Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1114688918 Individual Practitioner Female Practitioner

Aidan Marie Ex-Willey , PA-C

Physician Assistant • Chicago, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Aidan Ex-Willey, PA-C is a certified Physician Assistant practicing in Chicago, IL. With approximately 3 years of clinical experience since graduating from Northwestern University Feinberg Medical School in 2023, Aidan Ex-Willey delivers high-quality medical care to the local community at 676 N SAINT CLAIR ST STE 2030.

Aidan Ex-Willey maintains professional affiliations with Northwestern Medical Faculty Foundation, Howard Brown Health Center and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

676 N Saint Clair St Ste 2030

Chicago, IL 606112830

Telephone 3129266831
Fax 3129262200

Medicare Profile & Education

Medical School

Northwestern University Feinberg Medical School

Graduation Year

2023

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Chicago, IL

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
3 Yrs -4.8 yrs vs City Avg
City Avg: 7.8 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
1451 Specialists

Practicing in Chicago, IL (4958 Statewide)

Telehealth Adoption Rate
17.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ex-Willey (3 Years) 3 Yrs
Chicago Specialty Average (7.8 Years) 7.8 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-03-26
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085.009886

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
085.009886 (IL)

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

676 N Saint Clair, Chicago, IL 606112927

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

676 N Saint Clair St, Chicago, IL 606112927

Howard Brown Health Center

1525 E 55th St, Chicago, IL 606155582

Phone: 7733881600

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

13 Associated Practitioners
NPI 1124055835

Doctor of Medicine (M.D.)

Okechi Odoka , APRN, CNP

Nurse Practitioner

NPI 1174860498

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Sarah Bendix , LCSW

Social Worker - Clinical

NPI 1366858805

Licensed Clinical Social Worker

Allison Nichols , LCSW

Social Worker - Clinical

NPI 1508284258

Licensed Clinical Social Worker

William Saracco

Social Worker - Clinical

NPI 1609349661
Katherine Parsons , LCSW

Social Worker - Clinical

NPI 1629615034

Licensed Clinical Social Worker

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Practice Location March 26, 2026

Registered at 676 N SAINT CLAIR ST STE 2030, CHICAGO, IL 606112830 (Tel: 3129266831)

📍
Updated Business Mailing Address March 26, 2026

Registered at 676 N SAINT CLAIR ST STE 2030, CHICAGO, IL 606112830 (Tel: 3129266831)

👤
Provider Name / Credentials Updated March 26, 2026

Recorded as AIDAN EX-WILLEY, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 26, 2026

Physician Assistant (License #085.009886 in IL)

📍
Updated Practice Location September 07, 2023

Registered at 1525 E 55TH ST, CHICAGO, IL 606155512 (Tel: 7733881600)

📍
Updated Business Mailing Address September 07, 2023

Registered at 1525 E 55TH ST, CHICAGO, IL 606155512 (Tel: 7733881600)

📍
Updated Practice Location January 17, 2022

Registered at PA PROGRAM, 240 E HURON ST STE 1-200, CHICAGO, IL 606112909 (Tel: 3125031851)

📍
Updated Business Mailing Address January 17, 2022

Registered at PA PROGRAM, 240 E HURON ST STE 1-200, CHICAGO, IL 606112909 (Tel: 3125031851)

NPI Profile Active January 04, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location January 04, 2022

Registered at 240 E HURON ST STE 1-200, CHICAGO, IL 606112909 (Tel: 3125031851)

📍
Updated Business Mailing Address January 04, 2022

Registered at 240 E HURON ST STE 1-200, CHICAGO, IL 606112909 (Tel: 3125031851)

👤
Provider Name / Credentials Updated January 04, 2022

Recorded as AIDAN EX-WILLEY

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 04, 2022

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration January 04, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1114688918
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 04, 2022
Last Update: March 26, 2026
Sole Proprietor: No

Mailing Address

676 N Saint Clair St Ste 2030

Chicago, IL 606112830

Phone: 3129266831

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.