Katherine Osusky Castle, M.D.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

74568 Issued in TN

Practice address

2004 Hayes St Ste 350
Nashville, TN 37203-2650

Phone

(615) 312-3333

Fax

(615) 320-7091

NPI assigned

Jan 8, 2014

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 LA, TN2 enrollments

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 2

Specialty

Radiation Oncology

Education

Other, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Tennessee Oncology PLLCGroup PAC ID 4688586134, 355 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension Saint Thomas Hospital Hospital, Nashville, TN, CCN 440082
• Tristar Centennial Medical Center Hospital, Nashville, TN, CCN 440161

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: katherine.castle@directaddress.net

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.

• Tennessee Oncology PLLC

  • Hematology & Oncology Physician
  • Nashville, TN
  • NPI 1811955917
  Medicare reassignment Care Compare group NPD
• Lebanon Radiation Oncology Center

  • Radiology Clinic/Center
  • Lebanon, TN
  • NPI 1750080305
  Medicare reassignment NPD
• Baton Rouge General Medical Center

  dba Baton Rouge General Surgical Associates

  • Surgery Physician
  • Baton Rouge, LA
  • NPI 1215199724
  Medicare reassignment NPD
• Radiation Oncology Center - Zachary, LLC

  • Radiation Oncology Clinic/Center
  • Zachary, LA
  • NPI 1518393875
  Medicare reassignment NPD
• St. Elizabeth-Mary Bird Perkins Cancer Center, L.L.C.

  • Radiation Oncology Physician
  • Gonzales, LA
  • NPI 1619155124
  Medicare reassignment NPD
• Tennessee Oncology,PLLC

  • Radiation Oncology Physician
  • Nashville, TN
  • NPI 1164595070
  NPD
• Baton Rouge General Medical Center

  dba Family Health Center

  • Family Medicine Physician
  • Baton Rouge, LA
  • NPI 1184648651
  NPD
• Baton Rouge General Medical Center

  dba BRG Comprehensive Care Center

  • Gastroenterology Physician
  • Baton Rouge, LA
  • NPI 1407346984
  NPD
• Mary Bird Perkins Cancer Center

  • Clinical Medical Laboratory
  • Baton Rouge, LA
  • NPI 1295833580

  Radiation Oncology

  NPD
• Radiation Oncology Center - Zachary

  • Radiation Oncology Clinic/Center
  • Zachary, LA
  • NPI 1306355102
  NPD
• Tennessee Oncology PLLC

  • Radiation Oncology Clinic/Center
  • Franklin, TN
  • NPI 1942909585
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• HCA Health Services of Tennessee, Inc.

  dba Tristar Centennial Medical Center

  • General Acute Care Hospital
  • Nashville, TN
  • NPI 1023055126
  Care Compare affiliation
• Saint Thomas West Hospital

  dba Ascension Saint Thomas Hospital

  • General Acute Care Hospital
  • Nashville, TN
  • NPI 1629025648
  Care Compare affiliation

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

{
    "created_epoch": "1389139200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753315200000",
    "number": "1336561539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2004 HAYES ST STE 800",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372032659",
            "telephone_number": "615-329-0570",
            "fax_number": "615-329-0579"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2004 HAYES ST STE 350",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372032650",
            "telephone_number": "615-312-3333",
            "fax_number": "615-320-7091"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTLE",
        "first_name": "KATHERINE",
        "middle_name": "OSUSKY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-01-08",
        "last_updated": "2025-07-24",
        "certification_date": "2025-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "TN",
            "license": "74568",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marleny Castillo, RN
• Natalie Rose Castillo, NP
• Yesenia Castillo, AU.D
• Dennis Castle, RN
• Jill Lindeman Castle, M.S., R.D., L.D.N.
• Thomas M Castleberry, P.T.
• Gretchen Elizabeth Castleman, FNP, ENP
• Shannon Castorino, NONE
• Alexandra Castro
• Samantha Castro

• Radiation Oncology Physician in Nashville, TN
• Providers in Nashville, TN by specialty
• Radiation Oncology Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 2025; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.