DR. KATHERINE OSUSKY CASTLE M.D.
NPI 1336561539
Radiology - Radiation Oncology in Nashville, TN

Active since January 08, 2014PECOS EnrolledAccepts Medicare Assignment
2004 HAYES ST STE 350, NASHVILLE, TN 37203(615) 312-3333(615) 320-7091 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Katherine Osusky Castle M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHERINE OSUSKY CASTLE M.D. (NPI 1336561539) is an individual radiation oncology provider in Nashville, Tennessee, licensed in Tennessee (74568) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS, is affiliated with Ascension Saint Thomas Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1336561539
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameDR. KATHERINE OSUSKY CASTLECredential: M.D.
Location Address2004 HAYES ST STE 350Nashville, TN 37203-2650
Mailing Address2004 Hayes St Ste 800Nashville, TN 37203-2659 · (615) 329-0570 · Fax (615) 329-0579
Fax(615) 320-7091
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJanuary 8, 2014
Last NPPES UpdateJuly 24, 2025
NPPES CertifiedJuly 24, 2025
NPI 1336561539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License Licensed in TN · 74568
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
2004 HAYES ST STE 350, Nashville, TN 37203

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Katherine Osusky Castle M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234356098
PECOS Enrollment IDI20251010000552
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
170 services32 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
47 services17 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
46 services14 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
40 services16 patients
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280
This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.
35 services20 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
35 services16 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440082
Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County
Emergency services Birthing friendly

Tristar Centennial Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number440161
Location2300 Patterson StreetNashville, TN 37203 · Davidson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$160.89 typical visit price
range $52.64 – $160.89
Typical copayment $40.22 (range $13.16 – $40.22)
Most-billed visit code 99205
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Hematology & Oncology)
2004 HAYES ST STE 350
NASHVILLE, TN 37203
Nurse Practitioner
2004 HAYES ST STE 350
NASHVILLE, TN 37203
Internal Medicine (Hematology & Oncology)
2004 HAYES ST STE 350
NASHVILLE, TN 37203
Internal Medicine (Medical Oncology)
2004 HAYES ST STE 350
NASHVILLE, TN 37203
Internal Medicine (Medical Oncology)
2004 HAYES ST STE 350
NASHVILLE, TN 37203
Internal Medicine (Hematology & Oncology)
2004 HAYES ST STE 350
NASHVILLE, TN 37203
Internal Medicine (Medical Oncology)
2004 HAYES ST STE 350
NASHVILLE, TN 37203
Nurse Practitioner (Adult Health)
2004 HAYES ST STE 350
NASHVILLE, TN 37203

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Castle's NPI number?

The NPI number for Katherine Castle is 1336561539. It was assigned to this individual provider in the NPPES registry on January 8, 2014.

Where is Katherine Castle located?

Katherine Castle practices at 2004 Hayes St Ste 350, Nashville, TN 37203. The listed phone number is (615) 312-3333.

What is Katherine Castle's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Katherine Castle enrolled in Medicare?

Yes. Katherine Castle is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katherine Castle accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter from Superior HealthPlan and AmeriHealth Caritas Next and 5 other insurers list Katherine Castle as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Katherine Castle affiliated with any hospitals?

According to CMS data, Katherine Castle is affiliated with Ascension Saint Thomas Hospital and Tristar Centennial Medical Center.

When was this NPI record last updated?

The NPPES record for Katherine Castle was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.