Comprehensive, Compasionate, Effective Rheumatology Care.
Our Care Team
Darrell N. Fiske, MD
Dr. Fiske is board certified in rheumatology and internal medicine and is a fellow in the American College of Physicians and the American College of Rheumatology. He is a member of the American Society of Bone and Mineral Research. He is an active clinical trialist with over 200 phase I through phase IV clinical trials in many different therapeutic areas. He earned his medical degree and postdoctoral training at the University of Florida and also carries a Master of Divinity degree from Emory University and a Bachelor of Science in Chemical Engineering from the University of South Florida. He has published research in peer-reviewed journals. He has a special interest in osteoporosis and metabolic bone diseases. He enjoys sports, distance running, hiking, gardening and reading. He has completed 8 marathons including the Boston Marathon.
John M. Houri, MD
Dr. Houri is board certified in rheumatology and internal medicine and is a fellow in the American College of Rheumatology. He is a former Assistant Professor of Medicine at the University of Pittsburgh Medical Center and Chief of Rheumatology at the Pittsburgh VA Medical Center. He earned his medical degree at Creighton University School of Medicine where he also completed the program in pharmacy earning a BS Pharmacy. He has published his research in peer-reviewed medical journals including research on lupus. Dr. Houri has also participated in over 200 clinical trials studying new medications and treatments. He is married with two children. He enjoys long distance running and has completed a number of marathons including the Boston Marathon, the New York Marathon and the Paris Marathon.
Alejandro Rivera-Rodríguez, MD
Dr. Rivera-Rodríguez is board certified in rheumatology and internal medicine and is a fellow in the American College of Rheumatology. He earned his medical degree with Cum Laude at the University of Puerto Rico and completed his internal medicine residency at Temple University Hospital and fellowship training at Hahnemann University Hospital, Philadelphia. Dr. Rivera’s main areas of interest include rheumatoid arthritis and psoriatic arthritis. Unlike his other colleagues, he is not fond of long distance running but prefers to play golf instead. He enjoys going to movies and theater as well as a good fantasy novel. Dr. Rivera is fluent in English and Spanish.
Devin M. Weidman, MSN, APRN-C
Devin Weidman is an Advanced Registered Nurse Practitioner and has been with Rheumatology Associates since 2002. She is board certified with a graduate degree and advanced training in diagnosing and treating rheumatologic diseases as well as preventive care and health maintenance. Devin earned her master's in nursing degree from the University of Florida in 2000 after working as a registered nurse in a hospital setting for nine years. She is a proud member of the Rheumatology Nursing Society and Association of Rheumatology Health Professionals. Devin prides herself on patient care and is trained in physical and arthritis exams. She is highly proficient in trigger point and joint injections. Even more importantly, she is a great listener and will take as much time as needed to understand your concerns and develop an effective plan based on your healthcare goals and needs. Devin is available for return appointments, urgent appointments, and is often able to accommodate emergency same-day appointments.
Devin and her husband were raised here in Martin County and are the proud parents of three exceptional children. Devin is an avid reader, a boating enthusiast, and an amateur runner. She completed her first marathon in March 2021 and continues training for more races.