Emergency icon Important Updates
Department Regional Oncology
Primary Location Beachwood Family Health Center
Type of Doctor Adults Only
Languages English
Surgeon No
Beachwood Family Health Center
Primary Location

Beachwood Family Health Center


Additional Locations

Specialties & Treatments

Treatment & Services

  • Cancer Center
  • Chemotherapy
  • Clinical Trials
View all 3 Treatment & Services +

Specialty in Diseases & Conditions

  • Chronic Lymphocytic Leukemia
  • Chronic Myeloid Leukemia (CML)
  • Hodgkin's Disease
  • Lymphoma
  • Multiple Myeloma
  • Myelodysplastic Syndrome (MDS)
  • Myeloproliferative Disorders
  • Non-Hodgkin's Lymphoma
  • Solid Tumor Disorders
View all 9 Specialties +


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About Omer Koc, MD

Omer Koc, MD, is a Staff Member in the Department of Regional Oncology at the Cleveland Clinic Main Campus, and in the Department of Hematology & Medical Oncology at the Cleveland Clinic Beachwood Family Health and Surgery Center.

Dr. Koc earned his medical degree from Istanbul Medical School in Istanbul, Turkey. He completed an internship in medicine at the University of Istanbul. He completed an internship and residency in medicine at the Cleveland Clinic in Cleveland, Ohio. He also held a hematology/oncology fellowship and a bone marrow transplantation fellowship at University Hospitals of Cleveland.

He is certified by the American Board of Internal Medicine with additional certifications in medicine, oncology and hematology.

He has been a scientific and educational presenter a number of times on topics such as bone marrow transplantation, gene technology in cancer, and stem cells, among many others.

Dr. Koc is a member of the American Society of Hematology and the American Society for Clinical Oncology, and he has been a reviewer for several peer-reviewed journals, as well as having been published a number of times in many peer-reviewed journals.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - University Hospitals of Cleveland
Hematology/Oncology/Bone Marrow
Cleveland, OH

Residency - Cleveland Clinic
Internal Medicine
Cleveland, OH

Internship - Cleveland Clinic
Internal Medicine
Cleveland, OH

Medical Education - Istanbul University, Istanbul Medical School
Capa, Istanbul,


  • Internal Medicine - Hematology
  • Internal Medicine - Medical Oncology

Specialty Interests

Hodgkins lymphoma, non-hodgkin lymphoma, myeloma, chronic lymphocytic leukemia, myelodysplastic syndromes, immune thrombocytopenia, solid tumor disorders, cancer

Research & Publications

Research & Publications

See publications for Omer Koc, MD.

(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

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 4/2/2024, Dr. Koc has reported the financial relationships with the companies listed below. 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.

Patient Satisfaction Reviews

483 Patient Satisfaction Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
4.9 out of 5
Explains 4.9
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

86 Patient Comments

Reviewed on May 17, 2024

Your staff and doctors are superb. Your pre appointment and post appointment demands for questionnaires and surveys are burdensome.

Reviewed on May 16, 2024

Dr Koc is an exemplary doctor, who is very concerned for his patients and also instills confidence in his patients.

Reviewed on May 14, 2024

Dr. Koc and his staff are EXCELLENT!!!

Reviewed on May 8, 2024

Dr Koc is a wonderful physician. He explains everything thoroughly with a calm demeanor. I am so thankful to have had him on this journey with me. A+++

Reviewed on May 2, 2024

Dr Koc is extremely knowledgeable about my rare disease! Professional and puts me at ease.

Reviewed on May 1, 2024

Dr Cox spent the amount of time needed to address my concerns and I never got the sense that he was in a hurry or had other to be somewhere else. Very respectful and detailed in each answer. My wife attended the apt as well and was very impressed and happy with the Dr

Reviewed on Apr 24, 2024

Dr Koc is very good

Reviewed on Apr 23, 2024

Dr. Koc listens closely to comments and concerns. His feedback seems well reasoned and easy to understand.

Reviewed on Apr 23, 2024

My visits with Dr. Koc and his staff are always positive.

Reviewed on Apr 23, 2024

I Made The Right decision to pick this doctor,

Reviewed on Apr 18, 2024

Dr. Koc explains his plan of care very well to his patient just like Dr. Stein does and has a very good bedside manner

Reviewed on Apr 18, 2024

Good visit Doctor Koc is a very good Doctor l always feel very confident in my visit he is very thorough

Reviewed on Apr 15, 2024

Dr and staff are all very compassionate and caring, making a difficult procedure as comfortable as possible.

Reviewed on Apr 9, 2024

Dr Koc is a true partner in my healthcare.

