Gregory M. Mavrovic, PHARMD
Pharmacist · Chicago, IL
Gregory M. Mavrovic, PHARMD is a pharmacist with a practice address in Chicago, Illinois, and NPI 1417239120, issued on Sep 20, 2011. Check the license (Illinois 051.293643, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory M. Mavrovic
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 051.293643 IL
Self-reported in NPPES; status is on the state search - Practice location
- 11833 S Western Ave, Chicago, IL 60643
- Phone
- (773) 233-2245
- Enumerated
- Sep 20, 2011
- Record last updated
- Sep 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 9,744 in Illinois → Look up another NPI →
Also registered at 11833 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Barry, PHARMDPharmacist1306120894
- Rebecca Lizcano, RPHPharmacist1811272982
- Stacy Pellegrini, RPHPharmacist1205103801
Verify Gregory M. Mavrovic in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 051.293643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
44 Medicare Part D claims for 35 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix17 claims
- Abrysvo16 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.
Gregory M. Mavrovic among 9,744 pharmacist records in Illinois
Gregory M. Mavrovic, PHARMD is one of 9,744 pharmacist records with a practice address in Illinois. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 16% of them.
- NPI issued2011 · 16% of these records are older, 62% newer
- In a Medicare fileYes · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,906 pharmacist records list a practice address in Chicago
They are 1,906 of the 63,379 NPPES records with a practice address in Chicago, and 9,744 pharmacist records in Illinois.
All 9,744 in Illinois → Every provider in Chicago → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Salam Al-Ramahi, RPHChicago, IL 606431134496730
- Laura Armstrong, PHARMDChicago, IL 606431851678742
- Julie Barry, PHARMDChicago, IL 606431306120894
- Calvin Bryant, PHARMACISTChicago, IL 606431487850095
- Beverly Bunn, RPHChicago, IL 606431104103118
- Margaret Felczak, PHARM.D.Chicago, IL 606431437163250
- Imraan IsapChicago, IL 606431679869796
- Justine Janociak, PHARM.D.Chicago, IL 606431376679183
Common questions
What is Gregory M. Mavrovic, PHARMD's NPI number?
Gregory M. Mavrovic, PHARMD's National Provider Identifier (NPI) is 1417239120, issued on Sep 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Gregory M. Mavrovic, PHARMD located?
The NPPES record lists a practice address at 11833 S Western Ave, Chicago, IL, 60643. Phone: (773) 233-2245. Providers update this record themselves, so call before visiting.
How can I verify Gregory M. Mavrovic, PHARMD's license?
NPPES lists Illinois license number 051.293643, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory M. Mavrovic, PHARMD prescribe under Medicare Part D?
In 2024, Gregory M. Mavrovic, PHARMD had 44 Medicare Part D claims for 35 beneficiaries; the average among pharmacist prescribers was 119. 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.