David Edward Twardzik, M.D.
NPI 1457422925ActiveIndividual· Dermatology· Quakertown, PA
Dermatology (M.D.) in Quakertown, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 1998). 864 Medicare patients in 2024, $378,854 paid; nearly all of their 418 Part D prescriptions were generic (94%). Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,231 in all, mostly food and beverage.
Overview
| NPI | 1457422925 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | MD072426L | 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 | 864 |
|---|---|
| Services billed | 6,956 across 43 procedure codes |
| Paid by Medicare | $378,854 |
Part D prescriptions in 2024
| Prescriptions (claims) | 418 · 438 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $15,342 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Dermatology |
Medical groups
- Complete Dermatology Center PCQuakertown, PA · 3 clinicians
- Cdc Allentown PCAllentown, PA · 3 clinicians
Industry payments (Open Payments)
- 2025$1,231 · 66 payments from 13 companies
- 2024$1,343 · 83 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $279.95 | 19 |
| Sun Pharmaceutical Industries Inc. | $197.72 | 10 |
| Lumenis Be Inc | $175.01 | 1 |
| Janssen Biotech, Inc. | $162.77 | 14 |
| Amgen Inc. | $95.08 | 5 |
What the 2025 payments were for
- Food and Beverage$1,221 · 65 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Quakertown
- 1871853234