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

Dr. Gregory Paul Ruzich Jr., MD

Individual provider Family Medicine Physician · NPI 1558011759

Dr. Gregory Paul Ruzich Jr., MD is a Family Practice in Mokena, Illinois. Graduated from Rush Medical College of Rush University in 2022, 4 years ago. Practices with Central Dupage Physician Group, a 1,094-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
4
Trained at
Rush Medical College of Rush University
Licensed in
IL
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

21202 Owens Rd Ste 201
Mokena, IL 60448-2038
Phone: (779) 334-0020
Fax: (779) 334-0021
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036173012 (IL)

Record details

NPI number1558011759
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2022
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 2022 (4 years in practice)
Group practice Central Dupage Physician Group — 1094 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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