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Dr. Carlos Castillo

Medical Oncologist

oncologist Jacksonville, FL 21st Century Oncology Holdings Inc

j.doe@example.com linkedin.com/in/...

Reveal Contact Info

Overview

Level

Staff

Tenure

18 years at 21st Century Oncology Holdings Inc

Gender

Male

Connections

Position in HealthTal Database

3,248 healthcare professionals in HealthTal hold the oncologist specialty. Carlos Castillo is one of them.
149 oncologists are based in FL (out of 96,789 total healthcare contacts in that state).
3 contacts at 21st Century Oncology Holdings Inc are tracked in HealthTal.
Top employers of oncologists in FL: Moffitt Cancer Center (11), Florida Cancer Specialists & Research Institute (10), Florida Cancer Specialists (7).
3% of oncologists in FL hold a senior title (Director, Manager, Chief, VP, etc.).
76% of oncologists in FL have verified education credentials on file.

Data refreshed May 2026.

Public records & verifications

Verify against the NPPES Provider Registry (HHS / CMS). Search NPPES →
Professional LinkedIn profile on file (subscribers only).
Data aggregated from public licensure databases, LinkedIn, and verified employer records. Cross-check via the registry link above.

About 21st Century Oncology Holdings Inc

Industry

Hospitals & Physicians Clinics

Employees

20 to 99

Revenue

$1B+

Website

rtsx.com

Office Location

1419 Se 8th Ter, Cape Coral, FL

Professional Overview

Dr. Carlos Castillo is a Medical Oncologist, currently affiliated with 21st Century Oncology Holdings Inc, based in Jacksonville, FL. As a oncologist, Dr. Castillo contributes to patient care, clinical workflows, and healthcare operations in Jacksonville, FL. They have been with 21st Century Oncology Holdings Inc for 18 years. 21st Century Oncology Holdings Inc operates in the Hospitals & Physicians Clinics sector with a workforce of 20 to 99 employees. Healthcare organizations seeking to recruit oncologist professionals can use HealthTal to access verified direct email addresses and personal phone numbers sourced from NPI records and professional licensing databases. Direct outreach to oncologist specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure. The Jacksonville, FL healthcare market offers access to a concentrated pool of clinical professionals, making direct outreach particularly effective for organizations building local care teams or expanding service capacity in the region.

Recruiting oncologist

Healthcare professionals with oncologist expertise are recruited nationwide. Direct outreach via verified email and phone produces significantly faster placements than relying on job boards or passive candidates. HealthTal's database provides personal contact data verified against NPI and state licensing records.

Browse all oncologists →

Frequently Asked Questions

Where is Dr. Carlos Castillo located?

Dr. Carlos Castillo is based in Jacksonville, FL. They are currently affiliated with 21st Century Oncology Holdings Inc.

What is Dr. Carlos Castillo's specialty?

Dr. Carlos Castillo specializes in oncologist. Their current role is Medical Oncologist.

Where does Dr. Carlos Castillo currently work?

Dr. Carlos Castillo currently works at 21st Century Oncology Holdings Inc. They have been there for 18 years.

How do I contact Dr. Carlos Castillo for recruiting?

HealthTal provides verified direct email address and phone number for Dr. Carlos Castillo. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.

How do I recruit a oncologist?

Recruiting oncologists typically involves reaching out via direct email or phone. HealthTal's database provides verified contact data for oncologists across all 50 states, allowing you to contact candidates directly without going through job boards.