Reviewed on Apr 8, 2024

During the time that I've been treated for stage 4 cancer, my wife was confirmed to have lymphoma and subsequently succumbed to cancer. Dr. Koc sensitively dealt with our very complicated situation. He is a very kind person.

Reviewed on Apr 2, 2024

Dr Koc has been very professional & attentive . We travel from Michigan to see him & are pleased that we have .

Reviewed on Mar 21, 2024

Dr. Koc is always thorough and caring.

Reviewed on Mar 8, 2024

I have had the privilege of being Dr Koc's patient for several years. I credit my continued good health to his knowledge, efficiency, skill, professionalism and caring. He is an excellent doctor.

Reviewed on Mar 1, 2024

Dr Koc is the best - bar none!!

Reviewed on Feb 27, 2024

Dr Koc is very professional & very caring

Reviewed on Feb 21, 2024

Very confident in my care from Dr. Koc.

Reviewed on Feb 7, 2024

Dr, koc was very helpful and understanding he is a superior doctor I feel lblessed to have

Reviewed on Feb 7, 2024

Dr. Koc is excellent and he is why I chose to come to Cleveland Clinic. I feel very confident with his knowledge and expertise!!!

Reviewed on Feb 5, 2024

Dr. Koc listens and explains things very well. He seems very thorough.

Reviewed on Jan 11, 2024

Dr. Koc is a good guy.

Reviewed on Jan 8, 2024

I have recommended Dr Koc he is an excellent physician

Reviewed on Jan 5, 2024

This dr. Is by far the best of the many I know. He is informed before he enters the room of what is going on. He is also interested in all aspects of my health and guides me through

Reviewed on Dec 29, 2023

So appreciative of Dr. Koc ordering pelvis and lumbar X-rays. They provided important information.

Reviewed on Dec 20, 2023

Cleveland Clinic Cancer Center and Dr. Koc are awesome!!

Reviewed on Dec 18, 2023

I lost my sister the day before and did not want to miss the appointment. Dr. Koc was very kind and compassionate about my situation.

Reviewed on Dec 7, 2023

Dr. Koc is the best. He saved my life, I'm forever grateful. He still helps me more than anyone.

Reviewed on Dec 6, 2023

Dr Koc is a caring, knowledgeable and professional doctor. I've been very fortunate to have him as my provider. I can't say enough good about my care with him throughout my chemo treatment period.

Reviewed on Dec 5, 2023

Dr. Koc always provides excellent care and information.

Reviewed on Nov 28, 2023

Dr koc is amazing. So kind and knowledgeable

Reviewed on Nov 14, 2023

I have the highest respect for Dr. Koc. He guided me during diagnosis, treatment and, now, remission. He literally saved my life!

Reviewed on Nov 14, 2023

Great doctor friendly, courteous and shows concern for concerns you have that may not be related to what he's treating you for.

Reviewed on Nov 13, 2023

Love Dr KOCListens to everything and explains things clearlyHard to find these days

Reviewed on Nov 9, 2023

Great Doctor

Reviewed on Oct 27, 2023

Have Been seeing Dr. Koc for over 20 years since he helped treat me for my cancer and will continue seeing and recommending him for many more years.

Reviewed on Oct 25, 2023

Dr Koc is wonderful! He takes his time and is very thorough in explaining treatments and procedures, he listens to all my questions and answers completely. I can't imagine going on this journey with anyone else. Thank Dr Koc!

Reviewed on Oct 18, 2023

I feel absolutely blessed to have Dr. Koc as my doctor. Just awesome throught my whole cancer treatment. He is a true asset to the Cleveland Clinic. Just a wonderful doctor and person.

Reviewed on Oct 16, 2023

Dr Koc's office staff is wonderful. They go above and beyond to be helpful

Reviewed on Oct 16, 2023

Dr Koc is brilliant in his knowledge and has a very caring bedside manner.

Reviewed on Oct 16, 2023

Always a pleasure to visit doctor Koc. He is attentive and thorough

Reviewed on Oct 13, 2023

Dr. Koc is a great asset to Cleveland Clinic. I am surviving my cancer treatments. I feel confident with Dr. Koc as my doctor.

Reviewed on Oct 11, 2023

Very kind dr and staff

Reviewed on Oct 11, 2023

Dr. Koc took his time and explained every question I had. He provided calm and great answers that were easily understood.

Reviewed on Sep 27, 2023

Dr O. Koc is an outstanding doctor and really tries to help his patients understand their medical condition, treatments and expected outcomes.

Reviewed on Sep 26, 2023

Dr. Koc has a very strong knowledge of all the options available and explains them very clearly for me to make decisions

Reviewed on Sep 26, 2023

The clinic and Dr Koc are perfect knowledgeable providers!

Reviewed on Sep 14, 2023

Dr Koc asked relevant questions about my condition, commented on my blood tests and examined areas where CLL progress would be shown. He was thorough.

