Radhamani Kannaiyan, M.D.,

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

W4505 Issued in TX

Practice address

4383 Medical Dr
San Antonio, TX 78229-3307

Phone

(520) 548-7894

NPI assigned

Jun 29, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rkannaiyan40303@direct.utmsa.com
• Direct secure messaging: rkannaiyan282006@direct.vidanthealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Vidant Medical Group LLC

  • Multi-Specialty Clinic/Center
  • Greenville, NC
  • NPI 1477648731
  Medicare reassignment NPD
• Vidant Medical Group LLC

  • Ambulatory Surgical Clinic/Center
  • Kinston, NC
  • NPI 1376049619
  NPD

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

{
    "created_epoch": "1435536000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1013390863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4383 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782293307",
            "telephone_number": "520-548-7894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4383 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782293307",
            "telephone_number": "520-548-7894"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KANNAIYAN",
        "first_name": "RADHAMANI",
        "credential": "M.D.,",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-29",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "W4505",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Minwoo Kang
• Sehwa Nick Kang
• Sowan Kang, PHD
• Wendy Kang, MD
• Sheetal Delipkumar Kanjee, M.D.
• Dhivya Kannan, DO
• Alieu Sulaiman Kanu, DPM
• Marilynn Kanu, MD
• Aisha Kanwal, MD
• Brian Nolan Kanz, MD

• Hematology & Oncology Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Hematology & Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.