Margaret H. Zabiega, M.D.
Hospitalist Physician · Joliet, IL
Margaret H. Zabiega, M.D. is a hospitalist physician with a practice address in Joliet, Illinois, and NPI 1578564654, issued on Aug 10, 2005. Check the license (Illinois 036110941, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Margaret H. Zabiega
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036110941 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Glenwood Ave, Joliet, IL 60435
- Phone
- (815) 725-2121
- Enumerated
- Aug 10, 2005
- Record last updated
- Aug 29, 2023
- Medicaid ID
- 200503120 IN
- Medicare enrollment
- Enrolled (PECOS I20061214000407); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 2100 Glenwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matheena Akhtar, M.D.Pediatrics Physician1447296991
- Sherri Albert, APNNurse Practitioner1013382209
- Irfan Alhayani, MDHospitalist Physician1316036692
- Grace Anderson, PT, DPTPhysical Therapist1447064134
- Jose Becerra, PTPhysical Therapist1629248703
- Alyssa Brown, MSOTR/LOccupational Therapist1487189551
Verify Margaret H. Zabiega 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 036110941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average hospitalist physician in 2024
262 Medicare Part D claims for 156 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 16 claims were for opioids.
Most prescribed
- Pantoprazole Sodium18 claims
- Cephalexin17 claims
- Hydrocodone-Acetaminophen13 claims
- Cefuroxime11 claims
- Metoprolol Succinate11 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
- Dupage Medical Group LtdJoliet, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret H. Zabiega among 1,535 hospitalist physician records in Illinois
Margaret H. Zabiega, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2001 · median 2013 among the 1,339 with a school on file
- Record last updated2023 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Joliet → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Irfan Alhayani, MDJoliet, IL 604351316036692
- Mark Diamond, D.O.Joliet, IL 604351265402804
- Travis Gayles, MD, PHDJoliet, IL 604351184850653
- Sarfaraz Haque, MDJoliet, IL 604351396939914
- Maria Latif, MDJoliet, IL 604351063620607
- Nitesh Thakker, M.D.Joliet, IL 604351952480295
- Omer Yusaf, MDJoliet, IL 604351669585956
- Ahmet Sakiri, MDLemont, IL 604391447900378
Common questions
What is Margaret H. Zabiega, M.D.'s NPI number?
Margaret H. Zabiega, M.D.'s National Provider Identifier (NPI) is 1578564654, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret H. Zabiega, M.D. located?
The NPPES record lists a practice address at 2100 Glenwood Ave, Joliet, IL, 60435. Phone: (815) 725-2121. Providers update this record themselves, so call before visiting.
How can I verify Margaret H. Zabiega, M.D.'s license?
NPPES lists Illinois license number 036110941, 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 Margaret H. Zabiega, M.D. prescribe under Medicare Part D?
In 2024, Margaret H. Zabiega, M.D. had 262 Medicare Part D claims for 156 beneficiaries; the average among hospitalist physician prescribers was 521. 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.