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.
Dr Louis,is great.
Has kept me moving over the years,
With Hip & Knee replacements.
Top Notch.
The world of Orthopedics is going to lose an excellent Dr. when he starts his retirement.
(1 month ago)
Sep-2025
Exceptional physician
(1 month ago)
Sep-2025
Louis is the best, and the same for the girls in the office.
(2 months ago)
Aug-2025
Exceptional surgeon.
I had excellent results.
(2 months ago)
Aug-2025
I have complete confidence with Dr. Mariorenzi.
(2 months ago)
Aug-2025
2 hips done and feel excellent. Couldn't ask for a better Doc
(2 months ago)
Aug-2025
Read More
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.
Dr Louis,is great. Has kept me moving over the years, With Hip & Knee replacements. Top Notch.
Great knowledgeable Doctor
Excellent orthopedic surgeon. Caring, compassionate,friendly,the best.
Good patient skills
The world of Orthopedics is going to lose an excellent Dr. when he starts his retirement.
Exceptional physician
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