Dennis A. Dobrzynski, MD
NPI 1942223144ActiveIndividual· Internal Medicine, Hematology & Oncology· Butler, PA
Internal Medicine, Hematology & Oncology (MD) with Oncology Hematology Association Inc, practicing in Butler, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $2,720,129 for 967 claims, against $243,018 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 8 companies reporting payments in 2025, $438.97 in all, mostly food and beverage. Lists Acmh Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1942223144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Oct 28, 2021 |
| Certified by provider | Oct 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD468908 | PA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 0101239089 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 162 |
|---|---|
| Services billed | 28,296 across 72 procedure codes |
| Paid by Medicare | $243,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 967 · 1,410 30-day fills |
|---|---|
| Patients | 195 |
| Total drug cost | $2,720,129 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Medical Oncology |
Medical group
- Oncology Hematology Association IncPittsburgh, PA · 202 clinicians
Hospital affiliations
- Acmh HospitalKittanning, PA
- Independence Health System Butler Memorial HospitaButler, PA
- Independence Health System Clarion HospitalClarion, PA
- Magee Womens Hospital of Upmc Health SystemPittsburgh, PA
- Upmc NorthwestSeneca, PA
Industry payments (Open Payments)
- 2025$438.97 · 24 payments from 8 companies
- 2024$792.44 · 47 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $179.87 | 11 |
| E.R. Squibb & Sons, L.L.C. | $87.37 | 5 |
| Abbvie Inc. | $49.69 | 2 |
| Daiichi Sankyo Inc. | $45.66 | 2 |
| Pfizer Inc. | $25.50 | 1 |
What the 2025 payments were for
- Food and Beverage$438.97 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Hematology & Oncology providers in Pennsylvania →