Quick answers
- Does Tomasz B. Woloszyn accept Medicare assignment?
- Yes. Medicare's clinician data says Tomasz B. Woloszyn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tomasz B. Woloszyn see?
- In 2024, CMS data shows 435 Original Medicare patients and 1,884 services for Tomasz B. Woloszyn. This counts Original Medicare only and measures volume, not quality.
- What is Tomasz B. Woloszyn's NPI number?
- 1811284714. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tomasz B. Woloszyn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 435 |
|---|---|
| Services billed to Medicare | 1,884 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,038 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)438 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)213 services
- Removal of impacted ear wax (69210)36 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)35 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Anxiety45%
- Arthritis42%
- Depression38%
- Diabetes31%
Hospitals where Tomasz B. Woloszyn works
Medicare's Facility Affiliation Data lists Tomasz B. Woloszyn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Jones Memorial HospitalWellsville, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330096
- Olean General HospitalOlean, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330103
- UPMC Chautauqua at WcaJamestown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330239
Practice locations
Addresses where Tomasz B. Woloszyn is enrolled with Medicare (CMS data updated October 2, 2026).
- 2223 W State St, Suite 110Olean, NY 14760 (716) 379‑8139
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Olean
Clinicians with the same Medicare primary specialty in Olean, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811284714 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians