Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleLocations
- Hillcrest Hospital
- 6780 Mayfield Road, Mayfield Hts, OH 44124
- Get Directions
- CA Building - Taussig Cancer Center
- 10201 Carnegie Avenue, Cleveland, OH 44106
- Get Directions
Education & Board Certifications
Education
- Fellowship: University Hospitals Cleveland Medical Center, 2007
- Residency: University Hospitals Case Medical Center, 2004
- Medical Education: Case Western Reserve University School of Medicine, 2002
- Internship: University Hospitals Case Medical Center, 2002
- Graduate School: Harvard Graduate School of Arts and Sciences, 1995
Board Certifications
- Medical Oncology: American Board of Internal Medicine, 2008
- Hematology: American Board of Internal Medicine, 2007
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 2026-03-17, Dr. Van Heeckeren 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
5 out of 5
299 ratings, 44 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 4/28/2026
He is a wonderful doctor who saced my life and was very informatative every step of the way. Always available for questions. He did not wait to begin treatment. He fit me in right away.
- 5 out of 5 starsReviewed on 3/30/2026
Dr. VanHeeckeren has a special way of making you feel so at ease with a serious situation and explains everything in great detail so the patient can understand completely.
- 5 out of 5 starsReviewed on 3/30/2026
Dr. Willem Van Heeckeren is an excellent physician/oncologist. He always gives me ample time for questions and concerns, and he is always very kind and caring.
- 5 out of 5 starsReviewed on 3/30/2026
Dr. Van Heeckeren''s nurse, Valerie Nuti scheduled my appointment. Val is excellent, she always gets back to me in a timely manner.
- 5 out of 5 starsReviewed on 3/10/2026
I am extremely happy with my doctor and I would highly recommend him
- 5 out of 5 starsReviewed on 2/24/2026
Wim is an exceptional doctor.
- 5 out of 5 starsReviewed on 2/24/2026
Dr. VanHeekeran and staff are great!!
- 5 out of 5 starsReviewed on 2/3/2026
I have told dozens of people including family and friends, how Dr Van Heeckeren has saved my life. His care and the care of his team has always treated me with respect and I know that I am alive due to their care and intelligent provision.
- 5 out of 5 starsReviewed on 2/3/2026
Valerie and Dr.V are great. No complaints
- 5 out of 5 starsReviewed on 2/3/2026
Dr. VanHeeckeren his staff and the whole cancer center are outstanding.
- 5 out of 5 starsReviewed on 1/26/2026
The doctor spent plenty of time answering my questions.
- 5 out of 5 starsReviewed on 1/12/2026
Dr. Vanheeckeren is very tentative and concerned for correct care of his patients.
- 5 out of 5 starsReviewed on 1/7/2026
Very good experience with my physician.
- 5 out of 5 starsReviewed on 1/7/2026
Dr. Van Heeckeren has been my Oncologist for some time and he is always very thorough and gives me the time I need to ask questions. He always explains in a way that is easy for me to understand and he is always very kind and caring. Dr. Van Heeckeren's Nurse Valerie is excellent and also very kind and caring.
- 5 out of 5 starsReviewed on 12/9/2025
Doctor was very attentive and actually listened and showed respect to the patient Explanations were very detailed
- 5 out of 5 starsReviewed on 12/1/2025
Very happy with doctor
- 5 out of 5 starsReviewed on 11/24/2025
Thanks. Dr Van and his staff are always the best!!!!
- 5 out of 5 starsReviewed on 11/18/2025
Dr. Van Heekeran is the BEST doctor I've seen in my life! He is kind, compassionate, thorough, an expert in his field! He makes time for his patients and will answer any question you may have. CCF got lucky when they got him from Siedman!!
- 5 out of 5 starsReviewed on 10/29/2025
Nice visit with the doctor.
- 5 out of 5 starsReviewed on 10/6/2025
Everything went well a very good appointment excellent doctor.
- 5 out of 5 starsReviewed on 9/26/2025
Dr VanHeekeren is an angel.
- 5 out of 5 starsReviewed on 9/26/2025
Excellent doctor, very professional and friendly. Asks if you have any questions or concerns about your visit. I wish more would ask that!
- 5 out of 5 starsReviewed on 9/23/2025
Great doctor also.
- 5 out of 5 starsReviewed on 9/23/2025
Very pleased with Dr.'s kind, caring and professional demeaner during my initialAppt. I feel safe under the direction of his care.
- 5 out of 5 starsReviewed on 9/16/2025
He is an excellent physician
- 5 out of 5 starsReviewed on 9/16/2025
BEST DOCTOR EVER!!!!! HE SAVED MY LIFE AND WILL BE ETERNALLY GRATEFUL!!!!
- 5 out of 5 starsReviewed on 9/16/2025
Dr Van Heekeren listened, answered all our questions, and helped so much in clarifying some confusion I'd had previously. He was respectful, and allowed me to have choice in my care. I'm so grateful for his expertise!
- 5 out of 5 starsReviewed on 9/16/2025
Dr. VanHeckeren is so very kind and takes the time to explain everything. Appreciate him so much. Very thankful God put him in this position
- 5 out of 5 starsReviewed on 9/10/2025
Dr Vanheekeren spent time to allow me to ask questions and get opinions. He didn't rush through the visit, but was very thorough and considerate.
- 5 out of 5 starsReviewed on 9/3/2025
A refreshing visit with doctor. He genuinely listened to me!
- 5 out of 5 starsReviewed on 9/3/2025
Excellent doctor
- 5 out of 5 starsReviewed on 8/29/2025
I simply cannot sing enough praises about Dr. Vanheekeran. He is an amazing provider - extremely knowledgeable in research surrounding my condition, treatment options and risks. Took the time to explain results and treatment in a manner that I could comprehend. Thank you!
- 5 out of 5 starsReviewed on 8/12/2025
Dr. VanHeekeran and Staff are Top Notch professionals. A pleasure dealing with this office
- 5 out of 5 starsReviewed on 8/5/2025
Highly recommend Dr Vanheeckeren
- 5 out of 5 starsReviewed on 8/5/2025
Dr. Van Heeckeren is a wonderful physician/oncologist. Very skilled and knowledgeable. He always takes the time to answer my questions and concerns. Dr. Van Heeckeren is not only a great physician he is also a great person. Always very kind and caring.
- 5 out of 5 starsReviewed on 8/5/2025
GREAT DOCTOR !
- 5 out of 5 starsReviewed on 7/29/2025
Dr. Van Hekeeren really listened to me, cared about what I was saying!!
- 5 out of 5 starsReviewed on 7/29/2025
Extremely happy with the doctor. He listened intently to my questions. He thoroughly answered all of my questions. He provided brief overviews of studies I asked about and explained why or why not they were reliable. Thank you for your care, concern and attention to my care.
- 5 out of 5 starsReviewed on 7/8/2025
Dr. Van Heeckeren is is my favorite and his staff is awesome!
- 5 out of 5 starsReviewed on 7/8/2025
Doc was very kind and funny. Wonderful bedside manner
- 5 out of 5 starsReviewed on 6/25/2025
Van Heekeren is always caring, thorough and respectful of my concerns. I trust him completely.
- 5 out of 5 starsReviewed on 6/24/2025
Dr. VanHeeckeren listened to my concerns regarding medication and provided a comfortable plan for further use of it
- 5 out of 5 starsReviewed on 6/9/2025
He is very kind and respectful! Great doctor
- 5 out of 5 starsReviewed on 5/30/2025
Dr VanHeeckeren was wonderful. Listened to me and all of my concerns. Went out of his way to comfort my worries and explain everything to me.. VERY, VERY GOOD doctor. So thankful for him.