Dr. Justin Marasigan, D.O. earned his medical degree from Kirksville College of Osteopathic Medicine in Missouri. Dr. Marasigan went on to complete his Internal Medicine Residency in the Detroit area and his Gastroenterology specialty training in Erie, Pennsylvania. He applied a variety of experiences from rural offices to large academic centers throughout Western Pennsylvania and Eastern Ohio.
Dr. Justin Marasigan, D.O. earned his medical degree from Kirksville College of Osteopathic Medicine in Missouri. Dr. Marasigan went on to complete his Internal Medicine Residency in the Detroit area and his Gastroenterology specialty training in Erie, Pennsylvania. He applied a variety of experiences from rural offices to large academic centers throughout Western Pennsylvania and Eastern Ohio.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Excellent doctor and really nice.
(5 days ago)
May-2026
Excellent doctor excellent attention he splain very well I recommend 5 star
(2 weeks ago)
May-2026
Can we say thorough.
(2 weeks ago)
May-2026
Very friendly...
I look forward to coming back..
(3 weeks ago)
Apr-2026
Very easy to talk to.
(1 month ago)
Apr-2026
Wow AMO la attention que le pone a mi padre y madres como sus pacientes..
(1 month ago)
Apr-2026
It was my mom’s first visit and Dr. Marasigan was very thorough and made appropriate recommendations. He didn’t push my elderly mother when she hesitated to follow through on the recommendations.
(1 month ago)
Mar-2026
He is a wonderful doctor who communicates clearly and consistently with his patients and is extremely effective in helping them feel better.
(1 month ago)
Mar-2026
professional great communicator thank you very much
(1 month ago)
Mar-2026
Spoke kinda fast.
(2 months ago)
Mar-2026
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GI-Camarillo
4005 Mission Oaks Blvd. Unit A Camarillo, CA 93012
GI-Oxnard
2241 Wankel Way Suite A Oxnard, CA
Dr. Justin Marasigan, D.O. was raised in the Los Angeles area. He earned his undergraduate degree from the University of Southern California and his medical degree from Kirksville College of Osteopathic Medicine in Missouri. Dr. Marasigan went on to complete his Internal Medicine Residency in the Detroit area and his Gastroenterology specialty training in Erie, Pennsylvania. He applied a variety of experiences from rural offices to large academic centers throughout Western Pennsylvania and Eastern Ohio. Prior to joining the team in Ventura County, Dr. Marasigan practiced Gastroenterology for 7 years in Washington State.
When he is not at work, Dr. Marasigan enjoys spending time with his wife, twin son and daughter, and dog Sadie
Excellent doctor and really nice.
Excellent doctor excellent attention he splain very well I recommend 5 star
Can we say thorough.
Very friendly... I look forward to coming back..
Very easy to talk to.
Wow AMO la attention que le pone a mi padre y madres como sus pacientes..
It was my mom’s first visit and Dr. Marasigan was very thorough and made appropriate recommendations. He didn’t push my elderly mother when she hesitated to follow through on the recommendations.
He is a wonderful doctor who communicates clearly and consistently with his patients and is extremely effective in helping them feel better.
professional great communicator thank you very much
Spoke kinda fast.