Witold Boleslaw Rybka, MD
NPI 1881643047ActiveIndividual· Internal Medicine, Hematology & Oncology· Hershey, PA
Internal Medicine, Hematology & Oncology (MD) in Hershey, Pennsylvania, licensed in PA, with an NPI issued in May 2006. National Marrow Donor Program was the largest of 2 companies reporting payments in 2025, $1,076 in all, mostly honoraria.
Overview
| NPI | 1881643047 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 8, 2006 |
| Last updated in NPPES | Mar 3, 2020 |
| Certified by provider | Mar 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD044968L | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$1,076 · 6 payments from 2 companies
- 2024$2,381 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| National Marrow Donor Program | $1,000 | 5 |
| Kite Pharma, Inc. | $76.45 | 1 |
What the 2025 payments were for
- Honoraria$1,000 · 5 payments
- Food and Beverage$76.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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