Catherine Malewicz, MD
Family Medicine Physician · Chicago, IL
Catherine Malewicz, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1427519818, issued on Mar 27, 2019. Check the license (Illinois 036159932, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Catherine Malewicz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036159932 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4445 W Irving Park RD Ste 320, Chicago, IL 60641
- Phone
- (312) 926-3627
- Enumerated
- Mar 27, 2019
- Record last updated
- Feb 4, 2024
- Fax
- (312) 921-1002
- Medicare enrollment
- Enrolled (PECOS I20240131004775); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2019
- 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 4445 W Irving Park RD Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Malewicz 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 036159932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
689 Medicare Part D claims for 82 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium62 claims
- Lisinopril36 claims
- Escitalopram Oxalate30 claims
- Losartan Potassium29 claims
- Metformin Hcl27 claims
- Hydrochlorothiazide26 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 2 group practices
- Dynamic Physical Therapy, Inc.Oak Park, IL
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Malewicz among 6,215 family medicine physician records in Illinois
Catherine Malewicz, 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 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · 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).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marie Altimari, M.D.Chicago, IL 606411538375530
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- Steven Comrov, M.D.Chicago, IL 606411205885282
- Javier Flores, M.D.,M.P.H.Chicago, IL 606411164445854
- Joanna Lepkowski, M.D.Chicago, IL 606411457441669
- Rebecca Levine, M.D.Chicago, IL 606411841553294
- Betsy Luka, M.D.Chicago, IL 606411417202268
- Brian Lynch, MDChicago, IL 606411942330535
Common questions
What is Catherine Malewicz, MD's NPI number?
Catherine Malewicz, MD's National Provider Identifier (NPI) is 1427519818, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Malewicz, MD located?
The NPPES record lists a practice address at 4445 W Irving Park RD Ste 320, Chicago, IL, 60641. Phone: (312) 926-3627. Providers update this record themselves, so call before visiting.
How can I verify Catherine Malewicz, MD's license?
NPPES lists Illinois license number 036159932, 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 Catherine Malewicz, MD prescribe under Medicare Part D?
In 2024, Catherine Malewicz, MD had 689 Medicare Part D claims for 82 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.