Tomasz B. Woloszyn, MD
NPI 1811284714ActiveIndividual· Internal Medicine· Olean, NY
Internal Medicine (MD) in Olean, New York, licensed in NY, with an NPI issued in June 2011. Their prescriptions cost Medicare Part D more than their services did: $2,247,926 for 26,146 claims, against $158,859 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 27 companies reporting payments in 2025, $2,535 in all, mostly food and beverage. Lists Jones Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1811284714 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 30, 2011 |
| Last updated in NPPES | Jun 25, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 267534 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 435 |
|---|---|
| Services billed | 1,884 across 18 procedure codes |
| Paid by Medicare | $158,859 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26,146 · 43,210 30-day fills |
|---|---|
| Patients | 1,232 |
| Total drug cost | $2,247,926 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Jones Memorial HospitalWellsville, NY
- Olean General HospitalOlean, NY
- Upmc Chautauqua at WcaJamestown, NY
- Warren General HospitalWarren, PA
Other facilities
- Cattaraugus County Department of Health ChhaHome health agency · Olean, NY
- Vna of Western Ny ChhaHome health agency · Cheektowaga, NY
- Willcare Chha (Buffalo)Home health agency · Amherst, NY
Industry payments (Open Payments)
- 2025$2,535 · 144 payments from 27 companies
- 2024$3,423 · 174 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $554.13 | 28 |
| Lilly USA, LLC | $241.17 | 12 |
| Pfizer Inc. | $207.17 | 12 |
| Novo Nordisk Inc | $166.08 | 9 |
| Abbvie Inc. | $150.19 | 12 |
What the 2025 payments were for
- Food and Beverage$2,535 · 144 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 internal medicine physicians in Olean · All internal medicine physicians in New York