Reviewed on Sep 8, 2023

Your office is compassionate and very caring. Dr. Koc allows me all the time I need to talk about how I'm feeling and I really appreciate that.

Reviewed on Sep 7, 2023

Dr is very helpful

Reviewed on Sep 5, 2023

Dr koc is both a wonderful person who is interested in not only my well being but also who I am. Incredibly thorough

Reviewed on Aug 28, 2023

Dr. Koc is caring, conscientious, and professional. I always feel like I am getting the best possible care with Dr. Koc. He has a wonderful manner about him and puts me at ease with his expertise. He also demonstrates a great sense of humor.

Reviewed on Aug 25, 2023

Dr. Koc and whole office is amazing!

Reviewed on Aug 25, 2023

Always an efficient process scheduling with Dr. Koc.

Reviewed on Aug 24, 2023

Dr. Koc and staff are always prompt, courteous and helpful.

Reviewed on Aug 22, 2023

This entire office makes you feel welcome at all times. Totally professional yet friendly. Dr Koc is the best.

Reviewed on Aug 15, 2023

Dr Koc gives his full attention to your concerns & issues.

Reviewed on Aug 15, 2023

Dr.Koc gives his full attention to me & my issues & concerns during the entire appt. He also always asked if he has covered all of my concerns. Dr. Koc is excellent at covering all of my concerns from start to finish.He is an OUTSTANDING physician.

Reviewed on Aug 10, 2023

Dr. Koc is a rare gem of a physician. He is caring, compassionate, and concerned about my overall health, not just my CLL. I feel very fortunate to have him as my physician.

Reviewed on Aug 7, 2023

Dr. Koc was extremely concerned and knowledgeable about everything I said. Not exclusively regarding my pv but my upcoming knee surgery And all my medications. He is an excellent physician

Reviewed on Aug 7, 2023

Dr. Koc is one of the best doctors that I've ever dealt with. He is always looking ahead to new treatment options and aware of all current test results, even those from other doctors on my team. I would highly recommend Dr. Koc and his entire staff to anyone. Excellent doctor!

Reviewed on Aug 2, 2023

Dr Koc and staff are thorough and prompt in the office and with emailed questions.

Reviewed on Aug 2, 2023

Dr Koc has always been outstanding

Reviewed on Jul 28, 2023

Dr Koc is one of the best doctor that I've ever had. He is attentive, listens, explains the options, answers questions patiently and always makes himself available when needed.

Reviewed on Jul 17, 2023

Dr. Koc is exceptional in all aspects of his care. I could not ask for better care.

Reviewed on Jul 13, 2023

Doctor listened very well to all concerns, office staff does their job very well as a matter of fact they should teach others.

Reviewed on Jul 5, 2023

Dr. Koc is awesome and I'm very lucky he's my doctor!! Thank you Dr. Koc

Reviewed on Jul 5, 2023

The doctor is awesome, very helpful.

Reviewed on Jul 5, 2023

Dr Koc is excellent at explaining everything

Reviewed on Jul 3, 2023

Doctor Koc is extremely.Thorough and professional.

Reviewed on Jun 30, 2023

We feel we are in the best position to handle my problems with Dr. Koc and his staff.

Reviewed on Jun 28, 2023

Dr Koch is hands down the best physician I have ever had, he has a way of making this situation I've found myself in seem not so bad.

Reviewed on Jun 26, 2023

Dr. Koc listened to my concerns. Together we came up with a plan to address some medical issues I was having and his office assisted in a referral to another doctor within the Cleveland Clinic family. I left with hope and feel as though now I can really start to re-live my life.

Reviewed on Jun 20, 2023

I appreciate Dr. Koc's directness in dealing with my illness.

Reviewed on Jun 20, 2023

Assigned nurse is a valuable contact to the doctor.

Reviewed on Jun 20, 2023

Dr. Koc is a gem!

Reviewed on Jun 19, 2023

Dr. Koc always courteous and very thorough.

Reviewed on Jun 19, 2023

Dr. Loc is the absolute best. I hope so never have to change Dr.'s

Reviewed on Jun 9, 2023

Dr. Koch is very personable and his explanations are in simple English not Medical jargon.

Reviewed on Jun 8, 2023

Dr. Koc is an extremely caring & knowledgable doctor. He listens carefully, and is a warm & considerate person.

Reviewed on Jun 8, 2023

Dr. Koc's and his staff have been excellent in my treatments.

Reviewed on Jun 5, 2023

Dr. Omer Koc is excellent! He is knowledgeable, thoughtful, and thorough. He cares for his patients and I would rate him as one of the best.

Reviewed on Jun 2, 2023

Excellent doctor for my rare AIHA/CAD

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