Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MADELINE C DUFFNER PA-C
NPI 1851099832
Physician Assistant in Chicago, IL

Active since February 20, 2023PECOS Enrolled
251 E HURON ST STE 12-736, CHICAGO, IL 60611(312) 926-2912(312) 926-7404 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 18, 2026, Mar 20, 2026, Aug 18, 2023 and 1 more (4 updates tracked since 2023).

About Madeline C Duffner Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MADELINE C DUFFNER PA-C (NPI 1851099832) is an individual physician assistant in Chicago, Illinois, licensed in Illinois (085009823) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1851099832
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMADELINE C DUFFNERCredential: PA-C
Location Address251 E HURON ST STE 12-736Chicago, IL 60611-2908
Mailing Address251 E Huron St Ste 12-736Chicago, IL 60611-2908 · (312) 926-2912 · Fax (312) 926-7404
Fax(312) 926-7404
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateFebruary 20, 2023
Last NPPES UpdateAugust 18, 20264 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
NPI 1851099832 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in IL · 085009823
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 085009823 (IL)
251 E HURON ST STE 12-736, Chicago, IL 60611

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Madeline C Duffner Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416311915
PECOS Enrollment IDI20230918001272
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
251 E HURON ST STE 12-736
CHICAGO, IL 60611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Madeline Duffner's NPI number?

The NPI number for Madeline Duffner is 1851099832. It was assigned to this individual provider in the NPPES registry on February 20, 2023.

Where is Madeline Duffner located?

Madeline Duffner practices at 251 E Huron St Ste 12-736, Chicago, IL 60611. The listed phone number is (312) 926-2912.

What is Madeline Duffner's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Madeline Duffner enrolled in Medicare?

Yes. Madeline Duffner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Madeline Duffner affiliated with any hospitals?

According to CMS data, Madeline Duffner is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for Madeline Duffner was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.