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Family Practice

Piotr W. Weglarz, DO

Works at hospitals in Peoria, IL · Illinois

Summary

Dr. Piotr W. Weglarz, DO is a family doctor at 3422 A Court St, Pekin, IL 61554. Phone: (309) 477-6000. Accepts Medicare assignment. NPI 1477133346. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 3422 A Court St, Pekin, IL 61554 · Directions (2 more locations)
  • Phone: (309) 477‑6000
  • Medicare: Accepts Medicare assignment
  • Hospital: Saint Francis Medical Center
  • Group practice: OSF Multi-Specialty Group (+1 more)
  • Medical school: University Of Pikeville, Kentucky College Of Osteopathic Med · graduated 2021 (5 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Piotr W. Weglarz, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Piotr W. Weglarz accept Medicare assignment?
Yes. Medicare's clinician data says Piotr W. Weglarz 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.
What is Piotr W. Weglarz's NPI number?
1477133346. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Piotr W. Weglarz works

Medicare's Facility Affiliation Data lists Piotr W. Weglarz 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.

Practice locations

Addresses where Piotr W. Weglarz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Piotr W. Weglarz as a member of these groups (CMS data updated October 2, 2026).

  • OSF Multi-Specialty Group2,114 clinicians in the group
  • Advanced Physical Therapy Services, Ltd.223 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Pekin

Clinicians with the same Medicare primary specialty in Pekin, IL — not a recommendation.

All family doctors in Pekin →

Other clinicians in OSF Multi-Specialty Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolUniversity Of Pikeville, Kentucky College Of Osteopathic Med
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1477133346
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians