NPPES file of Aug 9, 2026

Jennifer Rose Defazio, M.D.

Pediatric Surgery Physician · Chicago, IL

Jennifer Rose Defazio, M.D. is a pediatric surgery physician with a practice address in Chicago, Illinois, and NPI 1235441429, issued on Jul 5, 2010. 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235441429
Name
Jennifer Rose Defazio
Credential
M.D.
Primary taxonomy
Pediatric Surgery Physician 2086S0120X
License number
288868-1 NY
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(773) 702-1000
Enumerated
Jul 5, 2010
Record last updated
Jan 23, 2020 (not updated in 6 years: call before relying on the address or phone)
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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Also registered at 5841 S Maryland Ave

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

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Jennifer Rose Defazio 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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The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Pediatric Surgery Physician providers in Illinois

There are 70 pediatric surgery physician records in Illinois.

All 70 in Illinois → Every provider in Chicago →

Other pediatric surgery physician records in Illinois

  1. Fizan Abdullah, M.D.Maywood, IL1689637472
  2. Mohammed Ageel, M.D.Springfield, IL1932441623
  3. Amir Alhajjat, M.B.B.SChicago, IL1841578457
  4. Charles Aprahamian, MDPeoria, IL1033323902
  5. Guillermo Ares Maisonet, MDMaywood, IL1942542105
  6. Marielena Bachier-Rodriguez, MDChicago, IL1376839969
  7. Erik Barthel, MDChicago, IL1417141904
  8. Angel Bassuk, MDSkokie, IL1407089923
  9. William Buntain, MDRockford, IL1700902608
  10. Alejandra Casar Berazaluce, MD, MSCChicago, IL1518329077

Common questions

What is Jennifer Rose Defazio, M.D.'s NPI number?

Jennifer Rose Defazio, M.D.'s National Provider Identifier (NPI) is 1235441429, issued on Jul 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Rose Defazio, M.D. located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (773) 702-1000. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Rose Defazio, M.D.'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.

What is Jennifer Rose Defazio, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.