Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Stephen M. Laskowski, DO

Works at hospitals in Dunkirk, NY · Olean, NY · Jamestown, NY · New York

Summary

Stephen M. Laskowski, DO (Internal Medicine) is listed by Medicare at 3 hospitals in Dunkirk, NY, Olean, NY and Jamestown, NY. NPI 1639145675. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen M. Laskowski, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
University Of New England, College Of Osteo MedicineMedical school
MaleGender (as listed)
Great Lakes Physician Practice PCGroup practice (+1 more)

Quick answers

Which hospitals does Stephen M. Laskowski work at?
Medicare's official clinician data lists Stephen M. Laskowski at 3 hospitals: Brooks-Tlc Hospital System, Inc, Olean General Hospital and UPMC Chautauqua at Wca. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephen M. Laskowski see patients?
Medicare's clinician data lists 2 practice locations, including Fredonia, NY and Olean, NY. Call before your visit to confirm the address.
What is Stephen M. Laskowski's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Stephen M. Laskowski accept Medicare assignment?
Yes. Medicare's clinician data says Stephen M. Laskowski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Stephen M. Laskowski?
(716) 679-2233, as listed in official Medicare / NPI Registry data.
What is Stephen M. Laskowski's NPI number?
1639145675. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen M. Laskowski works

Medicare's Facility Affiliation Data lists Stephen M. Laskowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Stephen M. Laskowski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephen M. Laskowski as a member of these groups (CMS data updated 2026-10-02).

  • Great Lakes Physician Practice PC144 clinicians in the group
  • Olean General Hospital90 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Fredonia

Clinicians with the same Medicare primary specialty in Fredonia, NY — not a recommendation.

All internal medicine doctors in Fredonia →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639145675
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians