AIDAN MARIE EX-WILLEY PA-C
NPI 1114688918
Physician Assistant in Chicago, IL

Q: What is Aidan Ex-willey's NPI number?

The NPI number for Aidan Ex-willey is 1114688918. It was assigned to this individual provider in the NPPES registry on January 4, 2022.

Q: What is Aidan Ex-willey's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Aidan Ex-willey was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.

Active since January 04, 2022PECOS EnrolledAccepts Medicare Assignment

676 N SAINT CLAIR ST STE 2030, CHICAGO, IL 60611(312) 926-6831(312) 926-2200 Get Directions Write a Review

NPPES record last updated: March 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 26, 2026, Sep 7, 2023, Jan 17, 2022 and 1 more (4 updates tracked since 2022).

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About Aidan Marie Ex-willey Pa-c NPPES

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

AIDAN MARIE EX-WILLEY PA-C (NPI 1114688918) is an individual physician assistant in Chicago, Illinois, licensed in Illinois (085.009886) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Northwestern University Feinberg Medical School (2023).

NPPES Registry Identity

NPI1114688918

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameAIDAN MARIE EX-WILLEYCredential: PA-C

Location Address676 N SAINT CLAIR ST STE 2030Chicago, IL 60611-2830

Mailing Address676 N Saint Clair St Ste 2030Chicago, IL 60611-2830 · (312) 926-6831 · Fax (312) 926-2200

Phone(312) 926-6831

Fax(312) 926-2200

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2023

Enumeration DateJanuary 4, 2022

Last NPPES UpdateMarch 26, 20264 updates tracked since enumeration

NPPES CertifiedMarch 26, 2026

✔ NPI 1114688918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in IL · 085.009886

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.

676 N SAINT CLAIR ST STE 2030, Chicago, IL 60611

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Other Identifiers 1

Medicaid085.009886IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

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

Aidan Marie Ex-willey 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 ID8123472446

PECOS Enrollment IDI20230920002775

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.

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook 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 13

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

CHRISTINE J SCHAEFFER MD

Internal Medicine