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

APEX DIAGNOSTICS INC.
NPI 1154949329
Clinic/Center - Radiology in Darien, IL

Active since July 14, 2020
8205 CASS AVE STE 108C, DARIEN, IL 60561(877) 589-1424 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 6, 2026, Jan 9, 2026, Jul 22, 2024 and 2 more (5 updates tracked since 2020).

About Apex Diagnostics Inc. NPPES

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

APEX DIAGNOSTICS INC. (NPI 1154949329) is a healthcare organization registered as a radiology in Darien, Illinois and active in the NPI registry since July 2020. The organization lists Christopher Chalokwu, Director, as its authorized official.

NPPES Registry Identity

NPI1154949329
Entity TypeOrganization
Primary Taxonomy261QR0200X
Legal Business NameAPEX DIAGNOSTICS INC.
Location Address8205 CASS AVE STE 108CDarien, IL 60561-5319
Mailing Address8205 Cass Ave Ste 108cDarien, IL 60561-5319 · (877) 589-1424
Organization SubpartNo
Authorized OfficialChristopher ChalokwuDirector · (877) 589-1424
Enumeration DateJuly 14, 2020
Last NPPES UpdateJuly 6, 20265 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1154949329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinic/Center · RadiologyAmbulatory Health Care Facilities
Taxonomy Code261QR0200X
8205 CASS AVE STE 108C, Darien, IL 60561

Accepted Insurance

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
442 services430 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
338 services322 patients
Complete ultrasound study of arm and leg arteries 93923
This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.
300 services289 patients
Ultrasound of leg arteries or artery grafts 93925
An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.
300 services290 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
248 services241 patients
Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
211 services202 patients

Other Providers at the Same Location NPPES

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

Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
8205 CASS AVE STE 108C
DARIEN, IL 60561

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 Apex Diagnostics Inc.'s NPI number?

The NPI number for Apex Diagnostics Inc. is 1154949329. It was assigned to this organization in the NPPES registry on July 14, 2020.

Where is Apex Diagnostics Inc. located?

Apex Diagnostics Inc. is located at 8205 Cass Ave Ste 108C, Darien, IL 60561. The listed phone number is (877) 589-1424.

What is Apex Diagnostics Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.

What insurance does Apex Diagnostics Inc. accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Apex Diagnostics Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Apex Diagnostics Inc. was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.