Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleLocations
- South Pointe Medical Office Building B
- 20050 Harvard Avenue, Warrensville Heights, OH 44122
- Get Directions
- CA Building - Taussig Cancer Center
- 10201 Carnegie Avenue, Cleveland, OH 44106
- Get Directions
Education & Board Certifications
Education
- Fellowship: Cleveland Clinic, 2024
- Residency: University of Connecticut Health Center, 2021
- Medical Education: Lake Erie College of Osteopathic Medicine, 2017
Board Certifications
- Medical Oncology: American Board of Internal Medicine, 2024
- Internal Medicine: American Board of Internal Medicine, 2020
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 2026-03-16, Dr. Delasos has reported the financial relationships with the companies listed below.
Consulting and/or Speaking. Dr. Delasos receives fees of $5,000 or more per year (or, in rare cases, equity or stock options) as a paid consultant, speaker or as a member of an advisory committee for the following companies:
- PriMUM
- MJH Life Sciences, LLC
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
78 ratings, 13 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 1/28/2026
Dr. Delasos was excellent!
- 5 out of 5 starsReviewed on 1/26/2026
Would definitely recommend Dr Lucas , his staff and the video visit to friends and family
- 5 out of 5 starsReviewed on 1/26/2026
Dr Delasos is caring, compassionate and makes me feel I am important and my care is a priority to him
- 5 out of 5 starsReviewed on 1/14/2026
I couldn't have asked for a better Doctor.He is patient - always answers all questions and concerns. He is kind - Works to accommodate our appointments with the distance we must travel. And he is compassionate- I have felt very cared-for in this process. I've never felt rushed or hurried or as if I were just patient #???. I'm so thankful for Dr. Delasos.
- 5 out of 5 starsReviewed on 12/24/2025
Dr Lukas was great. He listened to my concerns, he listened to my questions and answered each one. He ordered more test due to a long lingering cough and weight loss. He's also not bad on the eyes. Lol
- 5 out of 5 starsReviewed on 12/2/2025
It's always a good experience to be at clinic or virtual I just wish it wasn't so far. Doctor Lucas is a great Dr. Great ideas.
- 5 out of 5 starsReviewed on 11/19/2025
The best dr visit I have had at CCF
- 5 out of 5 starsReviewed on 11/7/2025
I am getting the much needed care at Cleveland Clinic that I wasn't getting elsewhere. The doctors see the urgency in my treatment to improve my quality of life.
- 5 out of 5 starsReviewed on 10/13/2025
Always a wonderful experience with my appointments with Dr. Delasos & his team!
- 5 out of 5 starsReviewed on 10/13/2025
I'm very grateful to have Dr. Delasos as my oncologist. He is always patient, kind & compassionate.
- 5 out of 5 starsReviewed on 7/28/2025
Dr. Delasos always makes sure that my appointments work with our travel/work schedule
- 5 out of 5 starsReviewed on 7/28/2025
I could not ask for a better doctor. Kind. Caring. Patient. Pleasant. Sensitive. Dr. Delasos is a godsend.
- 5 out of 5 starsReviewed on 5/29/2025
Doctor Delasos is great best Doctor I have ever been totHe is very professional and caring I would recommend him to anyone so thankful he is my doctor.