NPPES file of Aug 9, 2026

Joseph Di Piazza, M.D.

Emergency Medicine Physician · Oak Brook, IL

Joseph Di Piazza, M.D. is an emergency medicine physician with a practice address in Oak Brook, Illinois, and NPI 1972538148, issued on Jul 12, 2006. Check the license (Illinois 036091463, as entered in NPPES) 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
1972538148
Name
Joseph Di Piazza
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
036091463 IL
Self-reported in NPPES; status is on the state search
Practice location
2000 Spring RD., Oak Brook, IL 60523
Phone
(630) 472-8800
Enumerated
Jul 12, 2006
Record last updated
Aug 8, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(630) 472-9502
Medicare enrollment
Enrolled (PECOS I20031210000712); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1993
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 Joseph Di Piazza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036091463
    Check 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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80% fewer Medicare Part D claims than the average emergency medicine physician in 2024

45 Medicare Part D claims for 34 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Joseph Di Piazza45
  2. Specialty average226

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.

Joseph Di Piazza among 3,291 emergency medicine physician records in Illinois

Joseph Di Piazza, M.D. 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
  • Graduated1993 · median 2012 among the 1,867 with a school on file
  • Record last updated2008 · 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).

Emergency Medicine Physician providers in Illinois

There are 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Chris Gruber, M.D.Elgin, IL 605231093753287
  2. Obidike Nwakudu, MDOak Brook, IL 605231225238504
  3. Edmund Bolton, M.D.Hinsdale, IL 605211780658880
  4. Karen Cervenka, M.D.Hinsdale, IL 605211538238860
  5. Matthew Destefani, MDHinsdale, IL 605211992187074
  6. Daniel Elke, M.DHinsdale, IL 605211790234045
  7. Amanda Lipon, M.D.Hinsdale, IL 605211982016499
  8. Tracy Loudon, M.D.Hinsdale, IL 605211053607424

Common questions

What is Joseph Di Piazza, M.D.'s NPI number?

Joseph Di Piazza, M.D.'s National Provider Identifier (NPI) is 1972538148, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Di Piazza, M.D. located?

The NPPES record lists a practice address at 2000 Spring RD., Oak Brook, IL, 60523. Phone: (630) 472-8800. Providers update this record themselves, so call before visiting.

How can I verify Joseph Di Piazza, M.D.'s license?

NPPES lists Illinois license number 036091463, 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 Joseph Di Piazza, M.D. prescribe under Medicare Part D?

In 2024, Joseph Di Piazza, M.D. had 45 Medicare Part D claims for 34 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.