Dr. Louis J. Mariorenzi, M.D. is a board-certified orthopedic surgeon who is fellowship-trained in the treatment of adult arthritis and joint replacement surgery. He obtained his medical degree at Brown University in Providence, RI. After general surgery training at St. Luke’s–Roosevelt Medical Center in New York, NY, he completed an orthopedic residency at Tufts–New England Medical Center in Boston, MA.
Dr. Louis J. Mariorenzi, M.D. is a board-certified orthopedic surgeon who is fellowship-trained in the treatment of adult arthritis and joint replacement surgery. He obtained his medical degree at Brown University in Providence, RI. After general surgery training at St. Luke’s–Roosevelt Medical Center in New York, NY, he completed an orthopedic residency at Tufts–New England Medical Center in Boston, MA.
The reviews listed below were collected independently of University Orthopedics through rater8. Each review represents an authentic and verified patient experience.
Louis is the best, and the same for the girls in the office.
Aug-2025
Exceptional surgeon.
I had excellent results.
Aug-2025
I have complete confidence with Dr. Mariorenzi.
Aug-2025
2 hips done and feel excellent. Couldn't ask for a better Doc
Aug-2025
Excellent
Aug-2025
Great doctor easy to talk to.
Aug-2025
Couldn’t help me but Wonderful md. Very attentive and knowledgeable. Referred me to another office
Aug-2025
Excellent result 1 year after my hip replacement. Great.surgeon, great doctor!
Aug-2025
I thank Dr. Mariorenzi for giving me my life back.
I suffered for three years with a hip pain until I finally got cardiac clearance, and the Dr did a beautiful job. I feel really good and able to do more things.
Three months in and life is good!!
Thank you Dr. Mariorenzi.
Aug-2025
Outstanding professionalism and patient communication skills!
Aug-2025
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University Orthopedics - Cranston, RI
725 Reservoir Ave, Suite 101 Cranston, RI 02910
Dr. Louis J. Mariorenzi, M.D. is a board-certified orthopedic surgeon who is fellowship-trained in the treatment of adult arthritis and joint replacement surgery. He obtained his medical degree at Brown University in Providence, RI. After general surgery training at St. Luke’s–Roosevelt Medical Center in New York, NY, he completed an orthopedic residency at Tufts–New England Medical Center in Boston, MA. Following orthopedic residency he sought fellowship training in adult hip and knee arthritis and joint replacement surgery at The Royal London Hospital Medical College in London, UK.
In 1987, Dr. Louis J. Mariorenzi returned home to RI to practice with his father A. Louis Mariorenzi MD and later his brother Michael P. Mariorenzi, MD. Dr. Mariorenzi has held numerous leadership positions on many boards and committees at St. Joseph Hospital-Our Lady of Fatima Hospital and Roger Williams Medical Center. He has been voted “Top Doc” in orthopedic surgery by his peers in Rhode Island Monthly magazine nearly every year since the initial publication in 1994. Away from the medicine, he enjoys hiking, sailing, skiing and mountaineering. He has successively climbed all “Seven Summits” including Mt. Everest.
Louis is the best, and the same for the girls in the office.
Exceptional surgeon. I had excellent results.
I have complete confidence with Dr. Mariorenzi.
2 hips done and feel excellent. Couldn't ask for a better Doc
Excellent
Great doctor easy to talk to.
Couldn’t help me but Wonderful md. Very attentive and knowledgeable. Referred me to another office
Excellent result 1 year after my hip replacement. Great.surgeon, great doctor!
I thank Dr. Mariorenzi for giving me my life back. I suffered for three years with a hip pain until I finally got cardiac clearance, and the Dr did a beautiful job. I feel really good and able to do more things. Three months in and life is good!! Thank you Dr. Mariorenzi.
Outstanding professionalism and patient communication skills!