GREATER HOUSTON RADIATION ONCOLOGY PA
NPI 1871594424
Radiology - Radiation Oncology in Houston, TX

Q: What is Greater Houston Radiation Oncology PA's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since August 04, 2005

1140A CYPRESS STATION DR, HOUSTON, TX 77090(281) 364-1707(281) 364-0028 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 30, 2026, Aug 10, 2016 (2 updates tracked since 2016).

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About Greater Houston Radiation Oncology Pa NPPES

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

GREATER HOUSTON RADIATION ONCOLOGY PA (NPI 1871594424), doing business as Kirk E Kanady Md Pa, is a healthcare organization registered as a radiation oncology in Houston, Texas and active in the NPI registry since August 2005. The organization maintains 3 additional practice locations and lists Kirk Edward Kanady, Medical Director President, as its authorized official.

NPPES Registry Identity

NPI1871594424

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameGREATER HOUSTON RADIATION ONCOLOGY PA

Location Address1140A CYPRESS STATION DRHouston, TX 77090-3058

Mailing AddressPo Box 8397The Woodlands, TX 77387-8397 · (281) 364-1707 · Fax (281) 364-0028

Phone(281) 364-1707

Fax(281) 364-0028

Organization SubpartNo

Authorized OfficialKirk Edward KanadyMedical Director President · (281) 364-1704

Enumeration DateAugust 4, 2005

Last NPPES UpdateMarch 30, 20262 updates tracked since enumeration

NPPES CertifiedMarch 30, 2026

✔ NPI 1871594424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1140A CYPRESS STATION DR, Houston, TX 77090

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Other Names 1

Former Legal Business NameKirk E Kanady Md Pa

Secondary Practice Locations 3

Location 1112 Medical Park LnHuntsville, TX 77340-4971 · Phone (936) 291-7900 · Fax (936) 291-7911

Location 211950 Galveston RdHouston, TX 77034-4855 · Phone (713) 512-3200 · Fax (713) 512-3250

Location 325511 Budde Rd Ste 1201The Woodlands, TX 77380-2091 · Phone (281) 364-1707 · Fax (281) 364-0028

Other Identifiers 2

Medicaid159064802TX

Medicaid159047302TX

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Greater Houston Radiation Oncology Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 5 clinicians reassign Medicare billing to Greater Houston Radiation Oncology PA, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Kirk Kanady, MD

Radiation Oncology

NPI 1720089451

1140A CYPRESS STATION DR
Houston, TX 77090

(281) 377-7555

✔ PECOS✔ Accepts MedicareSame address

Maria Sosa, MD

Radiation Oncology

NPI 1427072610

25511 BUDDE RD STE 1201 BELLE BUILDING
Spring, TX 77380

(281) 364-1707

✔ PECOS✔ Accepts Medicare7.6 mi

Theodore Yang, MD

Radiation Oncology

NPI 1689674483

25511 BUDDE RD SUITE 1201
The Woodlands, TX 77380

(281) 364-1707

✔ PECOS✔ Accepts Medicare7.6 mi

Nimi Tuamokumo, M.D.

Radiation Oncology

NPI 1033141569

22710 PROFESSIONAL DR RADIATION DEPARTMENT
Kingwood, TX 77339

(281) 312-8545

✔ PECOS✔ Accepts Medicare11 mi

Ather Siddiqi, MD

Radiation Oncology

NPI 1508893702

17198 ST LUKES WAY STE 100
The Woodlands, TX 77384

(936) 266-4330

✔ PECOS✔ Accepts Medicare13 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Greater Houston Radiation Oncology PA's NPI number?

The NPI number for Greater Houston Radiation Oncology PA is 1871594424. It was assigned to this organization in the NPPES registry on August 4, 2005. The provider was formerly known as Kirk E Kanady MD PA.

Where is Greater Houston Radiation Oncology PA located?

Greater Houston Radiation Oncology PA is located at 1140A Cypress Station Dr, Houston, TX 77090. The listed phone number is (281) 364-1707.

What is Greater Houston Radiation Oncology PA's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Greater Houston Radiation Oncology PA enrolled in Medicare?

Yes. Greater Houston Radiation Oncology PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greater Houston Radiation Oncology PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Radiation Oncology, reassign their Medicare billing to Greater Houston Radiation Oncology PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Greater Houston Radiation Oncology PA accept?

Health plans from Imperial Insurance Companies, Inc. list Greater Houston Radiation Oncology PA 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 Greater Houston Radiation Oncology PA was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.