Erum N. Ilyas, MD
NPI 1003800541ActiveIndividual· Dermatology· King Of Prussia, PA
Dermatology (MD) in King Of Prussia, Pennsylvania, trained at Drexel University College of Medicine (class of 2001). 774 Medicare patients in 2024, $180,520 paid; nearly all of their 1,059 Part D prescriptions were generic (91%). Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $970.91 in all, mostly food and beverage.
Overview
| NPI | 1003800541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 9, 2005 |
| Last updated in NPPES | May 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | MD424557 | 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 | 774 |
|---|---|
| Services billed | 3,121 across 54 procedure codes |
| Paid by Medicare | $180,520 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,059 · 1,302 30-day fills |
|---|---|
| Patients | 418 |
| Total drug cost | $61,816 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Dermatology |
Medical group
- Pennsylvania Centre for Dermatology, LLCKing Of Prussia, PA · 40 clinicians
Hospital affiliation
- Paoli HospitalPaoli, PA
Industry payments (Open Payments)
- 2025$970.91 · 55 payments from 16 companies
- 2024$1,074 · 54 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $195.76 | 12 |
| Abbvie Inc. | $162.32 | 11 |
| Amgen Inc. | $96.62 | 6 |
| Genzyme Corporation | $70.57 | 2 |
| Sun Pharmaceutical Industries Inc. | $68.47 | 3 |
What the 2025 payments were for
- Food and Beverage$970.91 · 55 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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