Part D prescriptions were generic (95%). Janssen Biotech, Inc. was the largest of 22 companies reporting payments in 2025, $2,278 in all, mostly food and beverage.
Overview
| NPI | 1013396944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | No |
| NPI issued | May 26, 2015 |
| Last updated in NPPES | Nov 5, 2020 |
| Certified by provider | Nov 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | OS019788 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,132 |
|---|---|
| Services billed | 4,091 across 52 procedure codes |
| Paid by Medicare | $203,439 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,147 · 1,438 30-day fills |
|---|---|
| Patients | 495 |
| Total drug cost | $192,000 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Dermatology |
Medical group
- Mary B Toporcer, Md,pcDoylestown, PA · 3 clinicians
Hospital affiliations
- Doylestown HospitalDoylestown, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
Industry payments (Open Payments)
- 2025$2,278 · 106 payments from 22 companies
- 2024$1,788 · 100 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $414.91 | 20 |
| Regeneron Healthcare Solutions, Inc. | $284.30 | 7 |
| Abbvie Inc. | $199.37 | 14 |
| Sun Pharmaceutical Industries Inc. | $198.51 | 8 |
| Incyte Corporation | $181.71 | 7 |
What the 2025 payments were for
- Food and Beverage$2,175 · 104 payments
- Education$103.23 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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