Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleLocations
- Middleburg Heights Family Health Center
- 17840 Bagley Road, Middlebrg Hts, OH 44130
- Get Directions
- Fairview Hospital
- 18101 Lorain Avenue, Cleveland, OH 44111
- Get Directions
- A Building - Crile Building
- 2049 East 100th Street, Cleveland, OH 44106
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Education & Board Certifications
Education
- Graduate School: Grand Valley State University, 2021
- Undergraduate: Grand Valley State University, 2018
Board Certifications
- Physician Assistant: National Commission on Certification of Physician Assistants, 2022
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 2022-04-12, Dr. Alekseyenko 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
4.8 out of 5
178 ratings, 10 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 2/18/2026
I felt confident and at ease with Dennis. He is very personable and reassuring. I would see him again if needed.
- 5 out of 5 starsReviewed on 1/23/2026
Dr was very caring
- 5 out of 5 starsReviewed on 11/19/2025
Fantastic physician. Informative. Explained possibilities and reasoning to accept or look elsewhere for possible explanations of my condition. Very thorough. Caring.
- 5 out of 5 starsReviewed on 11/13/2025
The doctor was amazing very understanding explaining everything to me so I understand.
- 5 out of 5 starsReviewed on 11/6/2025
This provider is extremely laid-back but attentive, kind, good listener, very adept at what he does.
- 5 out of 5 starsReviewed on 9/17/2025
Dr Dennis was very pleasant, caring and explained what was going to happen with my procedure he gave me options and explained each one and made sure I understood each one before I made my choice
- 5 out of 5 starsReviewed on 8/27/2025
Dr Dennis was very kind and caring explained everything to me so I would understand.I would highly recommend him.
- 5 out of 5 starsReviewed on 8/20/2025
Dr. Dennis was so kind and thorough I totally would recommend other to go to hi !
- 5 out of 5 starsReviewed on 7/30/2025
Dennis is great and I highly recommend him! He's personable and knows what he is doing. I saw him for my other hand/injury earlier this year.
- 5 out of 5 starsReviewed on 7/17/2025
Dennis was professional, kind, friendly and funny. He made the boring experience of going to the doctor's almost enjoyable. I left my appointment feeling that Dennis cared about me and my wrist problem.