NPPES file of Aug 9, 2026

Andrew Zwolski, MD

Emergency Medicine Physician · Joliet, IL

Andrew Zwolski, MD is an emergency medicine physician with a practice address in Joliet, Illinois, and NPI 1891795126, issued on Jul 28, 2005. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891795126
Name
Andrew Zwolski
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
Practice location
333 Madison St, Joliet, IL 60435
Phone
(815) 725-7133
Enumerated
Jul 28, 2005
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20210816001341); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 333 Madison St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Midhun Ajikumar, PA-CPhysician Assistant1437991080
  2. Janine Andriusis, D.O.Emergency Medicine Physician1356581037
  3. Kellie BaileyRegistered Dietitian1447699707
  4. Tamara Baird, FNPFamily Nurse Practitioner1114417391
  5. Valbona Behaj, M.D.Internal Medicine Physician1407011588
  6. Christopher Berg, DOEmergency Medicine Physician1003816323

Verify Andrew Zwolski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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20% fewer Medicare Part D claims than the average emergency medicine physician in 2024

181 Medicare Part D claims for 131 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Andrew Zwolski181
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt18 claims
  2. Sulfamethoxazole-Trimethoprim18 claims
  3. Cephalexin13 claims
  4. Azithromycin12 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

  1. Marshall Medical Center SouthBoaz, AL
  2. Rochelle Community Hospital AssociationRochelle, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Andrew Zwolski among 3,291 emergency medicine physician records in Illinois

Andrew Zwolski, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% 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, 94% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1996 · median 2012 among the 1,867 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 emergency medicine physician records list a practice address in Joliet

They are 28 of the 2,047 NPPES records with a practice address in Joliet, and 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Janine Andriusis, D.O.Joliet, IL 604351356581037
  2. Christopher Berg, DOJoliet, IL 604351003816323
  3. Ciro Iandoli, MDJoliet, IL 604351477614642
  4. Daniel Magdziarz, DOJoliet, IL 604351689674079
  5. Matthew Nitsche, MDJoliet, IL 604351043210446
  6. Claude Sadovsky, MDJoliet, IL 604351356341713
  7. Surander Singhal, MDJoliet, IL 604351609876069
  8. Jennifer Smith-Garcia, MDJoliet, IL 604351962643452

Common questions

What is Andrew Zwolski, MD's NPI number?

Andrew Zwolski, MD's National Provider Identifier (NPI) is 1891795126, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Zwolski, MD located?

The NPPES record lists a practice address at 333 Madison St, Joliet, IL, 60435. Phone: (815) 725-7133. Providers update this record themselves, so call before visiting.

How can I verify Andrew Zwolski, MD's license?

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 Andrew Zwolski, MD prescribe under Medicare Part D?

In 2024, Andrew Zwolski, MD had 181 Medicare Part D claims for 131 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.