John McDonnell, MD
Pediatric ImmunologyPediatric Allergy and Immunology
Highlights
Age Groups Seen
- Child
- Adolescent
Languages
- English
Gender
MaleAbout John McDonnell
Biography
John McDonnell, MD MS is an Associate Staff Physician in the Department of Pediatric Allergy and Immunology at Cleveland Clinic. His clinical practice focuses on inborn errors of immunity, including immunodeficiency and immunodysregulatory disorders. He did his pediatric residency at the National Capital Consortium and served for 7 years as an active-duty Navy pediatrician, including in overseas locations. After completion of his military service, he was an allergy and immunology fellow at the Cleveland Clinic and then a primary immunodeficiency fellow at Cincinnati Children’s Hospital. During fellowship, he completed a Master’s Degree in Biostatistics at Case Western Reserve University. He brings expertise in the care of children with immunodeficiency, particularly for diseases managed by bone marrow transplant.
Locations
- Rocky River Medical Outpatient Center
- 19800 Detroit Road, Rocky River, OH 44116
- Get Directions
- Cleveland Clinic Children's Outpatient Center
- 8950 Euclid Avenue, Cleveland, OH 44106
- Get Directions
Education & Board Certifications
Education
- Fellowship: Cincinnati Children's Hospital, 2022
- Graduate School: Case Western Reserve University, 2021
- Fellowship: Cleveland Clinic, 2021
- Residency: National Capital Consortium, 2013
- Medical Education: University of Toledo College of Medicine, 2010
- Undergraduate: Baldwin Wallace College, 2006
Board Certifications
- Allergy and Immunology: American Board of Allergy and Immunology, 2022
- Allergy & Immunology: American Board of Allergy & Immunology, 2022
- Pediatrics: American Board of Pediatrics, 2013
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 2026-03-20, Dr. McDonnell 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.