David J. Kosiorek, PA C
NPI 1083604144ActiveIndividual· Physician Assistant· Port Richey, FL
Physician Assistant (PA C) with Lumen Dermatology LLC, practicing in Port Richey, Florida. 630 Medicare patients in 2024, $1,105,088 paid; nearly all of their 517 Part D prescriptions were generic (96%). Ucb, Inc. was the largest of 4 companies reporting payments in 2025, $222.64 in all, mostly food and beverage.
Overview
| NPI | 1083604144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA C |
| Sole proprietor | Yes |
| NPI issued | Oct 28, 2005 |
| Last updated in NPPES | Aug 29, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA9101567 | FL |
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 - Physician Assistant (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 630 |
|---|---|
| Services billed | 11,659 across 82 procedure codes |
| Paid by Medicare | $1,105,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 517 · 532 30-day fills |
|---|---|
| Patients | 301 |
| Total drug cost | $13,651 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Lumen Dermatology LLCOcala, FL · 2 clinicians
Industry payments (Open Payments)
- 2025$222.64 · 6 payments from 4 companies
- 2024$100.39 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $114.97 | 1 |
| Abbvie Inc. | $68.87 | 3 |
| Kerecis Limited | $20.59 | 1 |
| Convatec Inc. | $18.21 | 1 |
What the 2025 payments were for
- Food and Beverage$222.64 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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