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Demitrios Dedousis

Demitrios Dedousis, MD

4.942 ratings, 4 reviews

Genitourinary Medical Oncology

Need help scheduling? Call (216) 444-6833

Highlights

Age Groups Seen

  • Adult

Languages

  • English

Gender

Male

About Demitrios Dedousis

Title

Associate Staff Physician

Biography

I am a genitourinary oncologist and cancer geneticist associate staff physician passionate about elucidating the genetic underpinnings of malignancy in order to improve oncologic risk stratification, screening, diagnosis and treatment. My ultimate goal is to improve the care and lives of those with hereditary predispositions to cancer as a clinical investigator.

Cornell University, Ithaca, NY
BS, Biological Sciences with concentration in genetics, 05/2014

State University of New York Downstate College of Medicine, Brooklyn, NY
MD, 05/2018

Case Western Reserve University School of Medicine/ University Hospitals Cleveland Medical Center, Cleveland, OH
Combined Internal Medicine and Genetics
Intern, 06/2019
Resident, 06/2021
Chief Resident, 06/2022

Fox Chase Cancer Center/Temple University Hospitals, Philadelphia, PA
Hematology Oncology Fellow, 06/2025

Locations

  1. C Building - W.O. Walker Center
    • phone:
    • fax:
  2. CA Building - Taussig Cancer Center
    • phone:
    • fax:

Education & Board Certifications

Education

  • Fellowship: Fox Chase Cancer Center, 2025
  • Residency: Case Western Reserve Univeristy/University Hospitals Cleveland Medical Center , 2022
  • Medical Education: SUNY Downstate Health Sciences University, 2018
  • Undergraduate: Cornell University, 2014

Board Certifications

  • Hematology: American Board of Internal Medicine, 2025
  • Genetics: American Board of Medical Genetics and Genomics, 2025
  • Medical Oncology: American Board of Internal Medicine, 2024
  • Internal Medicine: American Board of Internal Medicine, 2022

Professional Highlights

American Board of Internal Medicine:
Internal Medicine, 2022
Medical Oncology, 2024
Hematology, 2025

American Board of Medical Genetics and Genomics:
Clinical Genetics and Genomics, 2025

Additional Training

Fellowship in the ACMG Summer Genetics Scholars Program
Saint Peter’s University Hospital, 05/2015

State University of New York Downstate College of Medicine:
Medical Education Pathway, 05/2018

Fox Chase Cancer Center
Hearst Foundation Clinical Cancer Genetics Fellowship, 06/2025

City of Hope
Intensive Course in Genomic Cancer Risk Assessment, 03/2025

Awards

Cornell University
Magna Cum Laude, 05/2014
Distinction in Research, 05/2014

State University of New York Downstate College of Medicine
Distinction in Research, 05/2018
Global Health Elective Travel Award, St. John’s Medical College in Bangalore, India, 5/2018

Lewis Katz School of Medicine at Temple University
Sol Sherry Award for Excellence in Research, 06/2024

American Society of Clinical Oncology
Conquer Cancer Merit Award, 06/2025

Professional Memberships

American College of Medical Genetics
Member, 2016 – Present

American Medical Association
Member, 2016–Present

American Society of Clinical Oncology
Member, 2019–Present

American Society of Hematology
Member, 2019–Present

Collaborative Group of the Americas on Inherited Gastrointestinal Cancer
Member, 2024–Present

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 2026-03-31, Dr. Dedousis 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

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Ratings & Reviews

4.9 out of 5

42 ratings, 4 reviews

The 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.

Explains
Courtesy Respect & Concern
Patient Rating of Doctor
    5 out of 5 stars
    Reviewed on 3/5/2026

    Dr. Dedousis consistently provides exceptional, patient-centered care. He is attentive, well-prepared, and thoroughly knowledgeable about my medical history at every visit. He takes the time to truly listen, ensuring my concerns are fully heard and understood. Most importantly, he carefully explains every aspect of my care plan and treatment decisions, making sure I feel informed, confident, and involved in my healthcare. His professionalism and dedication to his patients are deeply appreciated.

    5 out of 5 stars
    Reviewed on 1/14/2026

    Dr. D was very informative. He was through with my medical record. I was impressed even more than I expected to be.

    5 out of 5 stars
    Reviewed on 12/18/2025

    Dr Dedidous was extremely informative and great with recommendations as for care

    5 out of 5 stars
    Reviewed on 12/5/2025

    Dr D. Explained options in understandable terms, he was very thorough, and very respectful.