DARREN CARL IOOS
NPI 1417703380
Urology in Chicago, IL

Active since April 30, 2024PECOS Enrolled
600 S PAULINA ST STE 403, CHICAGO, IL 60612(312) 942-7100 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 20, 2025, Apr 30, 2024 (2 updates tracked since 2024).

About Darren Carl Ioos NPPES

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

DARREN CARL IOOS (NPI 1417703380) is an individual urology provider in Chicago, Illinois, licensed in Illinois (125.085418) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417703380
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDARREN CARL IOOS
Location Address600 S PAULINA ST STE 403Chicago, IL 60612-3806
Mailing Address600 S Paulina St Ste 403Chicago, IL 60612-3806
Sole ProprietorYes
Enumeration DateApril 30, 2024
Last NPPES UpdateJune 20, 20252 updates tracked since enumeration
NPPES CertifiedJune 20, 2025
NPI 1417703380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License Licensed in IL · 125.085418
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
600 S PAULINA ST STE 403, Chicago, IL 60612

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Darren Carl Ioos is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 60612 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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 20

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

Psychiatry & Neurology (Neurology)
600 S PAULINA ST STE 403
CHICAGO, IL 60612
Anesthesiology
600 S PAULINA ST STE 403
CHICAGO, IL 60612
Emergency Medicine
600 S PAULINA ST STE 403
CHICAGO, IL 60612
Student in an Organized Health Care Education/Training Program
600 S PAULINA ST STE 403
CHICAGO, IL 60612
Internal Medicine
600 S PAULINA ST STE 403
CHICAGO, IL 60612
Surgery
600 S PAULINA ST STE 403
CHICAGO, IL 60612
Anesthesiology
600 S PAULINA ST STE 403
CHICAGO, IL 60612
Internal Medicine (Cardiovascular Disease)
600 S PAULINA ST STE 403
CHICAGO, IL 60612

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 Darren Ioos's NPI number?

The NPI number for Darren Ioos is 1417703380. It was assigned to this individual provider in the NPPES registry on April 30, 2024.

Where is Darren Ioos located?

Darren Ioos practices at 600 S Paulina St Ste 403, Chicago, IL 60612. The listed phone number is (312) 942-7100.

What is Darren Ioos's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Darren Ioos enrolled in Medicare?

Yes. Darren Ioos is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Darren Ioos was last updated on June 20, 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.