Heather Sieminkewicz, PA
NPI 1558770701ActiveIndividual· Physician Assistant· Indiana, PA
Physician Assistant (PA) with Forefront Dermatology SC, practicing in Indiana, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $1,383,788 for 2,365 claims, against $82,844 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $2,024 in all, mostly food and beverage. Lists Excela Health Westmoreland Regional Hospital as a hospital affiliation.
Overview
| NPI | 1558770701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Aug 12, 2014 |
| Last updated in NPPES | Oct 13, 2026 |
| Certified by provider | Oct 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | MA056909 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 826 |
|---|---|
| Services billed | 2,819 across 25 procedure codes |
| Paid by Medicare | $82,844 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,365 · 2,763 30-day fills |
|---|---|
| Patients | 818 |
| Total drug cost | $1,383,788 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Forefront Dermatology SCSouthlake, TX · 662 clinicians
Hospital affiliation
- Excela Health Westmoreland Regional HospitalGreensburg, PA
Industry payments (Open Payments)
- 2025$2,024 · 120 payments from 14 companies
- 2024$1,431 · 78 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $361.99 | 25 |
| Galderma Laboratories, L.P. | $346.28 | 23 |
| Novartis Pharmaceuticals Corporation | $243.45 | 16 |
| Genzyme Corporation | $240.29 | 8 |
| Amgen Inc. | $200.12 | 12 |
What the 2025 payments were for
- Food and Beverage$2,024 · 120 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 physician assistants in Indiana · All physician assistants in Pennsylvania