NPPES file of Aug 9, 2026

Jessica Diaz

Surgical Critical Care Physician · Chicago, IL

Jessica Diaz is a surgical critical care physician with a practice address in Chicago, Illinois, and NPI 1174086425, issued on Apr 12, 2019. Check the license (Illinois 036.176659, 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
1174086425
Name
Jessica Diaz
Primary taxonomy
Surgical Critical Care Physician 2086S0102X
License number
036.176659 IL
Self-reported in NPPES; status is on the state search
Practice location
1653 W Congress Pkwy # 12, Chicago, IL 60612
Phone
(312) 942-7100
Enumerated
Apr 12, 2019
Record last updated
Aug 27, 2025
Medicare enrollment
Enrolled (PECOS I20250910000476); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2019
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 1653 W Congress Pkwy # 12

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

  1. Zoha AhmedRegistered Nurse1073431987
  2. Peyton Anderson, RN, BSNStudent in an Organized Health Care Education/Training Program1164341954
  3. Brittany Bendoff, FNP-BCNurse Practitioner1760350292
  4. Tom IngramCritical Care Medicine Registered Nurse1881375657
  5. Louis JosephRegistered Nurse1033037288
  6. Shaniah LimCertified Registered Nurse Anesthetist1710668868

Verify Jessica Diaz 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 036.176659
    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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80% fewer Medicare Part D claims than the average surgical critical care physician in 2024

13 Medicare Part D claims, against an average of 64 among the 606 providers of this specialty who prescribed in Part D.

  1. Jessica Diaz13
  2. Specialty average64

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. Rush University Medical GroupChicago, IL

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

Jessica Diaz among 73 surgical critical care physician records in Illinois

Jessica Diaz is one of 73 surgical critical care physician records with a practice address in Illinois. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2019 · median 2007 among the 54 with a school on file
  • Record last updated2025 · 22% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0102X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Critical Care Physician providers in Illinois

There are 73 surgical critical care physician records in Illinois.

The 8 surgical critical care physician records with the nearest ZIP codes

  1. Jacob AvrahamChicago, IL 606121467713248
  2. Jennifer Glover, MDChicago, IL 606121376563742
  3. Emily Lewandowski, MDChicago, IL 606121720518996
  4. Kamana Mbekeani, M.DChicago, IL 606121912981374
  5. Alexander Sauper, MDChicago, IL 606121649441619
  6. Nicole Siparsky, M.D., F.A.C.S.Chicago, IL 606121265639652
  7. Krishnan Sriram, MDChicago, IL 606121598775835
  8. Adam AweChicago, IL 606111043892953

Common questions

What is Jessica Diaz's NPI number?

Jessica Diaz's National Provider Identifier (NPI) is 1174086425, issued on Apr 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Diaz located?

The NPPES record lists a practice address at 1653 W Congress Pkwy # 12, Chicago, IL, 60612. Phone: (312) 942-7100. Providers update this record themselves, so call before visiting.

How can I verify Jessica Diaz's license?

NPPES lists Illinois license number 036.176659, 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 Jessica Diaz prescribe under Medicare Part D?

In 2024, Jessica Diaz had 13 Medicare Part D claims; the average among surgical critical care physician prescribers was 64. 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.