Greater Houston Radiation Oncology, P.a.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

Legal business name

GREATER HOUSTON RADIATION ONCOLOGY, P.A.

Practice address

1140A Cypress Station Dr
Houston, TX 77090-3058

Phone

(281) 377-7555

Fax

(281) 248-8391

NPI assigned

Aug 1, 2005

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 Doctor President

Phone

(281) 364-1707

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 PA

  • Radiation Oncology Physician
  • Houston, TX
  • NPI 1871594424

  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 PA

  • Radiation Oncology Physician
  • Houston, TX
  • NPI 1871594424
  NPD tax ID

Locations

Practitioners 6

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Kirk Edward Kanady, MD

  • Radiation Oncology Physician
  • Houston, TX
  • NPI 1720089451
  Medicare reassignment Care Compare group NPD Authorized official
• Maria A Sosa, MD

  • Radiation Oncology Physician
  • Spring, TX
  • NPI 1427072610
  Medicare reassignment Care Compare group NPD
• Nimi L Tuamokumo, M.D.

  • Radiation Oncology Physician
  • Kingwood, TX
  • NPI 1033141569
  Medicare reassignment Care Compare group NPD
• Theodore Kuo-Chun Yang, MD

  • Radiation Oncology Physician
  • The Woodlands, TX
  • NPI 1689674483
  Medicare reassignment Care Compare group NPD
• Ather A Siddiqi, MD

  • Radiation Oncology Physician
  • The Woodlands, TX
  • NPI 1508893702
  Medicare reassignment NPD
• Albert C Chen, MD, PH.D

  • Radiation Oncology Physician
  • Houston, TX
  • NPI 1265792857
  NPD (past)

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

{
    "created_epoch": "1122854400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774828800000",
    "number": "1477553477",
    "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": "281-377-7555",
            "fax_number": "281-248-8391"
        }
    ],
    "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": "713-412-3200",
            "fax_number": "713-512-3250",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25511 Budde Rd",
            "address_2": "Suite 1201",
            "address_purpose": "LOCATION",
            "city": "The Woodlands",
            "state": "TX",
            "postal_code": "773802080",
            "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, P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-08-01",
        "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 DOCTOR  PRESIDENT",
        "authorized_official_telephone_number": "281-364-1707",
        "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": "1590473-02",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Kirk E Kanady, MD, PA",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

• Greater Houston Pain Consultants, PLLC
• Greater Houston Podiatry Services
• Greater Houston Primary Care PA
• Greater Houston Psychiatric Associates, PLLC
• Greater Houston Radiation Oncology PA
• Greater Houston Radiology Associates, P.a.
• Greater Houston Senior Care
• Greater Houston Sleep & Research Center, Inc.
• Greater Houston Surgical Center, Inc
• Greater Houston Therapeutics LP

• 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.