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.
Top Surgeon in Rhode Island. Very down to earth and knowledgeable.
Jul-2025
Thorough and gets right to the point.
Jun-2025
He listened to me
Jun-2025
Very personable.
Jun-2025
No long wait times. Dr was very informative and attentive. Took the time to listen to my problem. Very happy 😁
Jun-2025
Great doctor. His office girls make it so friendly and welcoming.
Jun-2025
Dr Mariorenzi is thorough and great results with surgery
Jun-2025
He's the best orthopedic doctor ever he fixed my hip he explains everything he knows what he's talking about I love Dr mariorenzi
May-2025
Dr.Louis has done multiple surgeries for me.
Hip and total knee replacements.
Great results.
Thank you Doc
May-2025
Excellent. Very efficient and knowledgeable. Very impressed.
May-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.
Top Surgeon in Rhode Island. Very down to earth and knowledgeable.
Thorough and gets right to the point.
He listened to me
Very personable.
No long wait times. Dr was very informative and attentive. Took the time to listen to my problem. Very happy 😁
Great doctor. His office girls make it so friendly and welcoming.
Dr Mariorenzi is thorough and great results with surgery
He's the best orthopedic doctor ever he fixed my hip he explains everything he knows what he's talking about I love Dr mariorenzi
Dr.Louis has done multiple surgeries for me. Hip and total knee replacements. Great results. Thank you Doc
Excellent. Very efficient and knowledgeable. Very impressed.