NPPES file of Aug 9, 2026

Jennifer Mary Duff, APN

Pediatric Nurse Practitioner · Chicago, IL

Jennifer Mary Duff, APN is a pediatric nurse practitioner with a practice address in Chicago, Illinois, and NPI 1033148796, issued on Jul 2, 2006. Check the license (Illinois 209-001911, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033148796
Name
Jennifer Mary Duff
Credential
APN
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License number
209-001911 IL
Self-reported in NPPES; status is on the state search
Practice location
1900 W Polk St, Chicago, IL 60612
Phone
(312) 864-4150
Enumerated
Jul 2, 2006
Record last updated
Mar 7, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(312) 864-9906
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 1900 W Polk St

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

  1. Carmen Adams, M.D.Obstetrics & Gynecology Physician1972864338
  2. Sarah Ahmed, CRNACertified Registered Nurse Anesthetist1023395134
  3. Steven Aks, DOMedical Toxicology (Emergency Medicine) Physician1295810356
  4. Irene Aluen Metzner, M.D.Internal Medicine Physician1063698819
  5. Alejandra Argueta, PA-CPhysician Assistant1407980337
  6. Annamarie Arias, M.D.Pediatrics Physician1851731756

Verify Jennifer Mary Duff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209-001911    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
Find 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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Pediatric Nurse Practitioner providers in Illinois

There are 687 pediatric nurse practitioner records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 687 in Illinois → Every provider in Chicago →

Other pediatric nurse practitioner records in Illinois

  1. Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACOak Lawn, IL1831904663
  2. Diedra Ahlert, CPNP-PCCollinsville, IL1508475294
  3. Carrie Alden, APN NPChicago, IL1285662189
  4. Cathy Alvarez, CPNPChicago, IL1649426792
  5. Suzanne Amaro, FNPChicago, IL1992124572
  6. Tracy Andersen, PNPSpringfield, IL1295826717
  7. Vicki Andreoni, DNP, RN, CPNPMaywood, IL1710920962
  8. Catherine Angle, APHChicago, IL1578752812
  9. Inger Anthony, APNChicago, IL1871769752
  10. Tiffany ArensonChicago, IL1841910536

Common questions

What is Jennifer Mary Duff, APN's NPI number?

Jennifer Mary Duff, APN's National Provider Identifier (NPI) is 1033148796, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Mary Duff, APN located?

The NPPES record lists a practice address at 1900 W Polk St, Chicago, IL, 60612. Phone: (312) 864-4150. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Mary Duff, APN's license?

NPPES lists Illinois license number 209-001911, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.