Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleLocations
- Martin North Robert and Carol Weissman Cancer Center
- 501 Southeast Osceola Street, Stuart, FL 34994
- Get Directions
- Martin North Robert and Carol Weissman Cancer Center
- 501 Southeast Osceola Street, Stuart, FL 34994
- Get Directions
- Family Health Center, St Lucie West
- 1095 Northwest Saint Lucie West Boulevard, Port St Lucie, FL 34986
- Get Directions
Education & Board Certifications
Education
- Fellowship: Mallinckrodt Institute of Radiology, 1992
- Residency: University of Puerto Rico Medical Center, 1991
- Internship: Hospital de Damas Program, 1988
- Internship: Tulane University Medical Center, 1988
- Medical Education: University of Puerto Rico School of Medicine, 1987
Board Certifications
- Radiation Oncology: American Board of Radiology, 1994
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2025-10-30, Dr. Castillo has reported no financial relationship with industry that is applicable to this listing.
In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.
Insurances Accepted
Ratings & Reviews
4.9 out of 5
180 ratings, 19 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 2/24/2026
I thought the doctor was exceptional and answered all my questions
- 4 out of 5 starsReviewed on 2/24/2026
The above is for Dr. Castillo. The nursing staff that administered the radiation treatments was excellent.
- 5 out of 5 starsReviewed on 12/30/2025
Dr. Castillo is great. He is very informative, answered all of our questions. And has great sense of humor. Great bedside manner.
- 5 out of 5 starsReviewed on 12/30/2025
I feel well taken care of with Dr. Castillo and his team
- 5 out of 5 starsReviewed on 12/30/2025
Excellent doctor and staff
- 5 out of 5 starsReviewed on 10/9/2025
I'm very happy with Dr. Castillo. He's very caring and professional.
- 5 out of 5 starsReviewed on 10/2/2025
Dr Castillo is caring and informative. He's the best!
- 5 out of 5 starsReviewed on 9/4/2025
Love Dr Azhar's manner, her caring and compassion for my health and me as a person. Very grateful for her care
- 5 out of 5 starsReviewed on 8/28/2025
Dr. Castillo was awesome. Very professional I felt that I was in the best of care. Wonderful personality. Very pleased with my care.
- 5 out of 5 starsReviewed on 8/28/2025
Dr Castillo was very knowledgeable and professional with the services delivered. The staff has always exceeded my expectations.
- 5 out of 5 starsReviewed on 7/31/2025
I always feel safe and. Secure with Dr.Castillo and his staff
- 5 out of 5 starsReviewed on 7/17/2025
Absolutely the best. Cannot say enough good things about this Doctor and his staff.
- 5 out of 5 starsReviewed on 7/3/2025
Excellent doctor
- 5 out of 5 starsReviewed on 6/20/2025
The doctor and his assistance were very concerned with my concerns explain to me the types of procedures they would recommend how it takes place and how long the procedures would be. They were all concerned about my concerns and gave me the positives and the negatives on the procedure that they were recommending I found them all to be very knowledgeable, helpful and caring.
- 5 out of 5 starsReviewed on 6/20/2025
Dr Castillo is very interested in you as a person as well as a patient.
- 5 out of 5 starsReviewed on 6/16/2025
The doctor and his staff were excellent to work with,
- 5 out of 5 starsReviewed on 6/5/2025
Nurses and Doctor were very supportive.
- 5 out of 5 starsReviewed on 6/5/2025
Dr. Castillo is an amazing physician. Expert at what he does, plus caring and compassionate. Absolutely one on the best doctors.
- 5 out of 5 starsReviewed on 5/23/2025
Have no complaints not only the Dr. & staff are polite courteous & very professional.