Piotr Wojciech Weglarz, DO
Family Medicine Physician · Peoria, IL
Piotr Wojciech Weglarz, DO is a family medicine physician with a practice address in Peoria, Illinois, and NPI 1477133346, issued on Apr 13, 2021. Check the license (Illinois 036172760, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Piotr Wojciech Weglarz
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036172760 IL
90200000X IL
Self-reported in NPPES; status is on the state search - Practice location
- 815 Main St Ste C, Peoria, IL 61602
- Phone
- (309) 672-4977
- Enumerated
- Apr 13, 2021
- Record last updated
- Dec 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20241220000809); accepts Medicare assignment
- Medical or professional school
- University Of Pikeville, Kentucky College Of Osteopathic Med, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 815 Main St Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patrece Barker, D.O., M.S.Family Medicine Physician1083337141
- Krishna Bathina, MDFamily Medicine Physician1194578260
- Elizabeth Bonillo, DOStudent in an Organized Health Care Education/Training Program1447044102
- Paige Bonner, DOStudent in an Organized Health Care Education/Training Program1093656654
- Calee Bresnahan, MDFamily Medicine Physician1841870151
Verify Piotr Wojciech Weglarz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036172760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
382 Medicare Part D claims for 70 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium39 claims
- Albuterol Sulfate Hfa19 claims
- Gabapentin15 claims
- Tamsulosin Hcl13 claims
- Levothyroxine Sodium12 claims
- Lisinopril12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Osf Multi-Specialty GroupPekin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Piotr Wojciech Weglarz among 6,215 family medicine physician records in Illinois
Piotr Wojciech Weglarz, DO is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2006 among the 3,714 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
134 family medicine physician records list a practice address in Peoria
They are 134 of the 4,621 NPPES records with a practice address in Peoria, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Peoria → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stephen Cary, M.D.Peoria, IL 616021114056140
- Darren Conklin, DOPeoria, IL 616021255451803
- John Coon, MDPeoria, IL 616021437163540
- Joan Golemon, MDPeoria, IL 616021710991633
- Thomas Golemon, MDPeoria, IL 616021619981370
- Craig Griebel, MDPeoria, IL 616021740294347
- Jay Harms, MDPeoria, IL 616021518075282
- Erin Martin, MDPeoria, IL 616021457573818
Common questions
What is Piotr Wojciech Weglarz, DO's NPI number?
Piotr Wojciech Weglarz, DO's National Provider Identifier (NPI) is 1477133346, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Piotr Wojciech Weglarz, DO located?
The NPPES record lists a practice address at 815 Main St Ste C, Peoria, IL, 61602. Phone: (309) 672-4977. Providers update this record themselves, so call before visiting.
How can I verify Piotr Wojciech Weglarz, DO's license?
NPPES lists Illinois license number 036172760, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Piotr Wojciech Weglarz, DO prescribe under Medicare Part D?
In 2024, Piotr Wojciech Weglarz, DO had 382 Medicare Part D claims for 70 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.