David Michael Lemchak, DO
NPI 1184071292ActiveIndividual· Dermatology· Mt Lebanon, PA
Dermatology (DO) in Mt Lebanon, Pennsylvania, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2016). 214 Medicare patients in 2024, $58,775 paid; nearly all of their 944 Part D prescriptions were generic (96%). Janssen Biotech, Inc. was the largest of 13 companies reporting payments in 2025, $620.14 in all, mostly food and beverage.
Overview
| NPI | 1184071292 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 18, 2016 |
| Last updated in NPPES | Jul 12, 2026 |
| Certified by provider | Jul 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | OS021079 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 214 |
|---|---|
| Services billed | 1,205 across 37 procedure codes |
| Paid by Medicare | $58,775 |
Part D prescriptions in 2024
| Prescriptions (claims) | 944 · 1,035 30-day fills |
|---|---|
| Patients | 347 |
| Total drug cost | $41,944 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Dermatology |
Medical group
- Dermeve PCPittsburg, PA · 6 clinicians
Industry payments (Open Payments)
- 2025$620.14 · 35 payments from 13 companies
- 2024$62.30 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $148.16 | 13 |
| Mayne Pharma Commercial LLC | $85.30 | 5 |
| Sun Pharmaceutical Industries Inc. | $75.57 | 3 |
| Ucb, Inc. | $69.98 | 3 |
| Amgen Inc. | $54.07 | 3 |
What the 2025 payments were for
- Food and Beverage$620.14 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records