Dr. Garrett Matsunaga, M.D. received his medical degree from the University of Texas Health Science Center. Dr. Matsunaga completed his urologic surgical residency at the University of California, Irvine. He worked closely with internationally renowned urologists Dr. Ralph Clayman and Dr. Thomas Ahlering receiving specialized training in cutting-edge, minimally invasive laparoscopic, robotic, and endourologic techniques.
Dr. Garrett Matsunaga, M.D. received his medical degree from the University of Texas Health Science Center. Dr. Matsunaga completed his urologic surgical residency at the University of California, Irvine. He worked closely with internationally renowned urologists Dr. Ralph Clayman and Dr. Thomas Ahlering receiving specialized training in cutting-edge, minimally invasive laparoscopic, robotic, and endourologic techniques.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Dr. Matsunaga, best urologist!
(3 days ago)
Sep-2026
Dr. Matsunaga is by far the finest urologist in the South Bay and beyond. He’s super knowledgeable, engaging, present, and an active listener. Great “bedside “ manner that brings peace and calmness. His wisdom and expertise is both comforting and caring. Thank you Dr. Matsunaga.
(3 days ago)
Sep-2026
Saved me from cancer!!!
(3 days ago)
Sep-2026
Informative
Friendly
(1 week ago)
Sep-2026
Dr. Matsunaga is so dedicated to improving the health of his patients.
Thank you for bringing me back to a healthy condition
(1 week ago)
Sep-2026
Dr. Matsunaga is always friendly professional, and knowledgeable.
(1 week ago)
Sep-2026
Very skilled.
(2 weeks ago)
Sep-2026
Really appreciate the professionalism
(2 weeks ago)
Aug-2026
Feel extremely positive under his care
(1 month ago)
Aug-2026
Personable, easy to talk with and very knowledgeable.
(1 month ago)
Aug-2026
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GU-Torrance - Earl
20911 Earl St. Suite #140 Torrance, CA
Dr. Garrett Matsunaga, M.D. graduated with honors from Brown University and received his medical degree from the University of Texas Health Science Center at San Antonio, where he was elected into Alpha Omega Alpha Honor Society.
Dr. Matsunaga completed his urologic surgical residency at the University of California, Irvine. He worked closely with internationally renowned urologists Dr. Ralph Clayman and Dr. Thomas Ahlering receiving specialized training in cutting-edge, minimally invasive laparoscopic, robotic, and endourologic techniques. He earned several awards including the Society of Laparoendoscopic Surgeons Outstanding Laparoendoscopic Resident Surgeon Award and Long Beach Veteran's Outstanding Customer Service and Outstanding Resident Awards. He has authored several book chapters on laparoscopy and robotic surgery as well as published in several peer-reviewed medical journals.
Dr. Matsunaga is Chief of Urology at Torrance Memorial Medical Center and also a member of the Medical Executive Committee. He is board-certified and, in his role as an Associate Clinical Professor at UCLA, he is involved in training UCLA residents at Harbor UCLA Medical Center.
Dr. Matsunaga was born on Kauai and raised in Honolulu, Hawaii. He is an alumnus of Iolani School, class of 1991. Before the birth of his three children he enjoyed golfing. His other interests include water sports and traveling.
Dr. Matsunaga, best urologist!
Dr. Matsunaga is by far the finest urologist in the South Bay and beyond. He’s super knowledgeable, engaging, present, and an active listener. Great “bedside “ manner that brings peace and calmness. His wisdom and expertise is both comforting and caring. Thank you Dr. Matsunaga.
Saved me from cancer!!!
Informative Friendly
Dr. Matsunaga is so dedicated to improving the health of his patients. Thank you for bringing me back to a healthy condition
Dr. Matsunaga is always friendly professional, and knowledgeable.
Very skilled.
Really appreciate the professionalism
Feel extremely positive under his care
Personable, easy to talk with and very knowledgeable.