AILEEN M CHANG PA-C
NPI 1184510687
Physician Assistant in Chicago, IL

Active since June 13, 2025PECOS EnrolledAccepts Medicare Assignment
6135 N KNOX AVE, CHICAGO, IL 60646(773) 756-5251 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jun 24, 2025, Jun 13, 2025 (2 updates tracked since 2025).

About Aileen M Chang Pa-c NPPES

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

AILEEN M CHANG PA-C (NPI 1184510687) is an individual physician assistant in Chicago, Illinois, licensed in (1041618) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1184510687
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameAILEEN M CHANGCredential: PA-C
Location Address6135 N KNOX AVEChicago, IL 60646-5027
Mailing Address6135 N Knox AveChicago, IL 60646-5027 · (773) 756-5251
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateJune 13, 2025
Last NPPES UpdateJune 24, 20252 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
NPI 1184510687 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 · 1041618
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 0110001433 (VA)
6135 N KNOX AVE, Chicago, IL 60646

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

Aileen M Chang 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 ID9638664071
PECOS Enrollment IDI20251223000952
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60646 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.

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 Aileen Chang's NPI number?

The NPI number for Aileen Chang is 1184510687. It was assigned to this individual provider in the NPPES registry on June 13, 2025.

Where is Aileen Chang located?

Aileen Chang practices at 6135 N Knox Ave, Chicago, IL 60646. The listed phone number is (773) 756-5251.

What is Aileen Chang's specialty?

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

Is Aileen Chang enrolled in Medicare?

Yes. Aileen Chang 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.

When was this NPI record last updated?

The NPPES record for Aileen Chang was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.