NPPES file of Aug 9, 2026

Daniel R. Kowalzyk, DO

Emergency Medicine Physician · Blue Island, IL

Daniel R. Kowalzyk, DO is an emergency medicine physician with a practice address in Blue Island, Illinois, and NPI 1184647752, issued on Jul 25, 2006. 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
1184647752
Name
Daniel R. Kowalzyk
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
Practice location
12935 S. Gregory St., Blue Island, IL 60406
Phone
(708) 597-2000
Enumerated
Jul 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(708) 824-4494
Medicare enrollment
Enrolled (PECOS I20080115000709); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1988
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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Verify Daniel R. Kowalzyk 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

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4.2 times the Medicare Part D claims of the average emergency medicine physician in 2024

957 Medicare Part D claims for 527 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Daniel Kowalzyk957
  2. Specialty average226

Most prescribed

  1. Naproxen156 claims
  2. Prednisone77 claims
  3. Tizanidine Hcl51 claims
  4. Methylprednisolone50 claims
  5. Cefdinir47 claims
  6. Ondansetron Odt47 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

  1. Harvey Emergency Physicians PLLCHarvey, IL

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

Daniel R. Kowalzyk among 3,291 emergency medicine physician records in Illinois

Daniel R. Kowalzyk, DO 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 68% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1988 · median 2012 among the 1,867 with a school on file
  • Record last updated2007 · 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).

10 emergency medicine physician records list a practice address in Blue Island

They are 10 of the 269 NPPES records with a practice address in Blue Island, and 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Christine Bishof, MDBlue Island, IL 604061992923288
  2. Jeffrey Bzdusek, DOBlue Island, IL 604061144266016
  3. Shilpa CheelaBlue Island, IL 604061952714560
  4. Kathryn Craig, M.D.Blue Island, IL 604061235122854
  5. Darryl Fleishman, M.D.Blue Island, IL 604061184670713
  6. Anthony Goldboss, MDBlue Island, IL 604061215022363
  7. Faheem Jesani, D.O.Blue Island, IL 604061366699670
  8. Mark Kirkwood, D.O.Blue Island, IL 604061609142520

Common questions

What is Daniel R. Kowalzyk, DO's NPI number?

Daniel R. Kowalzyk, DO's National Provider Identifier (NPI) is 1184647752, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Daniel R. Kowalzyk, DO located?

The NPPES record lists a practice address at 12935 S. Gregory St., Blue Island, IL, 60406. Phone: (708) 597-2000. Providers update this record themselves, so call before visiting.

How can I verify Daniel R. Kowalzyk, DO'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 Daniel R. Kowalzyk, DO prescribe under Medicare Part D?

In 2024, Daniel R. Kowalzyk, DO had 957 Medicare Part D claims for 527 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.