Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael Grzeskowiak

Individual provider Cardiovascular Disease Physician · NPI 1215469218

Michael Grzeskowiak is a Cardiovascular Disease (Cardiology) in Peoria, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2017, 9 years ago. Practices with Osf Multi-Specialty Group, a 2,128-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
9
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
In the registry since
2017

Practice location Address checks out

5405 N Knoxville Ave
Peoria, IL 61614-5016
Phone: (309) 691-4410
Fax: (309) 692-4730
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4502 Medical Dr, San Antonio, TX 78229-4402 — (224) 619-5482

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 036171425 (IL)

Record details

NPI number1215469218
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 29, 2017
Last updated in NPPESDecember 3, 2024
Certification dateDecember 3, 2024
Mailing address5405 N Knoxville Ave, Peoria, IL 61614-5016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Osf Multi-Specialty Group — 2128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations8 on file with Medicare

Other providers in Peoria