Greater Houston Radiation Oncology PA

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

Legal business name

GREATER HOUSTON RADIATION ONCOLOGY PA

Practice address

1140A Cypress Station Dr
Houston, TX 77090-3058

Phone

(281) 364-1707

Fax

(281) 364-0028

NPI assigned

Aug 4, 2005

Last updated

Mar 30, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Kirk Edward Kanady, MDNPI 1720089451

Title

Medical Director President

Phone

(281) 364-1704

Specialties & licenses 1

Addresses

Other identifiers 2

Other names 1

• Kirk E Kanady MD PA Former legal business name

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• Greater Houston Radiation Oncology, P.a.

  • Radiation Oncology Physician
  • Houston, TX
  • NPI 1477553477

  O20040922000904

  Same enrollment

Tax ID family

Greater Houston Radiation Oncology2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• Greater Houston Radiation Oncology, P.a.

  • Radiation Oncology Physician
  • Houston, TX
  • NPI 1477553477
  NPD tax ID

Locations

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Kirk Edward Kanady, MD

  • Radiation Oncology Physician
  • Houston, TX
  • NPI 1720089451
  NPD Authorized official
• Ather A Siddiqi, MD

  • Radiation Oncology Physician
  • The Woodlands, TX
  • NPI 1508893702
  NPD
• Maria A Sosa, MD

  • Radiation Oncology Physician
  • Spring, TX
  • NPI 1427072610
  NPD
• Theodore Kuo-Chun Yang, MD

  • Radiation Oncology Physician
  • The Woodlands, TX
  • NPI 1689674483
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1123113600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774828800000",
    "number": "1871594424",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8397",
            "city": "THE WOODLANDS",
            "state": "TX",
            "postal_code": "773878397",
            "telephone_number": "281-364-1707",
            "fax_number": "281-364-0028"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1140A CYPRESS STATION DR",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770903058",
            "telephone_number": "281-364-1707",
            "fax_number": "281-364-0028"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "112 Medical Park Ln",
            "address_purpose": "LOCATION",
            "city": "Huntsville",
            "state": "TX",
            "postal_code": "773404971",
            "country_code": "US",
            "telephone_number": "936-291-7900",
            "fax_number": "936-291-7911",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11950 Galveston Rd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770344855",
            "country_code": "US",
            "telephone_number": "713-512-3200",
            "fax_number": "713-512-3250",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25511 Budde Rd Ste 1201",
            "address_purpose": "LOCATION",
            "city": "The Woodlands",
            "state": "TX",
            "postal_code": "773802091",
            "country_code": "US",
            "telephone_number": "281-364-1707",
            "fax_number": "281-364-0028",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "GREATER HOUSTON RADIATION ONCOLOGY PA",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-08-04",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A",
        "authorized_official_last_name": "KANADY",
        "authorized_official_first_name": "KIRK",
        "authorized_official_middle_name": "EDWARD",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR PRESIDENT",
        "authorized_official_telephone_number": "281-364-1704",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Radiation Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "159064802",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "159047302",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Kirk E Kanady MD PA",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

• Greater Houston Pain Clinic, PLLC
• Greater Houston Pain Consultants, PLLC
• Greater Houston Podiatry Services
• Greater Houston Primary Care PA
• Greater Houston Psychiatric Associates, PLLC
• Greater Houston Radiation Oncology, P.a.
• Greater Houston Radiology Associates, P.a.
• Greater Houston Senior Care (Advanced Quality Assisted Living)
• Greater Houston Sleep & Research Center, Inc.
• Greater Houston Surgical Center, Inc

• Radiation Oncology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Radiation Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.