Gregory Paul Ruzich, MD
Family Medicine Physician · Mokena, IL
Gregory Paul Ruzich, MD is a family medicine physician with a practice address in Mokena, Illinois, and NPI 1558011759, issued on Mar 28, 2022. Check the license (Illinois 036173012, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory Paul Ruzich
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036173012 IL
Self-reported in NPPES; status is on the state search - Practice location
- 21202 Owens RD Ste 201, Mokena, IL 60448
- Phone
- (779) 334-0020
- Enumerated
- Mar 28, 2022
- Record last updated
- Sep 11, 2025
- Fax
- (779) 334-0021
- Medicare enrollment
- Enrolled (PECOS I20250606002550); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 21202 Owens RD Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren BarnesPhysician Assistant1720480593
- Galia Beitner, D.O.Family Medicine Physician1407879398
- Coleen Carney, APN/CNPNurse Practitioner1831422740
- Diana Chojna, APRN, CNPNurse Practitioner1396553186
- Gabriela Delgado, M.D.Family Medicine Physician1487970471
- Alexander Lin, MDObstetrics & Gynecology Physician1649208323
Verify Gregory Paul Ruzich 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 036173012Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family medicine physician in 2024
795 Medicare Part D claims for 131 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium79 claims
- Metoprolol Succinate31 claims
- Ozempic30 claims
- Albuterol Sulfate Hfa26 claims
- Levothyroxine Sodium24 claims
- Metformin Hcl24 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
- Central Dupage Physician GroupMokena, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Paul Ruzich among 6,215 family medicine physician records in Illinois
Gregory Paul Ruzich, MD 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2006 among the 3,714 with a school on file
- Record last updated2025 · 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).
17 family medicine physician records list a practice address in Mokena
They are 17 of the 523 NPPES records with a practice address in Mokena, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Mokena → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Galia Beitner, D.O.Mokena, IL 604481407879398
- Sital Bhargava, DOMokena, IL 604481093766420
- Rebecca Crainsmith, MDMokena, IL 604481528175015
- Michele Danaher, MDMokena, IL 604481679561773
- Gabriela Delgado, M.D.Mokena, IL 604481487970471
- Michael Demaertelaere, DOMokena, IL 604481982779237
- Theodore Jefferson, M.D.Mokena, IL 604481568495091
- Julie Limon, MDMokena, IL 604481770635989
Common questions
What is Gregory Paul Ruzich, MD's NPI number?
Gregory Paul Ruzich, MD's National Provider Identifier (NPI) is 1558011759, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Paul Ruzich, MD located?
The NPPES record lists a practice address at 21202 Owens RD Ste 201, Mokena, IL, 60448. Phone: (779) 334-0020. Providers update this record themselves, so call before visiting.
How can I verify Gregory Paul Ruzich, MD's license?
NPPES lists Illinois license number 036173012, 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 Gregory Paul Ruzich, MD prescribe under Medicare Part D?
In 2024, Gregory Paul Ruzich, MD had 795 Medicare Part D claims for 131 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.