Dr. Ryan is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Connect with other colleagues in the same hospital or clinic
- Search all U.S. specialist profiles and refer a patient
- Read the latest clinical news and earn CME/CEU credits
Office
1310 W 22nd St
Sarasota, FL 57105Phone+1 605-759-1740Fax+1 605-328-8101- Is this information wrong?
Education & Training
- Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Abdominal Transplant Surgery, 1986 - 1988
- Memorial Sloan Kettering Cancer CenterResidency, Complex General Surgical Oncology, 1985 - 1986
- Allegheny Health Network Medical Education Consortium (AGH)Residency, Surgery, 1980 - 1985
- Royal College of Surgeons IrelandClass of 1977
- University College DublinBA MA, Economics, 1968 - 1972
Certifications & Licensure
- CO State Medical License 2010 - 2025
- MT State Medical License 2016 - 2018
- ID State Medical License 2012 - 2017
- SD State Medical License 1991 - 2016
Awards, Honors, & Recognition
- Royal College of Surgeons ,Ireland and Edinburgh Fellow, 1985
Publications & Presentations
PubMed
- 6 citationsDevelopment and Validation of a Machine Learning Model to Identify Patients Before Surgery at High Risk for Postoperative Adverse Events.Aman Mahajan, Stephen Esper, Thien Htay Oo, Jeffery McKibben, Michael Garver, Jamie Artman, Cynthia Klahre, John Ryan, Senthilkumar Sadhasivam, Jennifer Holder-Murray,...> ;JAMA Network Open. 2023 Jul 3
- TGF-β1 Suppresses IL-33-Induced Mast Cell Function.Ndaw, V. S.,Abebayehu, D.,Spence, A. J.,Paez, P. A.,Kolawole, E. M.,Taruselli, M. T.,Caslin, H. L.,Chumanevich, A. P.,Paranjape, A.,Baker, B.,Barnstein, B. O.,Haque, T...> ;J. Immunol.. 2017 Jun 24
- Lactic Acid Suppresses IL-33-Mediated Mast Cell Inflammatory Responses via Hypoxia-Inducible Factor-1α-Dependent miR-155 Suppression.Abebayehu, D.,Spence, A. J.,Qayum, A. A.,Taruselli, M. T.,McLeod, J. J.,Caslin, H. L.,Chumanevich, A. P.,Kolawole, E. M.,Paranjape, A.,Baker, B.,Ndaw, V. S.,Barnstein,...> ;J. Immunol.. 2016 Aug 26
- Join now to see all
Professional Memberships
- Member
- Member
- American Society of Transplant SurgeonsMember
Other Languages
- French
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: