ONE STEP DIAGNOSTIC II, INC.
NPI 1356447395
Clinic/Center - Radiology in Houston, TX

Q: What is One Step Diagnostic II, Inc.'s NPI number?

The NPI number for One Step Diagnostic II, Inc. is 1356447395. It was assigned to this organization in the NPPES registry on September 16, 2006.

Q: What is One Step Diagnostic II, Inc.'s specialty?

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

Active since September 16, 2006CLIA Certified · 2 labs

7227 FANNIN ST STE 102, HOUSTON, TX 77030(713) 795-9200(713) 795-9201 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 4, 2026, Nov 6, 2024, Aug 17, 2023 and 1 more (4 updates tracked since 2023).

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About One Step Diagnostic Ii, Inc. NPPES

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

ONE STEP DIAGNOSTIC II, INC. (NPI 1356447395) is a healthcare organization registered as a radiology in Houston, Texas and active in the NPI registry since September 2006. The organization holds 2 active CLIA laboratory certificates and lists Louise Marie Maxwell, Credentialing, as its authorized official.

NPPES Registry Identity

NPI1356447395

Entity TypeOrganization

Primary Taxonomy261QR0200X

Legal Business NameONE STEP DIAGNOSTIC II, INC.

Location Address7227 FANNIN ST STE 102Houston, TX 77030-4848

Mailing Address7227 Fannin St Ste 102Houston, TX 77030-4848 · (713) 795-9200 · Fax (713) 795-9201

Phone(713) 795-9200

Fax(713) 795-9201

Organization SubpartNo

Authorized OfficialLouise Marie MaxwellCredentialing · (281) 238-9281

Enumeration DateSeptember 16, 2006

Last NPPES UpdateFebruary 4, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 4, 2026

✔ NPI 1356447395 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · RadiologyAmbulatory Health Care Facilities

Taxonomy Code261QR0200X

7227 FANNIN ST STE 102, Houston, TX 77030

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D1103351

One Step Diagnostic II, Inc · Houston, TX

Active · expires Aug 9, 2027

CLIA Number45D1103351

Laboratory TypeOther

Certificate Effective DateAugust 10, 2025

Certificate Expiration DateAugust 9, 2027

Laboratory DirectorFuad Cochinwala

Laboratory Phone(713) 795-9200

Laboratory LocationOne Step Diagnostic II, Inc7227 Fannin, Suite 102, Houston, TX 77030

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D1103359

One Step Diagnostic IV, LP · Houston, TX

Active · expires Sep 19, 2026

CLIA Number45D1103359

Laboratory TypeIndep Diag Testing Fac

Certificate Effective DateSeptember 20, 2024

Certificate Expiration DateSeptember 19, 2026

Laboratory DirectorFuad Cochinwala

Laboratory Phone(281) 238-9281

Laboratory LocationOne Step Diagnostic IV, LP2051 Greenhouse Rd, Ste 100, Houston, TX 77084

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

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 One Step Diagnostic II, Inc.'s NPI number?

The NPI number for One Step Diagnostic II, Inc. is 1356447395. It was assigned to this organization in the NPPES registry on September 16, 2006.

Where is One Step Diagnostic II, Inc. located?

One Step Diagnostic II, Inc. is located at 7227 Fannin St Ste 102, Houston, TX 77030. The listed phone number is (713) 795-9200.

What is One Step Diagnostic II, Inc.'s specialty?

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

Does One Step Diagnostic II, Inc. hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does One Step Diagnostic II, Inc. accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 7 other insurers list One Step Diagnostic II, 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 One Step Diagnostic II, Inc. was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.