Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleEducation & Board Certifications
Education
- Graduate School: Baldwin Wallace College, 2019
- Graduate School: Baldwin Wallace University, 2019
- Fellowship: Walter Reed Army Medical Center, 2004
- Residency: Brooke Army Medical Center, 2001
- Medical Education: Loyola University Stritch School of Medicine, 1998
- Undergraduate: Rensselaer Polytechnic Institute, 1994
Board Certifications
- Nephrology: American Board of Internal Medicine, 2004
- Internal Medicine: American Board of Internal Medicine, 2001
Professional Memberships
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 2025-12-08, Dr. Simon has reported the financial relationships with the companies listed below.
Consulting and/or Speaking. Dr. Simon 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:
- Ripple Therapeutics Corporation
- Boehringer Ingelheim
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
Video
Ratings & Reviews
4.9 out of 5
107 ratings, 27 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 3/10/2026
Dr Simon is the best!!
- 5 out of 5 starsReviewed on 2/16/2026
Dr. Simon is the best!
- 5 out of 5 starsReviewed on 2/6/2026
Dr. Simon has a deep knowledge of his chosen field. In addition, he presents as knowing my personal history fully. I am confident with the care plan he outlines after each visit.
- 5 out of 5 starsReviewed on 1/12/2026
Dr Simon is absolutely one of the best doctors in the CCF staff.
- 5 out of 5 starsReviewed on 1/12/2026
I was happy and very pleased with help from all of care giver and care provider
- 5 out of 5 starsReviewed on 1/12/2026
Dr Simon was very helpful and he did explain information on my visit very clearly and I was able to understand.
- 5 out of 5 starsReviewed on 12/22/2025
Over the years I had blood pressure over 200. Doctors couldn't find a solution for years. Dr Simeon pinned point the problem to blood flow blockage to kidneys. After stints now normal blood pressure. Can't thank Dr Simeon enough.
- 5 out of 5 starsReviewed on 12/9/2025
Dr. Simon has is one of the best nephrologist and goes out of his way to help you.
- 5 out of 5 starsReviewed on 11/11/2025
Dr. Simon is outstanding in the breadth and depth of his knowledge and the extent of his personal awareness of my health and concerns
- 5 out of 5 starsReviewed on 11/11/2025
Dr Simon is exceptional. Very caring & patient!!
- 5 out of 5 starsReviewed on 11/11/2025
Dr Simon and his fellow were very good and thorough with their explanations.
- 5 out of 5 starsReviewed on 10/14/2025
I needed to change an appointment that was very important in evaluating my progress. I reached out to Dr Simon's office with that request and Dr Simon personally responded!
- 5 out of 5 starsReviewed on 9/23/2025
Dr Simon was informative and kind. Answered questions and concerns I had. I was extremely grateful.
- 5 out of 5 starsReviewed on 9/16/2025
Dr Simon was extremely helpful. He took his time to read over all my records, asking questions as he went. He took interest in my questions and concerns and explained what would happen in the future.
- 5 out of 5 starsReviewed on 9/9/2025
Awesome doctor
- 5 out of 5 starsReviewed on 8/29/2025
I am so happy I have Dr Simon for my doctor.He is a very caring person and he seems genuinely interested in my concerns as a patient.
- 5 out of 5 starsReviewed on 8/19/2025
5 star Excellent experience that I rated among the best I have ever encountered- and at age 71 that's quite a few docs. Dr Simon is an intelligent, knowledgeable, professional with empathy, he took the time to ask the right questions, review my history and include me along the way. Now my diagnosis was much better than I expected and I suppose that colors this review however, I am quite satisfied and would definitely recommend him.
- 5 out of 5 starsReviewed on 8/19/2025
Dr. Simon was very thorough. He knew my history from the records I forwarded through EPIC. He understood and discussed my concerns.
- 5 out of 5 starsReviewed on 8/5/2025
Fantastic session with an excellent doctor. Everything I love about the Cleveland Clinic!
- 5 out of 5 starsReviewed on 7/29/2025
Very informative and explained things in great detail. Took time to address our concerns and make suggestions/recommendations. Accommodated our 6 he drive by scheduling other testing the same day.
- 5 out of 5 starsReviewed on 7/14/2025
Excellent doctor & care.
- 5 out of 5 starsReviewed on 7/14/2025
Dr Simon is excellent attentive , informative & caring!
- 5 out of 5 starsReviewed on 6/26/2025
Dr Simmon is great
- 5 out of 5 starsReviewed on 6/24/2025
Dr Simon is the best. So kind, patient and knowledgeable. He took his time with me and made sure I understood everything. My whole family sees him.
- 5 out of 5 starsReviewed on 5/27/2025
The first time we meet the Dr and very glad we did .
- 5 out of 5 starsReviewed on 5/27/2025
Good experience with Dr.James Simon, (Nephrology). Always a kind and courteous.
- 5 out of 5 starsReviewed on 4/29/2025
Dr Simon is caring,compassionate, & professional always.