William Francis Bilski, D. O.
NPI 1619922598ActiveIndividual· Family Medicine· Newark, DE
Family Medicine (D. O.) in Newark, Delaware, trained at Philadelphia College of Osteopathic Medicine (class of 1988). Part D covered 3,625 prescriptions written in 2024, 91% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $430.86 in all, mostly food and beverage.
Overview
| NPI | 1619922598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D. O. |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Nov 14, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | C20003381 | DE |
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 - Family Practice (DE) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 3,625 · 7,847 30-day fills |
|---|---|
| Patients | 284 |
| Total drug cost | $263,677 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Family Practice |
Hospital affiliation
- Christiana HospitalNewark, DE
Other facilities
- Christianacare HomehealthHome health agency · Wilmington, DE
Industry payments (Open Payments)
- 2025$430.86 · 24 payments from 7 companies
- 2024$455.94 · 14 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $257.32 | 15 |
| Abbott Laboratories | $60.87 | 3 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $40.40 | 2 |
| Exact Sciences Corporation | $19.83 | 1 |
| Glaxosmithkline, LLC. | $18.58 | 1 |
What the 2025 payments were for
- Food and Beverage$430.86 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Newark
- 1922134899
- 1194996058
- 1205013661
- 1083083216
- 1548111487
- 1528339108
- 1386246940
- 1750579017
- 1518978436
- 1295885333
- 1316194616
- 1578596649