Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleLocations
- Strongsville Family Health and Surgery Center
- 16761 Southpark Center, Strongsville, OH 44136
- Get Directions
- Independence Family Health Center
- 5001 Rockside Road, Independence, OH 44131
- Get Directions
- Strongsville Family Health and Surgery Center
- 16761 Southpark Center, Strongsville, OH 44136
- Get Directions
Education & Board Certifications
Education
- Residency: Cleveland Clinic, 2010
- Internship: Cleveland Clinic, 2006
- Medical Education: UMDNJ-Robert Wood Johnson Medical School, 2005
- Undergraduate: Rutgers University, 1997
Board Certifications
- Radiation Oncology: American Board of Radiology, 2011
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 2025-07-02, Dr. Vassil 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
Video
Ratings & Reviews
5 out of 5
106 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 3/30/2026
I would highly recommend Dr. Vassil. Took great care in explaining process and all options.
- 5 out of 5 starsReviewed on 3/16/2026
I trust Dr. Vassil with my life, without reservation. No higher praise can I give!
- 5 out of 5 starsReviewed on 3/10/2026
Dr. Vassil was exceptional. He took the time to explain my condition, treatment, and expected outcomes. I appreciate his care and detail oriented nature.
- 5 out of 5 starsReviewed on 2/24/2026
Dr Vassill and his entire team were great to work with. They made sure that any questions or concerns that you had were addressed. Nothing but good things to say.
- 5 out of 5 starsReviewed on 2/6/2026
I feel Dr. Vassel takes the time to listen to me as a patient, provides relevant information about my treatment and about what to expect moving forward. I have very little anxiety about the treatment I am currently undergoing because he took the time to talk through everything with me.
- 5 out of 5 starsReviewed on 2/6/2026
Dr. Vassil is very thorough and explains everything. He is very kind.
- 5 out of 5 starsReviewed on 12/22/2025
Dr. Vassil takes great pride and compassion in speaking with and explaining details about his treatment plan and a patient's care!
- 5 out of 5 starsReviewed on 12/22/2025
Dr Vassil called me personally to discuss relevant items prior to our scheduled visit.
- 5 out of 5 starsReviewed on 12/22/2025
Dr Vasill is a fantastic oncologist He is very caring and spends time with you.
- 5 out of 5 starsReviewed on 12/9/2025
Dr Vassel is one of the most thorough doctors that I have ever met. He describes things in a way that you can understand them, listens to, and answers all questions that I had. Very reassuring that I am In good hands with him treating me.
- 5 out of 5 starsReviewed on 9/23/2025
I am very,very fortunate to have Dr. Vassil as part of my health care team. He actually really does care about my health and well-being!!
- 5 out of 5 starsReviewed on 8/12/2025
Dr. Vassil takes his time to explain everything and answers any questions. The nurse and therapists there go above and beyond
- 5 out of 5 starsReviewed on 8/12/2025
Dr. Vassil has always taken his time with explaining in detail my health and the current conditions regarding my health.
- 5 out of 5 starsReviewed on 7/8/2025
Dr Vassil was very patient and thorough when explaining how radiology would be used to treat my cancer,
- 5 out of 5 starsReviewed on 6/17/2025
I have had such great experiences with Dr Vassil and his crew. They all are very caring and compassionate people. They have made me so comfortable made sure I understood everything I needed to know. I truly am grateful for them .
- 5 out of 5 starsReviewed on 6/17/2025
Dr. Vasil is great...listens attentively, has a calm and competent manner, shows genuine concern. Very professional. The whole team is fantastic.
- 5 out of 5 starsReviewed on 5/27/2025
Dr. Vassil was excellent in explaining everything we asked . He's a great Guy and Dr.
- 5 out of 5 starsReviewed on 5/27/2025
Dr. Vassel goes above and beyond to explain everything to me and is a very caring dr
- 5 out of 5 starsReviewed on 5/27/2025
I absolutely love the care team and Dr. Vessal