George T. Nahass, M.D.
NPI 1215902986ActiveIndividual· Dermatology, Dermatopathology· Glen Carbon, IL
Dermatology, Dermatopathology (M.D.) with Schweiger Dermatology PLLC and 1 other group, practicing in Glen Carbon, Illinois. Their prescriptions cost Medicare Part D more than their services did: $596,412 for 865 claims, against $270,907 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,006 in all, mostly food and beverage.
Overview
| NPI | 1215902986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 17, 2006 |
| Last updated in NPPES | Apr 24, 2024 |
| Certified by provider | Apr 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, Dermatopathology Primary | 207ND0900X | 036094700 | IL |
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 - Dermatology (IL); Practitioner - Dermatology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 805 |
|---|---|
| Services billed | 5,991 across 55 procedure codes |
| Paid by Medicare | $270,907 |
Part D prescriptions in 2024
| Prescriptions (claims) | 865 · 1,047 30-day fills |
|---|---|
| Patients | 374 |
| Total drug cost | $596,412 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Dermatology |
Medical groups
- Schweiger Dermatology PLLCNew York, NY · 260 clinicians
- United Skin Specialists Illinois Ltd PCCentralia, IL · 12 clinicians
Industry payments (Open Payments)
- 2025$1,006 · 51 payments from 18 companies
- 2024$842.48 · 45 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $285.71 | 16 |
| Novartis Pharmaceuticals Corporation | $159.94 | 6 |
| Incyte Corporation | $95.18 | 4 |
| Amgen Inc. | $73.97 | 4 |
| Leo Pharma Inc. | $50.21 | 2 |
What the 2025 payments were for
- Food and Beverage$1,006 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records