NPPES file of Aug 9, 2026

Carson James Del Greco, MD

Emergency Medicine Physician · Chicago, IL

Carson James Del Greco, MD is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1720780158, issued on Mar 20, 2023. Check the license (Illinois 125.081737, 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
1720780158
Name
Carson James Del Greco
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
125.081737 IL
Self-reported in NPPES; status is on the state search
Practice location
Northwestern Memorial Hospital 251 East Huron Street, Chicago, IL 60611
Phone
(312) 926-2000
Enumerated
Mar 20, 2023
Record last updated
May 23, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Carson James Del Greco 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 125.081737
    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

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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88% fewer Medicare Part D claims than the average emergency medicine physician in 2024

26 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Carson Del Greco26
  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.

Carson James Del Greco among 3,291 emergency medicine physician records in Illinois

Carson James Del Greco, 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 2023, is newer than 89% of them.

  • NPI issued2023 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2023 · 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).

1,310 emergency medicine physician records list a practice address in Chicago

They are 1,310 of the 63,379 NPPES records with a practice address in Chicago, and 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. James Adams, MDChicago, IL 606111912993411
  2. Amer Aldeen, MDChicago, IL 606111124069000
  3. John Bailitz, M.D.Chicago, IL 606111710988654
  4. Emily Baran, MDChicago, IL 606111568407641
  5. George Chiampas, D.O.Chicago, IL 606111538169636
  6. Matthew Kippenhan, MDChicago, IL 606111639106974
  7. Amy Kontrick, MDChicago, IL 606111215973367
  8. Theodore Koutouzis, MDChicago, IL 606111891773321

Common questions

What is Carson James Del Greco, MD's NPI number?

Carson James Del Greco, MD's National Provider Identifier (NPI) is 1720780158, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Carson James Del Greco, MD located?

The NPPES record lists a practice address at Northwestern Memorial Hospital 251 East Huron Street, Chicago, IL, 60611. Phone: (312) 926-2000. Providers update this record themselves, so call before visiting.

How can I verify Carson James Del Greco, MD's license?

NPPES lists Illinois license number 125.081737, 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 Carson James Del Greco, MD prescribe under Medicare Part D?

In 2024, Carson James Del Greco, MD had 26 Medicare Part D claims for 24 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.