Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Katherine Osusky Castle, MD

Individual provider Radiation Oncology Physician · NPI 1336561539

Dr. Katherine Osusky Castle, MD is a Radiation Oncology in Nashville, Tennessee. Qualified in 2009, 17 years ago. Practices with Tennessee Oncology PLLC, a 354-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Tennessee.

Years since qualifying
17
Licensed in
TN
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2004 Hayes St Ste 350
Nashville, TN 37203-2650
Phone: (615) 312-3333
Fax: (615) 320-7091
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 74568 (TN)

Record details

NPI number1336561539
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 8, 2014
Last updated in NPPESJuly 24, 2025
Certification dateJuly 24, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Tennessee Oncology Pllc — 354 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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