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

SOUTHWEST DIRECT DIAGNOSTIC LABORATORY
NPI 1740109123
Clinic/Center in Wheaton, IL

Q: What is Southwest Direct Diagnostic Laboratory's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Active since July 10, 2026

301 W ROOSEVELT RD STE J, WHEATON, IL 60187(346) 771-1189(346) 771-1189 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 15, 2026, Jul 13, 2026, Jul 10, 2026 (3 updates tracked since 2026).

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About Southwest Direct Diagnostic Laboratory NPPES

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

SOUTHWEST DIRECT DIAGNOSTIC LABORATORY (NPI 1740109123) is a healthcare organization registered as a clinic/center in Wheaton, Illinois and active in the NPI registry since July 2026. The organization lists Romaan Ali Baig Mirza, Dme, as its authorized official.

NPPES Registry Identity

NPI1740109123

Entity TypeOrganization

Primary Taxonomy261Q00000X

Legal Business NameSOUTHWEST DIRECT DIAGNOSTIC LABORATORY

Location Address301 W ROOSEVELT RD STE JWheaton, IL 60187-5009

Mailing Address301 W Roosevelt Rd Ste JWheaton, IL 60187-5009 · (346) 771-1189 · Fax (346) 771-1189

Phone(346) 771-1189

Fax(346) 771-1189

Organization SubpartNo

Authorized OfficialRomaan Ali Baig MirzaDme · (346) 771-1189

Enumeration DateJuly 10, 2026

Last NPPES UpdateSeptember 15, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 15, 2026

✔ NPI 1740109123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities

Taxonomy Code261Q00000X

Definition

A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X

301 W ROOSEVELT RD STE J, Wheaton, IL 60187

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Other Providers at the Same Location NPPES

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

GEMINI MEDICAL SUPPLY LLC

Durable Medical Equipment & Medical Supplies

301 W ROOSEVELT RD STE J
WHEATON, IL 60187

Dupage County (464) 969-3592

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 Southwest Direct Diagnostic Laboratory's NPI number?

The NPI number for Southwest Direct Diagnostic Laboratory is 1740109123. It was assigned to this organization in the NPPES registry on July 10, 2026.

Where is Southwest Direct Diagnostic Laboratory located?

Southwest Direct Diagnostic Laboratory is located at 301 W Roosevelt Rd Ste J, Wheaton, IL 60187. The listed phone number is (346) 771-1189.

What is Southwest Direct Diagnostic Laboratory's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

When was this NPI record last updated?

The NPPES record for Southwest Direct Diagnostic Laboratory was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.